How to calibrate a rice lake 720i scale. View Cart. How to calibrate a rice lake 720i scale

 
 View CartHow to calibrate a rice lake 720i scale  Truck in/out, 1,000-ID memory

count times the number of counts: 0. Rice Lake and our third-party partners collect data and use cookies in order to. D400 Adult and Child Scale Calibration Instructions Download: Email: Health Scales: No:. View and Download Rice Lake Versa-portion RLP-S operation manual online. Whether used for truck scale operations, data collection, batching or networking, this versatile indicator/controller is an intelligent solution. 00. Scale Calibration Services Service Request Parts Department. 00. ; Page 2 All information contained within this publication is, to the best of our knowledge, complete and accurate at the time of publication. 1 Installing DeviceNet Option in the 720i, 820i or 920i. Rice lake 720i Pdf User Manuals. Rice Lake 50 g Screw Knob Calibration Weight, ASTM Class 1. 179147. Scales Rice Lake 120 Installation Manual. Automate entire systems by commanding. Rice Lake and our third-party partners collect data and use cookies in order to personalize advertising and analyze traffic. 041. Touch the red lead to the positive signal line and the black lead to the negative signal line. A thorough check-up every six months at the very minimum is the general rule. Rice Lake Weighing Systems Rice Lake 720i, 820i, 920i Indicator Option : Ethernet TCP/IP Interface Card, Embedded Device Server 10/100 base-T MSRP: $420. Rice Lake VS-10 Digital Scale; Rice Lake VS-11 Dual Range Digital Scale; Rice Lake VS-13; Rice Lake VS-12 Dual Range; Rice Lake VS-36 Metal Platform; Rice Lake VS-34 Single Ramp with Handrail Scale; Rice Lake VS-30 Single Ramp Scale; Rice Lake VS-35 Dual-ramp with Handrail Scale; Rice Lake VS-31 Dual Ramp; Rice Lake VS-32 Single Ramp; Rice Lake. 11 A/B 10/100 XPico for CW90,720i,iQube2 List Price: $570. 720i Rice Lake - Free download as PDF File (. Products. EtherNet/IP Interface for internal installation in 720i and 920i digital weight indicators. Calibration Weights and Metrology Services. Page 24 Then the display will return to the weighing mode with the calibrated weight showing in the Weight window. Calibration Weights and Metrology Services. Rice Lake’s new configurable counting indicator does away with equipment learning curve. This can take up to several minutes and should be done before you start the calibration process. 920i and 720i have batch and free-running setpoints. $84. Display Viewable area: 4. 14. Use the. 00 The 720i also has the functionality for local and remote operation when two units are connected together. Download product pdf Request more information. • Rice Lake, WI 54868 • USA U. The Rice Lake 720i Programmable Indicator/Controller is an affordable path to gaining the function and ability of our more advanced intelligent indicators. 1280 Wall Single AC-Eur Enclosure Wall Mount AC Power Supply Europe Wall Mount Power Cord Display Type High Visibility Slot 1 Single A/D Slot 2 Open Slot 3 Open Slot 4 Open Slot 5 Open Slot 6 Open. Rice Lake Weighing Systems Rice Lake 720i Indicator, Universal Enclosure, Batch Software, NTEP. Full stack test equipment and instrument calibration services. So, in this example, the accuracy of the scale should be ±1. 00. Audit trail tracking for configuration and calibration changes. 2. We also offer precision scale calibration services, scale installation, and scale repair. Wlan (10 pages) Controller Rice Lake 820i Installation Instructions Manual. Our livestock scales are perfectly suited for the toughest jobs around. Dual-Range Weighing. Digital Weight Indicator. . Rice Lake products are sold through an authorized distributor network. The 720i indicator/controller proves its ability to control more processes, more equipment and more information than other basic models. Add to Cart. $84. 102887, The Rice Lake 720i Programmable Indicator/Controller is an affordable path to gaining the function and ability of our more advanced intelligent indicators. 02 lb. Rice Lake and our third-party partners collect data and use cookies in order to personalize advertising and analyze traffic. LCD display size: panel mount (3. 00. Combine the most durable weighbridge design with full U. 3″ x 1. After each weigh-in is complete, and before the next animal is led onto the weighing platform, verify your scale has returned to zero. Try the. 01 720i Batching Version 1. Full Scale Output: 3. Specifications. Health Scales: Calibration Weights ASTM and NIST Classification: Request: Download: Email:. For heavy washdown environments and HACCP requirements, choose Rice Lake's CW-90X checkweigher. Simplified. 800-472-6703. 25 in to 1. Rice Lake 720i Programmable Indicator/Controller Features. Accessories/Replacement Parts Product Reviews Rice Lake 720i, 820i, 920i Indicator Option : Ethernet TCP/IP Interface Card, Embedded Device Server 10/100 base-T The. The Profibus-DP master sends commands to the indicator through the Profibus-DP Interface by writing thePage 1 882IS and 882IS Plus Intrinsically Safe Indicator/Controller Version 1 Technical Manual April 2, 2021 PN 183532 Rev G. Categories: Manuals1. Rice Lake Weighing Systems Rice Lake 720i Indicator, Universal Enclosure, Batch Software, NTEP. Open navigation menu. See Section1. Press the ZERO key. Scale Calibration Services Service Request Parts Department. 77297. , Ltd company provides calibration, weight adjustment services and distributes scale, calibration weight, measurement tools with a completion certificate. Rice Lake's family of weight indicators and scale controllers has it all, from simple weigh monitors to complex. 2″) universal (5. 230 W. 1. Display,LCD Module 820i White LED Back Light, STN Blue, Transmissive, 320 x 240 Pixels, 155 mm x 120 mm, 12:00 View, RoHS Compliant. Follow the steps below to set up and calibrate the NOVA-II scale. The Rice Lake 720i, 820i, 920i Indicator USB Port for PC Connection (includes 1 meter Type A to mini-B cable) is for adding additional communication capabilities to the indicator. Process control engine – define conditions and actions. 5 Kg. To locate a dealer in your area, please call us at 1-800-472-6703 or fill out a. Quick view. Accessories Rice Lake 720i Installation. Output Resistance: 349 to 355 ohm. 00 $1,428. Manufacturer: Rice Lake Weighing Systems Part Number:Rice Lake Weighing Systems reserves the right to make changes to the technology, features, specifications and design of the equipment without notice. Material/Finish: Stainless steel, coated. Rice Lake's family of weight indicators and scale controllers has it all, from simple weigh monitors to complex. Weight Calibration of Rice Lake Digital Controller on ECC equipment Rice Lake Tools Quick Setup Guide Rice Lake Tools enables the user to configure compatible indicators through a PC interface. 00. Rice Lake 720i Programmable Indicator/Controller Features. Automate entire systems by commanding batch formulation, inventory management and traceability. 820i™. 179149. Visit our ScaleTools Frequently Asked Questions for help with making these apps available on your mobile device anytime. But the zero command 0x00A or the Clear Tare command 0x00E, will not tare or zero out the scale. List Price: $152. Ajuste (Calibración) balanza Rice Lake 920i Weight Scale Calibration Parte #1#ajuste #balanzas #calibracion #ricelakeMSI mV Scale Calibration (Truck Scale Calibration) Utility: 1: 58. Whether you need to see it up close or at a distance, Rice Lake's displays and scoreboards can light up your information for dependable and easy viewing. View Cart. The Importance of Medical Scale Calibration; The Many Facets of Rice Lake; The MSI-7300 Dyna-Link 2 Digital Tension Dynamometer Is a Trusted Tool;. Replacement Part: Rice Lake 720i, 820i, 920i Power Supply Board, +/- 6V 25W . The purpose of this quick setup guide is to walk a user through the basic steps to: •Ensure that the compatible Rice Lake indicator is configured correctly to communicate with the Rice Lake Tools application The 720i indicator/controller proves its ability to control more processes, more equipment and more information than other basic models. 2. 2 MB: 06/20/2023: Download: Email: Revolution for old config files. Ind Opt,Allen-Bradley Remote I/O Interface Kit (Internal) 720i, 820i and 920i. The Rice Lake CB-3 concrete batch control system is ideal for ready-mix and block plants. 44) 3. 4. 68539. See the . 08. 4. Choose Options. Rice Lake’s 880 Performance Series digital weight indicators and controllers accommodate a range of connectivity—from USB and RS-232/RS-485 to Ethernet TCP/IP. Rice Lake Weighing Systems Rice Lake 720i, 820i, 920i Indicator Option : Serial Port Dual Channel Full Duplex RS232 and 4 Wire RS485. . The Rice Lake 720i is NTEP approved and can be used in Legal for Trade applications. Calibration. 2 Overview The 482-AG is a single-channel digital weight indicator housed in a NEMA 4X/IP66-rated stainless steel enclosure. Revolution Scale Software (v3. 3. Truck Scale Maintenance. Calibrate . 920i, 820i, 720i, 520 ControlNet Configuration EDS File: 1. View Cart. In this video, we demonstrate how to calibrate a Rice Lake medical scale with certified calibration weights. Measuring Instruments Rice Lake 920i Configuration. ASTM electronic calibration metric individual weights are used when calibrating Class 1 and Class II balances, ASTM Class 4, 5 and 6 weights and tolerance checking or verification of balances. 00. Acquire Tare 1. Products Calibration Service Industries Manufacturers. scales serial feature pformt setpts dig i/o algout vers 230 W. Maximize the ability of your 720i™ using ProAction software. Users simply follow the keys left to right— zero, tare, and sample. The Rice Lake Digital Baby Scale (RL-DBS) provides precise weighing of babies for accurate, reliable and repeatable weighments. 3 2. The truck scale’s electronic components then convert the analog signal into the digital weight readout we are used to seeing. Page 1 1280 Enterprise Series ™ Color Touchscreen Indicator Technical Manual December 07, 2018 PN 167659 Rev H. Sign In Upload. MSI mV Scale Calibration (Truck Scale Calibration) Utility: 1: 58. MSRP: $195. 1% accuracy. The origins of the information on this site may be internal or external to Progress Software Corporation (“Progress”). Related forMicro Precision can perform instrument calibration services on equipment from variety of applications for specific industries and lines of business. Automate entire systems by commanding batch formulation, inventory management and traceability. CT Calibration Service Co. Learn how to use the Rice Lake 720i, a versatile and powerful indicator/controller for weighing and process control applications, with this detailed manual. 44) 3. Choose Rice Lake's CW-90X over/under washdown checkweigher for heavy washdown environments and HACCP requirements. With jack bolts and shims on the leveling feet, you can easily match your existing conveyor height. MSRP: $325. Close. Primarily used for Allen Bradley PLCs, but open architecture allows for use in other devices as. Excitation Voltage: 5 ± 0. About This Manual This manual provides information needed to install and use the Rice Lake Weighing Systems EtherNet/ IPTM1 Interface. Rice Lake Weighing Systems distributor site at 1. Rice Lake Weighing Systems Rice Lake iQube, CW90, CW90X, 720i, 820i Indicator Option : Ethernet. Rice Lake Weighing Systems Rice Lake Weighing Systems is a family-owned, ISO 9001 certified corporation and has been manufacturing and distributing weight-related products and… Rice Lake 720i Programmable Indicator/Controller The Rice Lake 720i Programmable Indicator/Controller is an affordable path to gaining the. The most current version of this publication, software, firmware and all other productThe Ethernet card option comes in two sizes. In this video, we demonstrate how to calibrate a Rice Lake medical scale with certified calibration weights. This manual is intended for use by service technicians responsible for installing and servicing 720i ™ digital weight indicators. Rice Lake iQube, CW90, CW90X, 720i, 820i Indicator Option : Wireless LAN Card WiFi 802. The Rice Lake 720i, 820i, 920i Indicator Allen-Bradley Remote I/O Interface Kit is for adding additional input/output capabilities to the indicator. 2. Rice Lake’s 920i high-powered programmable digital weight indicator and controller automates complex industrial processes with a simplified user interface. Rice Lake Weighing Systems offers a robust line of medical scales, along with the certified weights needed to check and calibrate them. Automate entire systems by commanding batch formulation, inventory management and traceability. Rice Lake Weighing Systems is an ISO 9001 registered company. 00. 8 in (20 mm), six-digit, seven-segment. MSRP: $420. Board Assy,Display Host 720i ROHS Compliant W/Rice Lake protocol for Larger Format display List Price: $315. Rice Lake Weighing Systems reserves the right to make changes to the technology,. and . Rice Lake Weighing Systems is an ISO 9001 registered company. Rice Lake 720i, 820i, 920i Indicator Option : Ethernet TCP/IP Interface Card, Embedded Device Server 10/100 base-T. 5″) Four soft keys. ; Page 2 All information contained within this publication is, to the best of our knowledge,. Rice Lake Weighing Systems Rice Lake 720i, 820i, 920i Indicator Option : EtherNet/IP Module Protocol for Allen-Bradley PLC. Calibrate softkey to calibrate the linearization point. Furthermore, to properly calibrate the scale in this example, the calibration technician should be using a mass standard with an accuracy tolerance of at least ±0. Board Assy,Display Host 720i ROHS Compliant W/Rice Lake protocol for Larger Format display List Price: $315. S. Operating Temperature: 50 °F to 86 °F (10 °C to 30 °C) 80% RH or lower. Rice Lake 920i Indicator Option: A/D Card, Single Channel. With an IP68 rating and stainless steel construction, the Versa-portion RLP-S is ideal for sanitary environments. pdf), Text File (. ProAction can bring up prompts, store and retrieve product and job information, compare and accumulate weight, read inputs, control outputs, start tasks depending on time of day, and more. Installation Manual. The 720i™ programmable weight indicator/controller is the first in a line of powerful and intelligent HMI devices from Rice Lake. Whether used for truck scale operations, data collection, batching or networking, this versatile indicator/controller is an intelligent solution. The Revolution package can be used to program and configure all Rice Lake models with the exception of the 920i. The Rice Lake 720i, 820i, 920i Indicator Analog Output 0-10V and 0-20mA module is for adding additional signal output capabilities to the indicator. Skip to content. The ELS Series elevated load cell stand is designed for ease of installation and flexibility. In episode 3 of "How to use a Multimeter," we discuss how to measure resistance. BenchPro Shipping Scales are designed to interface with FedEx Ship Manager Software, providing both power and USB HID interface with one USB cable. Animal Scales-Veterinary. see Figure 4-1) is used to calibrate CALIBR SCALES the 920i Weighcenter. Scales Rice Lake Ishida 3000 Series Configuration Manual (11 pages) Scales Rice Lake Retail Series Calibration Manual (28 pages) Scales Rice Lake 550-10 Technical & Operating Instructions. Scale. Belt Scale Integrator 23. Whether used for truck scale operations, data collection, batching or networking, this versatile indicator/controller is an intelligent solution. Specifications. The Rice Lake 720i is NTEP approved and can be used in Legal for Trade applications. MSRP: $195. com for current prices. View Cart. 8″ x 1. Profibus DP® Interface is a communication adapter for internal installation in 720i™, 820i® and 920i® digital weight indicators. ). 720i Programmable Indicator/Controller Literature. 920i, 820i, 720i, 520 ControlNet Configuration EDS File: 1. The 720i indicator/controller proves its ability to control more processes, more equipment and more information than other basic models. Revolution 720i Load Print: 3. It features 2 scale base inputs, software for six different Truck In/Out modes and batching software. ; Page 2 All information contained within this publication is, to the best of our knowledge, complete and accurate at the time of publication. Rice Lake Weighing Systems Rice Lake 720i, 820i, 920i Indicator Option : Analog Output 0-10V and 0-20mA Module. Compact and rugged design. The sleek, stainless steel housing of Rice Lake’s TS Series balance offers exceptional IP65-rated durability and precision food weighing. Calibration Weights and Metrology Services. Press. 30 kg x 0. View Cart Add to Cart 67613: Power. Rice Lake 920i Power Supply Board, +/- 6V 65W . Dyna-Link 2 Tension Dynamometer. While Counterpart was designed for. 2 front panel calibrationBalances & Scales Arrow pointing down. Navigate to our web version of these apps directly using the menu at the upper left. Indicator,882IS 7. Win98 or earlier. Then refill to high level. I am able to read the scale weight and display it on the appropriate HMI screens. Rice Lake RS-130/RS-160 Scale Calibration - August 2018: Download: Email: Retail Equipment: Rice Lake RS-130/RS-160 Select Unit Price Auto Clear - August 2018: Download: Email:I agree to share the above information with Rice Lake Weighing Systems and authorized Rice Lake Weighing Systems distributors. Add. Connect the load cell excitation leads to an indicator or other power supply. Add. Page 1 Programmable HMI Indicator/Controller Version 2. Ease of use, real-time data collection and rugged, stainless steel construction make the CW-90 digital weight indicator the equipment of choice for operators, quality control and maintenance departments. LCD display size : panel mount (3. User-defined softkeys, icons and graphics. In gross mode, remove all weight from the scale and wait for the standstill annunciator ( ). With a NEMA 4X/IP66 rated enclosure constructed of heavy gauge stainless steel this indicator is able to handle harsh environmental conditions. 30. Ind OPT,I/O 24 Channel 720i, 820i, 920i List Price: $300. Maintain the Condition of your Scale. The 720i™ programmable weight indicator/controller is the first in a line of powerful and intelligent HMI devices from Rice Lake. Add to Cart . A new solution is here to help elevate your parcel shipping processes: Weigh-n-Dimension Systems from Rice Lake Weighing Systems. S. Part # Description List Price Cart; 119356:0 calibration, 1 gravity compensation, 2 front panel calibration – Rice Lake 720i Programmable Indicator/Controller - Installation Manual User Manual Page 53: Calibration, 1 gravity compensation 4. to save the value and move to the calibration (CAL 1) prompt. . Replace it under the scale with another empty container and repeat the process. List Price. Calibration The 120 can be calibrated using the front panel, EDP commands, or the Revolution® configuration utility. In addition to the standard truck in / truck out capabilities, this unit. Features. The configuration menu of the CW-90X is accessible through. All Balances & Scales Accessories. 1 on page 7 for information about configuration methods. Rice Lake's 720i programmable weight indicator and controller is ideal for basic weighing and data collection, recipe formulation, inventory management and traceability. Measuring Instruments Rice Lake 720i Technical Manual. Loss-in weigh dispensing controls (34 pages) Measuring Instruments Rice Lake 920i Options Installation. Rice Lake Weighing Systems distributor site at 1. DeviceNet Interface for internal installation in 720i and 920i digital weight indicators. Signal Conditioning Transmitters are specifically designed to seamlessly integrate weight data into PLC systems. Temperature: Compensated range 14 °F to 104 °F (-10 °C to 40 °C) Operating range 0 °F to 150 °F (-18 °C to 65 °C) Seal Type: Environmentally sealed, IP67. 720i DDM Remote Firmware: 1. This manual can be viewed or downloaded from the Rice Lake Weighing Systems website atList Price. 800-472-6703 • Canada. Capture and store weight data, link more peripheral equipment and do it all with ease. 00. protection available. 00 $298. 01 of the 720i Batching indicator software. This manual applies to Version 2. 720i Programmable Indicator/Controller Manuals. The IQ plus 355 indicator can be configured by using 4. I've also set some of the serial port property values based on information from the documentation for your scale. Quick view. The ELS Series elevated load cell stand is designed for ease of installation and flexibility. 05 Technical Manual October 3, 2019 PN 119201 Rev N. IMPORTANT! All work performed on the NOVA-II, including setup and calibration, must be done by an. Win98 or earlier. Signal Conditioning Transmitters are specifically designed to seamlessly integrate weight data into PLC systems. On average, sellers who rely on an MAS scale can. Intrinsically Safe indicators provide reliable weight readings in potentially explosive and hazardous environments. 11 A/B. Make sure the scale is located away from air conditioning vents, as well as drafts from windows or doors. The process will be the same for a majority of t. Add to Cart. Mix and match platforms with console. Add to Cart. LCD display size: panel mount (3. Rice Lake Weighing Systems offers a variety of products including truck scales, instrumentation, calibration weights, floor scales, load cells, dimensioning equipment and more. ProAction can bring up prompts, store and retrieve product and job information, compare and accumulate weight, read. Rice Lake 720i Manual. 2 in 60 configurable operator prompts Display up to four scale channels per screen with required Legal for Trade information 32 scale accumulators Five softkeys with 10 user-defined, 14 preset functions per screen Ten programmable display screens Millivolt calibration, five. 5oz (20kg x 10g) with 120V AC Adapter and 4 AA Alkaline batteries and measuring tape. 00. . Rice Lake Digital Baby Scale RL-DBS-2 Operation Manual D: Download: Email: Health Scales: No:720i, 820i and 920i Software Revision Display Lockup: Download: Email: Weight Indicators|Indicators / Controllers|Indicator Software. Manufacturer: Rice Lake Weighing SystemsThe Rice Lake 720i manual is a document that provides detailed instructions and information on the operation, installation, calibration, and troubleshooting of the Rice Lake 720i digital weight indicator. Rice Lake 720i indicators are designed to control more processes, operate multipe pieces of equipment, and are optimized for automation. 00005 × 820=0. With the ability to weigh the animal on the ranch, Rice Lake’s MAS line ensures maximum profitability in any transaction. Rice Lake Weighing Systems Rice Lake 720i, 820i, 920i Indicator Option : Serial Port Dual Channel Full Duplex RS232 and 4 Wire RS485. 00. 00: 1. 5 Button Keypad W/AC Power Supply w/10ft (3m) PS cable 115-230VAC. Programmable hmi indicator/controller (123 pages). Process control engine – define conditions and actions. Products ⏷ Scales & Weighing Process Control & Tank Weighing Force Measurement Materials Testing Torque Measurement Dimension, Speed and Pressure. Rice Lake Weighing Systems Rice Lake 720i, 820i, 920i Indicator Option : Ethernet TCP/IP Interface Card, Embedded Device Server 10/100 base-T. 3″ x 1. Rice Lake Digital Baby Scale RL-DBS-2 Operation Manual D: Download: Email: Health Scales: No:Ishida's Uni-5 price computing retail scales maximize space with a sleek, easy-to-clean design and a large, full-color touchscreen with a customer-side display. 1. for sales and service 817. ) Capacity 2000 Kg Readability 0. 2″) universal (5. Rice Lake and our third-party partners collect data and use cookies in order to personalize advertising and analyze traffic. Weight and height can be easily read from either the front or back. View Cart Add to Cart 67602: Ind OPT,Analog Output 0. 5″) Four soft keys. Choose Options. Subtract the initial millivolt signal reading from the reading with weight. Apps available for download to your device are shown below. 2in) universal (5. Profibus DP® Interface 720i/920i. Press the TARE key to acquire the tare weight of the container. Rice Lake Weighing Systems offers a variety of products including truck scales, instrumentation, calibration weights, floor scales, load cells, dimensioning equipment and more. Whether used for truck scale operations, data collection, batching or networking, this versatile indicator/controller is an intelligent solution. The Rice Lake 720i is NTEP approved and can be used in Legal for Trade applications. 920i® Series Programmable Weight Indicator and Controller. View Cart. Rice Lake Weighing Systems Rice Lake 720i, 820i, 920i Indicator Option : Ethernet TCP/IP Interface Card, Embedded Device Server 10/100 base-T MSRP: $420. The Rice Lake 720i digital weighing indicator is great for truck scale applications. 5″) Four soft keys. Calibration Weights and Metrology Services. 1280 Enterprise™ Series Programmable Weight Indicator and Controller. Home. 00. View and Download Rice Lake CW-90 technical manual online. the following steps: • Zero calibration • Entering the test weight value • Span calibration • Optional rezero calibration for test weights using hooks or chains. The capacity of the scale helps determine what nominal. Rice Lake 720i Programmable Indicator/Controller Features. 00. Get everything done in minutes. August 2012. CW-90 scales pdf manual download. 480 Legend Series Weight Indicator 8 Visit our website 1. 482-AG Livestock Digital Weight Indicator 2 Visit our website 1. Add to Cart. Tactile keypad for scale operations, numeric entry and navigation. 5% of the scale’s capacity. 00 . configuration utility. SCALES SERIAL FEATURE PFORMT SETPTS DIG I/O ALGOUT VERS:. Scale Calibration Services Service Request Parts Department. We have 4 Rice Lake 720i manuals available for free PDF download: Technical Manual,. 0 301 B: 12/28/2021: Download: Email: Revolution for old config files. Need a complete custom weighing design from scale Company? We can do that too!Beginning January 1, 2020, Rice Lake Class F calibration weights will no longer be sold for legal metrology use. 00. Page 24 (except for LFT parameters) now only needs to go below this display division value and then above it again. We also demonstrate how to perform a continuity test to verify which pin and wire are connected to one another. Scales Accessories Measuring Instruments Controller Monitor. Truck scale operations, data collection, batching or networking—this multifaceted HMI can handle them all. This weight indicator breaks away from our pack of basic models with its ability to control more processes, more equipment, and more information than ever before. Rice Lake 50 g Screw Knob Calibration Weight, ASTM Class 1.