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Interface Gold Standard Calibration System. Developed in 1989, Interface, Inc. began to market the Gold Standard System in 1991. It is now used in more.

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Presentation on theme: "Interface Gold Standard Calibration System. Developed in 1989, Interface, Inc. began to market the Gold Standard System in 1991. It is now used in more."— Presentation transcript:

1 Interface Gold Standard Calibration System

2 Developed in 1989, Interface, Inc. began to market the Gold Standard System in It is now used in more than 250 labs throughout the world. Developed in 1989, Interface, Inc. began to market the Gold Standard System in It is now used in more than 250 labs throughout the world. INTERFACE

3 Gold Standard TM Load Cell Calibration System One Channel Indicator for Load Cell Exitation/ Signal Conditioning One ICS-202 Force Calibration Software One SIS-103 One-Day Training at Interface One CT SCB1 to GS Load Cell Cable One CT SCB1 to Standard Load Cell Cable One CX-0440 mV/V Transfer Standard One SIS-104 System Setup INTERFACE

4 Interface Gold Standard TM Calibration Systems Controlled calibration process reduces calibration times by 50% to 90% and produces consistent calibration results Easy-to-use software reduces operator training time Fully integrated reporting functions Automatic archiving of calibration results Supports ASTM E74, ASTM E4 and ISO 7500/1, EH10002 Industry Accepted terms and calculations 0.1µV display resolution Used in over 250 calibration labs world-wide INTERFACE

5 Gold Standard TM Calibration System Options GS-USB: Provides USB interface for HRBSC, SCB1, DA-101 and HL4IO instrument boards includes internal power supply, cooling fan and USB cable. SCB1: 20 bit instrument board provides signal conditioning for the Gold Standard TM System. Available in single or dual channel versions. HRBSC: High-resolution 22 bit instrument board increases accuracy over the SCB1. HRBSC: High-resolution 22 bit instrument board increases accuracy over the SCB1. DA-101: Digital to analog board for generating command signal for system control. Provides setpoint signal for servo controlled hydraulic force testing. HL4IO: High level 4-channel input board allows calibration of ±5 and ±10 VDC output transducers and includes all features of the DA-101. Load Cell Simulator: mV/V transfer standards are used to calibrate the Gold Standard TM system, and for setting up and testing load cell readout devices. CX specifically designed for instrument substitution testing as per ASTM E74. Desktop, laptop or portable PC: Contact factory for currently available configurations. Gold Standard TM or Platinum Standard TM load cells as required. INTERFACE

6 1600 Gold Standard TM Calibration Load Cell Tension and compression in one unit.005% nonrepeatability.01% creep High output - to 4mV/V High precision base installed 3 run NIST traceable calibration Factory installed calibration adapter Eccentric load compensated.0008%/°F temp. effect on output 4% lower load limit per ASTM E74 INTERFACE

7 1600 Gold Standard TM Calibration Compression Only Load Cell.005% nonrepeatability.01% creep High output - to 4mV/V High precision base installed 3 run NIST traceable calibration Eccentric load compensated.0008%/°F temp. effect on output 4% lower load limit INTERFACE

8 Model 1800 Platinum Series Low Profile Load Cells.005% non-repeatability.01% Creep Designed to be used at 2% lower load limit.008% /°F temp effect on output Eccentric load compensated INTERFACE

9 Model 9840 Intelligent Indicator 24 bit internal resolution +/-999,999 Count Bipolar Display Nonlinearity < 0.005% Stores calibration for up to 25 load cells Fast, direct analog output VDC scalable analog output Full duplex RS232C Peak/Valley hold Front panel and remote tare INTERFACE

10 Precision mV/V Load Cell Simulator Most accurate load cell simulator. Special low thermal emf construction. emf construction. Each unit individually calibrated, aged and recalibrated. aged and recalibrated. Strong, rugged design. Instrument substitution testing. MDL CX-0404 is specifically designed for instrument substitution testing as per ASTM E74. INTERFACE

11 11 Why use a simulator or mV/V Standard ? Calibrate Indicator or Signal Conditioner periodically Daily sanity check on measurements Establish true zero Check cables

12 12 Model CX Standard 6 digit calibration 10 ppm uncertainty

13 13 Shunt Calibration Technique of unbalancing bridge with external shunt resistor Less Expensive OK for medium-accuracy work Affected by preload, temperature, bridge resistance drift, cable length

14 14 Transducer Calibration Procedures

15 15 Machine Calibration Procedures

16 16 Measurement Uncertainty Model, Calibrating Load Cell by Comparison

17 Uncertainty Components CNS = Cal of Standard Transducer by NIST DS = Drift in Standard since last cal DS = Drift in Standard since last cal PS = Creep in Standard Transducer PS = Creep in Standard Transducer TS = Temperature effect on output of Standard TS = Temperature effect on output of Standard RHF= Nonreproducibility of frame, load string CH = Calibration of HRBSC Instrument CH = Calibration of HRBSC Instrument DH = Drift in HRBSC since last cal DH = Drift in HRBSC since last cal TH = Temperature effect on HRBSC Instrument TH = Temperature effect on HRBSC Instrument LH = Nonlinearity of HRBSC Instrument LH = Nonlinearity of HRBSC Instrument NH = Noise of HRBSC Instrument NH = Noise of HRBSC Instrument 17

18 C H Uncertainty in calibration of HRBSC (rectangular distribution) (rectangular distribution) Source of Uncertainty Type Uncertainty (%RDG) Source of Uncertainty Type Uncertainty (%RDG) C CX = Calibration of CX-0610 B D CX = Drift in transfer function of CX-0610 between calibrations B CX-0610 between calibrations B T CX = Temperature effect on CX-0610 B CX-0610 B N CX = Noise of the HRBSC instrument during calibration instrument during calibration with the CX-0610 B with the CX-0610 B Combined (Root Sum of Squares)

19 19 Uncertainty Budget Example

20 20 Dominant Uncertainty Components Nonreproducibility of load frame, threads, adaptors, alignment Calibration of Standard at low end of range Drift in Standard since last cal

21 INTERFACE Load Cell Calibration System Software - Opening Screen

22 INTERFACE DUT Description

23 INTERFACE Setpoint Entry

24 INTERFACE Setpoint File Selection

25 INTERFACE Exercise Load Cells

26 INTERFACE Begin Calibration

27 INTERFACECalibration

28 Completed Calibration

29 INTERFACE Error Plot

30 INTERFACE Curve Fit

31 INTERFACE Load Cell History

32 INTERFACE

33 Report Designer

34 INTERFACE Custom Report

35 Gold Standard TM E4 Machine Calibration System Intelligent Indicator One ICS-205 E4 Machine Calibration Software One CT Gold Standardtm Interconnect Cable Assemby Serial Cable, Laptop to 9840 One CX mV/V Transfer Standard One SIS-104 System Setup Training at Interface INTERFACE

36 Features of the Portable E4 Machine Calibration Software: Features of the Portable E4 Machine Calibration Software: Capable of providing the user with printed copies of: Capable of providing the user with printed copies of: E4-02 Test Machine Verification Report. ISO 7500/1 Test Machine Verification Report. INTERFACE

37 Portable E4 System Software – Opening Screen

38 INTERFACE Setpoint Entry

39 INTERFACE Setpoint File Selection

40 INTERFACE Meter Configuration

41 INTERFACE Machine Details

42 INTERFACE Load Point Entry

43 INTERFACE Load Point Entry

44 INTERFACE Begin Verification

45 INTERFACE Data Collection

46 INTERFACE Completed Verification

47 INTERFACE E4 Report

48 INTERFACE Verification History

49 INTERFACE ISO Report

50 INTERFACE ISO

51 INTERFACE Report Designer

52 INTERFACE Custom E4 Report

53 INTERFACE Custom ISO Report


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