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NI TB-9214 Calibration Procedure

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© National Instruments

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3

Test Equipment

Table lists the equipment recommended for the performance verification procedure. If the 
recommended equipment is not available, select a substitute using the requirements listed in 
Table 1.

Table 1.  

Recommended Equipment

Equipment

Recommended 

Model

Requirements

Thermocouple Calibrator

Ectron 1140A

Use a high-precision 
thermocouple source with an 
accuracy of 

0.08 °C and an 

output impedance of 

10

Ω

.

NI 9214 Module

Use an NI 9214 module that is 
verified to be within product 
specifications.

Chassis

NI cDAQ-9178

Barrier Strip 
Assembly

Thermocouple 
Wire

TT-E-24-SLE-100

E-type SLE 24 AWG, 20 to 
30 meters

Thermocouple 
Connector

Omega 
SMPW-E-M 

E-type, must fit the output 
terminal of the thermocouple 
calibrator

Thermocouple 
Barrier Strips

Omega BS16A

16 channels

Thermocouple 
Barrier Strip 
Jackets (x16)

Omega BSJ-E

E-type, 16 channels

Thermocouple 
Spade Lugs 
(x64)

Omega SLCH-20

32 lugs of chromel to match the 
E-type wires

Omega SLCO-20

32 lugs of constantan to match the 
E-type wires

Spade-Lug 
Crimping Tool

Omega 
CRIMPING 
TOOL-P

Must effectively crimp the spade 
lugs with the 24 AWG wire.

Summary of Contents for NI TB-9214

Page 1: ...ts Software 1 Documentation 2 Test Equipment 3 Building the Barrier Strip Assembly 4 Test Conditions 5 Initial Setup 6 Verification 6 Terminal Block CJC Verification 6 Where to Go for Support 9 Softwa...

Page 2: ...ons and Specifications NI TB 9214 specific information specifications and calibration interval NI DAQmx Readme Operating system and application software support in NI DAQmx LabVIEW Help LabVIEW progra...

Page 3: ...Module Use an NI 9214 module that is verified to be within product specifications Chassis NI cDAQ 9178 BarrierStrip Assembly Thermocouple Wire TT E 24 SLE 100 E type SLE 24 AWG 20 to 30 meters Thermo...

Page 4: ...Crimp the chromel spade lugs to the chromel wire to create 16 positive spade lugs Crimp the constantan spade lugs to the constantan wire to create 16 negative spade lugs 2 Use the thermocouple wire sp...

Page 5: ...I TB 9214 meets published specifications Keep connections to the NI TB 9214 as short as possible Long cables and wires act as antennae picking up extra noise that can affect measurements Verify that a...

Page 6: ...er 6 Connect the power source to the NI cDAQ 9178 chassis 7 Launch Measurement Automation Explorer MAX 8 Right click the device name and select Self Test to ensure that the module is working properly...

Page 7: ...temp0 value a Create and configure an AI Temp Built In Sensor task for CJC channel _cjtemp0 on the NI 9214 according to Table 2 b Configure the AI Temp Built In Sensor task for CJC channel _cjtemp0 ac...

Page 8: ...fore acquiring data Wait at least 300 ms for the Ectron 1140A to settle before acquiring data with the NI 9214 Disregard the first six seconds of the acquisition to compensate for the open thermocoupl...

Page 9: ...at the NI TB 9214 is outside of the limits refer to Where to Go for Support for assistance in returning the device to NI Where to Go for Support The National Instruments Web site is your complete reso...

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