SCXI-1321 National Instruments Terminal Block | Apex Waves | Image SCXI-1321 National Instruments Terminal Block | Apex Waves | ImageSCXI-1321
SCXI-1321 National Instruments Terminal Block | Apex Waves | Image
SCXI-1321 National Instruments Terminal Block | Apex Waves | Image
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SCXI-1321

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Modular Systems > National Instruments > SCXI

Part Number SCXI-1321
Manufacturer/Brand National Instruments
Description: SCXI-1321, 18 Screw Terminals, Offset-Null and Shunt Calibration Terminal Block
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National Instruments SCXI-1321 Offset-Null and Shunt Calibration Terminal Block

The NI SCXI 1321 (Part Number: 777687-21) is ideal for applications with strain gauges, RTDs, or thermistors. This model is well-suited for temperature or voltage applications with a high quantity of channels. This High-Voltage Terminal Block is shielded to allow swift, reliable signal connections. The SCXI-1321 brings nulling and shunt calibration to SCXI-1121 strain gauge applications but can only be used with the SCXI-1121 module revision C or later. There are 18 screw terminals on the NI SCXI-1321.

There is also a front-panel trimming potentiometer, which enables the user to manually null out the offset voltage or bridge transducers. Every channel has shunt calibration circuits that can be controlled as a group via software. The user can also trigger a switch on the SCXI 1321 Terminal Block to link a 301 k Ohm shunt resistor in parallel with the strain gauge. The nulling and shunt resistor on the Terminal Block are socketed, so they can be customized by the user with ease.

Offset nulling is a hardware nulling process with Wheatstone-bridge transducers that have an initial offset error. Fixing this error will increase measurement preciseness. The nulling circuitry on the SCXI-1321 will work with quarter-bridge, half-bridge, and full-bridge strain-gauge arrangements. Every channel has separate nulling circuitry, as well as a designated trimming potentiometer. For example, Channel 0 corresponds to Potentiometer R1. Channel 1 corresponds to Potentiometer R2. Next, Channel 2 corresponds to Potentiometer R14. Finally, Channel 3 corresponds to Potentiometer R15.

SCXI-1321 Obsolete Status has been announced by National Instruments, but the Terminal Block will still be available for purchase and repairs by Apex Waves.

ModelSCXI-1321
Part Number777687-21
ManufacturerNational Instruments
TypeOffset-Null and Shunt Calibration Terminal Block
For Use With:SCXI-1121
Sensor Output±10 mV/˚C
Maximum Field Wire Gauge26-16 AWG
Acuracy1.3 °C
WarrantyOne Year Warranty
SCXI-1321 ManualUser Manual and Maintenance Manual Available for Download
PriceContact a sales representative for a quote.

National Instruments SCXI-1321 Frequently Asked Questions

 

Question: What module can the NI SCXI-1321 be used with?

 

Answer: The NI SCXI-1321 terminal block can only be used with the SCXI-1121 revision C or later modules.

 

Question: Does the SCXI 1321 have a socketed shunt resistor?

 

Answer: Yes, the SCXI 1321 has a socketed shunt resistor for strain-gauge shunt calibration.

 

Question: Does the National Instruments SCXI-1321 work with the Wheatstone bridge transducers?

 

Answer: The National Instruments SCXI-1321 was designed to work with the Wheatstone bridge transducers.

 

Question: Can the SCXI-1321 accommodate thermocouples?

 

Answer: The SCXI-1321 can easily accommodate thermocouples, RTDs, thermistors, millivolt sources, and current-loop receivers.

SCXI-1321 Driver Downloads

  SCXI-1321 Driver Packages


SCXI-1321 Technical Specifications:

Manufacturer:National Instruments
Model:SCXI-1321
Part Number:777687-21
Series:SCXI Series
Type:Offset-Null and Shunt Calibration Terminal Block
Repair Evaluation:$150

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2 Year Warranty - Refurbished Parts
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Calibration: Ask About Our Tiered Calibration Levels
Option & Modules: Confirm Your Requirements or Versions
Repair: Cost & Lead Time Available Upon Request for Service
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Common Typos: SCDI-1321, SCXU-1321, SCXJ-1321, SCXK-1321, SCXL-1321

SCXI-1321


SCXI-1321

SCXI-1321, 18 Screw Terminals, Offset-Null and Shunt Calibration Terminal Block

In Stock | Ships 3-5 Days
Lowest Price Guarantee
2-3 Year Warranty Included
Free Ground Shipping
  Get Pricing













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National Instruments SCXI-1321 Offset-Null and Shunt Calibration Terminal Block

The NI SCXI 1321 (Part Number: 777687-21) is ideal for applications with strain gauges, RTDs, or thermistors. This model is well-suited for temperature or voltage applications with a high quantity of channels. This High-Voltage Terminal Block is shielded to allow swift, reliable signal connections. The SCXI-1321 brings nulling and shunt calibration to SCXI-1121 strain gauge applications but can only be used with the SCXI-1121 module revision C or later. There are 18 screw terminals on the NI SCXI-1321.

There is also a front-panel trimming potentiometer, which enables the user to manually null out the offset voltage or bridge transducers. Every channel has shunt calibration circuits that can be controlled as a group via software. The user can also trigger a switch on the SCXI 1321 Terminal Block to link a 301 k Ohm shunt resistor in parallel with the strain gauge. The nulling and shunt resistor on the Terminal Block are socketed, so they can be customized by the user with ease.

Offset nulling is a hardware nulling process with Wheatstone-bridge transducers that have an initial offset error. Fixing this error will increase measurement preciseness. The nulling circuitry on the SCXI-1321 will work with quarter-bridge, half-bridge, and full-bridge strain-gauge arrangements. Every channel has separate nulling circuitry, as well as a designated trimming potentiometer. For example, Channel 0 corresponds to Potentiometer R1. Channel 1 corresponds to Potentiometer R2. Next, Channel 2 corresponds to Potentiometer R14. Finally, Channel 3 corresponds to Potentiometer R15.

SCXI-1321 Obsolete Status has been announced by National Instruments, but the Terminal Block will still be available for purchase and repairs by Apex Waves.

ModelSCXI-1321
Part Number777687-21
ManufacturerNational Instruments
TypeOffset-Null and Shunt Calibration Terminal Block
For Use With:SCXI-1121
Sensor Output±10 mV/˚C
Maximum Field Wire Gauge26-16 AWG
Acuracy1.3 °C
WarrantyOne Year Warranty
SCXI-1321 ManualUser Manual and Maintenance Manual Available for Download
PriceContact a sales representative for a quote.

National Instruments SCXI-1321 Frequently Asked Questions

 

Question: What module can the NI SCXI-1321 be used with?

 

Answer: The NI SCXI-1321 terminal block can only be used with the SCXI-1121 revision C or later modules.

 

Question: Does the SCXI 1321 have a socketed shunt resistor?

 

Answer: Yes, the SCXI 1321 has a socketed shunt resistor for strain-gauge shunt calibration.

 

Question: Does the National Instruments SCXI-1321 work with the Wheatstone bridge transducers?

 

Answer: The National Instruments SCXI-1321 was designed to work with the Wheatstone bridge transducers.

 

Question: Can the SCXI-1321 accommodate thermocouples?

 

Answer: The SCXI-1321 can easily accommodate thermocouples, RTDs, thermistors, millivolt sources, and current-loop receivers.

SCXI-1321 PDF Manuals & Diagrams

NI-Visa 17.5 package

SCXI-1321 Technical Specifications:


Manufacturer:National Instruments
Model:SCXI-1321
Part Number:777687-21
Series:SCXI Series
Type:Offset-Null and Shunt Calibration Terminal Block
Repair Evaluation:$150

Why Buy From Apex Waves


Delivery: UPS, FedEX and DHL – Free Fedex Ground on all orders
Overnight, Next Day Air or Expedited shipping options available
International delivery available
Same day shipping for in-stock on location
Warranty: All of our products are covered by our Apex Waves Warranty.
3 Year Warranty - New Surplus Parts
2 Year Warranty - Refurbished Parts
Returns: No hassle return policy.
Dedicated customer service team.
Payment: Authorize.Net paypal visa card master card american express card BB&T Bank better business bureau
Quick Quotes: Receive Price & Availability Today!
Calibration: Ask About Our Tiered Calibration Levels
Option & Modules: Confirm Your Requirements or Versions
Repair: Cost & Lead Time Available Upon Request for Service
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