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Keysight U2802A 31-Channel Thermocouple Input Signal Conditioner

Keysight U2802A 31-Channel Thermocouple Input Signal Conditioner

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Keysight U2802A 31-Channel Thermocouple Input Signal Conditioner

31-Channel Thermocouple Input Signal Conditioner.

Key Specs

  • Input Channels: 31 differential + 1 CJC
  • Max Sampling Rate: 500 kSa/s (overall module)
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Product Core & Specifications

Specification Value
General Characteristics
Number of channels 31 differential and 1 CJC
Input voltage range for voltage mode ± 10 V (signal + common mode)
Input voltage (thermocouple mode) ± 100 mV
Sampling rate for thermocouple mode 10 kSa/s total for all channels
Sampling rate for overall module 500 kSa/s
Thermocouple types J, K, R, S, T, N, E, and B
Input Specifications
Accuracy (thermocouple mode) — Overall gain error 0.06% (23 °C ± 5 °C)
Accuracy (thermocouple mode) — Overall offset error 15 μV (without zeroing) (23 °C ± 5 °C); 6 μV (with zeroing)
Accuracy (thermocouple mode) — Nonlinearity < 0.005% of full scale range
System noise (rms) — Gain (× 1) 100 μVrms
System noise (rms) — Gain (× 100) 5 μVrms
CMRR — Voltage mode > 60 dB
CMRR — Thermocouple mode > 80 dB
Cold junction accuracy ± 1.0 °C typical (23 °C ± 5 °C); ± 1.5 °C typical (0 °C to 18 °C, 28 °C to 55 °C)
Input Characteristics
Bandwidth (voltage mode) > 500 kHz
Bandwidth (thermocouple mode) 4.0 Hz
Overvoltage protection — TC mode Common mode: ± 17 V (TC+ and TC– w.r.t. GND); Differential mode: ± 7 V
Overvoltage protection — Bypass mode ± 20 V (TC+ input w.r.t. GND)
Overvoltage protection — Power-off mode ± 11 V (TC+, TC– input w.r.t. GND)
Input impedance 1 GΩ
Input bias current ± 2.5 nA max
Input offset current ± 1.5 nA max
Gain drift 60 ppm/°C max
Offset drift 1 μV/°C max
Filter cutoff frequency (–3 dB) (thermocouple mode) 4.0 Hz
Filter type (thermocouple mode) Low Pass RC Filter
Recommended warm up time 30 minutes
General & Environmental
Power consumption +12 VDC, 480 mA maximum
Operating temperature 0 °C to +55 °C
Relative humidity 50% to 85% RH (non-condensing)
Altitude Up to 2000 meters
Storage compliance –40 °C to 70 °C
Shock and vibration Tested to IEC/EN 60068-2
I/O connector 2 × 68-pin female SCSI connector; 2 × 34-pin screw terminal block; 1 × 24-pin screw terminal block
Dimension (W × D × H) 158.70 mm × 254.20 mm × 40.50 mm
Weight 1.036 kg

About this New unit

This is a brand-new, factory-sealed unit, supplied exactly as it arrives from the manufacturer and backed by the full manufacturer warranty. For the exact configuration, available options, included accessories, or current lead time for your application, our Test Architects can confirm the details before you order.

ValueTronics supplies both new and used test and measurement equipment. New units ship factory-sealed, exactly as received from the manufacturer; every used unit is inspected and functionally verified in-house at our 20,000 sq ft secure facility in Elgin, Illinois before it ships. Our Test Architects can help you select the condition, calibration, and configuration that fit your application.

Please review the Manufacturer's Data Sheet to verify published specifications. Feedback on this webpage is always welcome — please reach out to your Test Architect at any time for questions or concerns. Thank you, we truly appreciate you being our customer.

Model No

Keysight

Condition

Factory New

Manufacturer

Keysight Technologies