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DI-8B34 & DI-8B35 RTD (2- 3- 4-wire) Amplifiers Series

2-, 3-, 4-wire RTD Amplifier for the DI-4718B Series Data Logger.

SKU DI-8B34 & DI-8B35 Series Category Tag
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Description

DI-8B34 & DI8B35 RTD (2- 3- 4-wire) Amplifiers for the DI-4718B Data Logger from DATAQ Instruments.

Product Features

  • Interfaces to 100Ω Platinum RTDs
  • Linearizes RTD Signal
  • High Level Voltage Outputs
  • 1500Vrms Transformer Isolation
  • ANSI/IEEE C37.90.1 Transient Protection
  • Input Protected to 240VAC Continuous
  • 120dB CMR
  • 70dB NMR at 60Hz
  • Low Drift with Ambient Temperature
  • Mix and Match Module Types
Input Range: -200˚C to +850˚C (100Ω Pt)
Input Resistance: Normal: 50MΩ
Power Off: 200kΩ
Overload: 200kΩ
Input Protection: Continuous: 240VAC
(240VAC between + and - -/+EXC/-EXC terminals.
120VAC between - and +EXC/- EXC terminals and between +EXC and -EXC terminals.)
Transient: ANSI/IEEE C37.90.1
Sensor Excitation Current: 0.25mA
Lead Resistance Effect: DI-8B34: ±0.02˚C/Ω
DI-8B35: ±0.005˚C/Ω²
(Ω refers to the resistance in one lead)
CMV, Input to Output: 1500Vrms max
Transient, Input to Output: ANSI/IEEE C37.90.1
CMR (50Hz or 60Hz): 120dB
NMR: 70dB at 60Hz
Accuracy: Please see "Ordering Information" section on the Specifications Download.
Stability: Output Offset: ±20ppm/ºC
Gain: ±50ppm/ºC
Noise: Output, 100kHz: 200µVrms
Bandwidth, -3dB: 3Hz
Response Time, 90% Span: 150ms
Output Range: 0 to +5V
Output Protection: Transient: Continuous Short to Ground
ANSI/IEEE C37.90.1
Power Supply Voltage: +5VDC ±5%
Power Supply Current: 25mA
Power Supply Sensitivity: ±25ppm/%
Mechanical Dimensions: 28.1mm × 41.9mm × 10.2mm
Operating Temperature: -40ºC to +85ºC
Storage Temperature: -40ºC to +85ºC
Relative Humidity: 0 to 95% Noncondensing
RTD Standards: Type: 100Ω Pt
Alpha Coefficient: 0.00385
DI-8B34 Specifications DI-8B34 Specifications

DI-8B35 Specifications DI-8B35 Specifications