2-, 3-, 4-wire RTD Amplifier for the DI-4718B Series Data Logger.
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DI-8B34 & DI8B35 RTD (2- 3- 4-wire) Amplifiers for the DI-4718B Data Logger from DATAQ Instruments.
| 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 |
DAQLOG Systems Ltd
Brixham Laboratory
Freshwater Quarry, Brixham, TQ5 8BA
Tel: 01803 611 854
