NEWPORT iDRA Controller User Manual

Page 58

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54

RTD Input (ITS 68)
100/500/1000 Ω Pt sensor,
2-, 3- or 4-wire;
0.00385 or 0.00392 curve

Voltage Input
0 to 100 mV, 0 to 1 V, 0 to 10 Vdc

Input Impedance
10 MΩ for 100 mV
1 MΩ for 1 or 10 Vdc

Current Input
0 to 20 mA (5 ohm load)

Configuration
Single-ended

Polarity
Unipolar

Step Response
0.7 sec for 99.9%

Decimal Selection
None, 0.1 for temperature
None, 0.1, 0.01 or 0.001 for process

Setpoint Adjustment
-1999 to +9999 counts

Span Adjustment
0.001 to 9999 counts

Offset Adjustment
-1999 to +9999

PART 4
SPECIFICATIONS

Accuracy
±0.5°C temp; 0.03% reading process

Resolution
1°/0.1°; 10 µV process

Temperature Stability
1) RTD: 0.04°C/°C
2) TC @ 25°C (77°F): 0.05°C/°C

Cold Junction Compensation

3) Process: 50 ppm/°C

NMRR 60 dB

CMRR 120 dB

A/D Conversion
Dual slope

Reading Rate
3 samples per second

Digital Filter
Programmable

Remote Programmer Display
(optional)
4-digit, 9-segment LED, 21mm (0.83")
red, green and amber programmable
colors for process variable, set point
and temperature units

Warm up to Rated Accuracy
30 min.

INPUT
Input Types
Thermocouple, RTD, Analog Voltage,
Analog Current

Thermocouple Type (ITS90)
J, K, T, E, R, S, B, C, N, L

Thermocouple Lead Resistance
100 ohm max

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