INPUTS

Input Types

 

Thermocouple

Types J, K, T, R, S, E, B, N, G, D, C, Ni/Ni-Moly, and Platinel II.

RTD

Platinum 100, 2 or 3 wire

 

.00385 coefficient DIN 43760/IEC 751

 

.00392 coefficient USA

 

.00392 coefficient SAMA

 

Nickel 100, 2 or 3 wire

Voltage DC

0 to 25mV, 0 to 100 mVDC, 0 to 1 VDC, 0 to 10 VDC

Current DC

0 to 20mA, 4 to 20mA

 

Internal 50 ohm shunt resistor

Contact Closure

Open/closed switch sensing without external voltages or resistors

Impedance

25mV, 100mV, 1 Volt: > 10 meg ohms

 

10 Volt: > 50 K ohms

 

mA: 50 ohms

RTD Excitation Current

1 mA

INPUT PERFORMANCE

Measurement Error

± .025% of measurement span reference accuracy

Cold Junction Compensation Error

± 0.2°C @ 25 degrees C

Cold Junction Compensation Rejection

0.04°/degree C deviation from 25 degrees C

Linearization Error

TCs: ± 0 .25°C typical, ± 0.5°C worst case with exceptions

 

RTDs: ± 0.1°C typical, ± 0.3°C worst case

Ambient Temperature Error

± 0 .01% of span per degree C deviation from 25 degrees C

Factory Calibration Error

Refer to the Accuracy Table

Isolation

500 VDC/350 VAC

Common Mode Rejection

120 dB min.

Normal Mode Rejection

100 dB min. @ 60 Hz or greater

Scan Rate

The input scan rate is programmable and dependant on the number of active

 

inputs present. The total scans per second for the instrument is 16 scans/

 

second, and the instrument can have up to 8 inputs configured.

Edition 3

1-6

Section 1

Rev G

Page 14
Image 14
Anderson Manufacturing AV-9000 manual Inputs, Rtd