7B27

Rev. 0 | Page 4 of 8

7B27 Specifications

Description

Model 7B27

Input Ranges

Thermocouple Types

J, K, T, E, R, S, B

Standard Temperature Ranges

Refer to Model Table

Custom Ranges

Not Available*

+1 V to +5 V or 0 V to +10 V

Initial @ +25°C

±0.01% Span (±0.1% Span, maximum)

±0.02% Span, maximum

Input Offset vs. Temperature

±0.5µV/°C

Zero Suppression vs. Temperature

Span vs. Temperature

±35 ppm/°C

Output Offset vs. Temperature

±0.002% Span/°C

Cold Junction Compensation

±1.0°C, maximum

Input Bias Current

-25 nA

Input Resistance

Power ON

10 M

Ω

Power OFF

30 k

Ω, minimum

Output Noise

5 MHz Bandwidth

6 mV peak

10 Hz to 100 kHz Bandwidth

0.4 mV rms

0.1 Hz to 10 Hz Bandwidth

0.6 µV peak

Bandwidth, -3 dB

3 Hz

Output Rise Time, 10% to 90% Span

150 ms

Common-Mode Voltage (CMV)

Input-to-Output and Power

100 V rms continuous

Common Mode Rejection (CMR)

Input-to-Output and Power @ 50/60 Hz

160 dB

Normal Mode Rejection @ 50/60 Hz

60 dB

Input Protection

±30 V dc, continuous

Input Transient Protection

ANSI/IEEE C376.90.1-1989IEEE-STD 472IEC 255-4, Class II

Output Resistance

< 1

Ω

Voltage Output Protection

Continuous Short to Ground

Power Supply

Voltage Range, Operating

+14 V dc to +35 V dc