Specification – Omega Engineering CN9400 User Manual

Page 36

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Specification

Thermocouple

9 types

Standards:

IPTS/68/DIN 43710

CJC rejection:

20:1 (0.05°/°C) typical

External resistance:

100

Ω

maximum

Resistance thermometer

RTD-2/Pt100 2 wire

Standards:

DIN 43760

(100

Ω

0°C/138.5

Ω

100°C Pt)

Bulb current:

0.2mA maximum

Linear process inputs

mV range:

0 to 50mV

Applicable to all inputs SM = sensor maximum

Calibration accuracy:

±0.25%SM ±1°C

Sampling frequency:

input 10Hz, CJC 2 sec.

Common mode rejection:

Negligible effect up to 140dB,

240V, 50-60Hz

Series mode rejection:

60dB, 50-60Hz

Temperature coefficient:

150ppm/°C SM

Reference conditions:

22°C ±2°C, rated voltage after 15

minutes settling time.

Output devices

SSd/SSd1/SSd2:

solid state relay driver: To switch a

remote SSR 5Vdc +0/-15% 15mA

non-isolated

Miniature power relay:

form A/SPST contacts (AgCdO)

rLY and rLY1:

2A/250ac resistive load

rLY2:

1A/250ac resistive load

General

Displays:

Upper, 4 Digits, high brightness

green LED. 10mm (0.4”) high.

Lower, 4 Digits, Orange LED. 9mm

(0.35”) high

Digital range -199 to 9999

Hi-res mode -199.9 to 999.9

LED output indicators - flashing

SP1 square, green; SP2 round, red

Keypad:

3 elastomeric buttons

Environmental

Humidity:

Max 80%

Altitude:

up to 2000M

Installation:

Categories ll and lll

Pollution:

Degree ll

Protection:

NEMA 4X, lP66

EMC emission:

EN50081-1 FCC Rules 15 subpart J

Class A

EMC immunity:

EN50082-2

Ambient:

0-50ºC (32-130°F)

Mouldings:

flame retardant polycarbonate

Weight:

130g (4.2 oz)

SPECIFICATION

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