Omega Engineering CN9400 Weather Radio User Manual


 
Specification
Thermocouple
9 types
Standards: IPTS/68/DIN 43710
CJC rejection: 20:1 (0.05°/°C) typical
External resistance: 100maximum
Resistance thermometer
RTD-2/Pt100 2 wire
Standards: DIN 43760
(1000°C/138.5 100°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
32