301-EM-US3-K | Kele | Gas & Specialty Sensors

Supply Voltage: 22-27 VAC @ 48 VA, 50/60 Hz or 22-38 VDC @ 2 A max.

Accuracy: ±40 ppm @ 500 ppm

Signal Output: 4-20mA, 1000? @ 24 VDC each sensor

Communication: RS-485, Modbus

Measurement Range

CO: 0-250 ppm

NO2: 0-10 ppm

Refrigerants: 0-1000 ppm

Sensing Technology

CO: Electrochemical

Refrigerants: Dual Infrared Sensor

Distance To Transmitters: Up to 500 feet (160 m), 200 ft (60.9m) maximum

Calibration Interval: 6 months

Visual Indication:

Green - Normal

Red - Alarms A, B, & C

Yellow - Fault/Service Alarm

Amber - Tx (network mode)

Display: Backlit LCD

Response Time: 60 seconds

Relay Output:

4 DPDT relays (20 ppm diff)

(4) 5A, 30 VDC or 250 VAC (resistive)

Alarm Auditory Levels Db: 65 dBA @ 3 ft (1m) internal

Gases Detected: CO, NO2, O2, SO2 refrigerant gases, (see ordering guide)

Operating Temperature

301RKF, EM-K: 32° to 100°F (0 to 40°C)

S30102: -40° to 104°F (-40 to 40°C)

Operating Humidity: 0% to 95% RH (noncondensing)

Enclosure Rating: NEMA 1

Dimensions

301EMRP-K (controller): 7.99"H x 11.02"W x 2.76"D (20.3 x 28 x 7 cm)

5301-IRF-***-K (sensor): 4.02"H x 11.02"W x 2.48"D (10.2 x 28 x 6.3 cm)

5301D (sensor): 3"H x 2" Diameter (7.6 x 5.1 cm)

Weight:

301EM-K: 3.1 lb (1.4 Kg)

301-IRF: 2.3 lb (1.0 Kg)

S301D: 2.0 lb (0.9 Kg)

Approvals: CSA C 22.2, UL 61010-1

Warranty: 1 year