Sensor, Methane (CH4) 0-100% LEL, sensor unit

$395.00

Description

GD-70D NCU Sensor

NCU Gas DetectedDetection RangeAlarm 1Alarm 2IncrementsPart #
H2 (Hydrogen)0 - 100% LEL10% LEL50% LEL1% LEL
GD-70D-LEL-H2
H2 (Hydrogen)0 - 2.00% volume (NCU Type)1.00% vol1.00% vol0.01% volGD-70D-H2-20K
C4H10 (Isobutane)0 - 100% LEL 25% LEL25% LEL1% LELGD-70D-LEL-ISOB
CH4 (Methane)0 - 100% LEL25% LEL25% LEL1% LELGD-70D-LEL-CH4
CH4 (Methane)0 - 2% volume (NCU Type)1.00% vol1.00% vol0.01% volumeGD-70D-CH4-20K
ESUESU + PLU *1SSU + PLU *1NCUSGU
Detection principleElectrochemical typePyrolysis-particle typeNew ceramic (Catalytic combustion)Semiconductor
Gas to be detectedRefer to list of
detectable gases
NF3/COS0-15ppm TEOS in air and othersCombustible gasCombustible gas
Toxic gas
Detection rangeSee Detection Gas chart
Detection methodPump suction typePump suction type/pyrolysis typePump suction type
Alarm setpoint valueSee Detection Gas chart
Alarm accuracyWithin ±30% to the alarm setpoint value±25% to the alarm setpoint valueCombustible: ±25% to the alarm setpoint value
Toxic: ±30% to the alarm setpoint value
Alarm delay time60 seconds or less by providing the gas 1.6 times the alarm setpoint (excluding delay in the tube and in the communication)30 seconds or less by providing the gas 1.6 times the alarm setpoint (excluding delay in the tube and in the communication)Combustible: 30 seconds or less by providing the gas 1.6 times the alarm setpoint (excluding delay in the tube and in the communication)
Toxic: 60 seconds or less by providing the gas 1.6 times the alarm setpoint (excluding delay in the tube and in the communication)
Alarm typeTwo-step alarm (H-HH)
Power consumption Approx. 1.5 W (Max. 4 W)Approx. 3W (Max. 5.5W)Approx. 2.5W (Max. 5W)
Power
consumption (EA)
24 V: Approx. 3W (Max. approx. 5W)24 V: Approx. 4.5W (Max. approx. 6.5W)24 V: Approx. 4W (Max. approx. 6W)
PoE: Approx. 4.5W (Max. approx. 7W)PoE: Approx. 5.5W (Max. approx. 8.5W)PoE: Approx. 5.5W (Max. approx. 7W)
Power
consumption (DV)
Approx. 2 W (Max. 4.5 W)Approx. 3.5W (Max. 6W)Approx. 3W (Max. 5.5W)
Operating temperature (at a constant condition)0 - 40ºC0 - 40ºC0 - 40ºC0 - 40ºC0 - 40ºC
Operating humidities (Non-condensing)30 - 70%RH30 - 80%RH95%RH or less
Self diagnosis functionSensor trouble, system failure
Date logging functionEvent history, alarm history, calibration history, Alarm trend (60 sec. before/after 1st alarm)

Additional information

Weight 1 lbs