Sensor, Methane (CH4) 0-100% LEL, sensor unit
$395.00
Description
GD-70D NCU Sensor
| NCU Gas Detected | Detection Range | Alarm 1 | Alarm 2 | Increments | Part # |
|---|---|---|---|---|---|
| H2 (Hydrogen) | 0 - 100% LEL | 10% LEL | 50% LEL | 1% LEL | GD-70D-LEL-H2 |
| H2 (Hydrogen) | 0 - 2.00% volume (NCU Type) | 1.00% vol | 1.00% vol | 0.01% vol | GD-70D-H2-20K |
| C4H10 (Isobutane) | 0 - 100% LEL | 25% LEL | 25% LEL | 1% LEL | GD-70D-LEL-ISOB |
| CH4 (Methane) | 0 - 100% LEL | 25% LEL | 25% LEL | 1% LEL | GD-70D-LEL-CH4 |
| CH4 (Methane) | 0 - 2% volume (NCU Type) | 1.00% vol | 1.00% vol | 0.01% volume | GD-70D-CH4-20K |
| ESU | ESU + PLU *1 | SSU + PLU *1 | NCU | SGU | |
|---|---|---|---|---|---|
| Detection principle | Electrochemical type | Pyrolysis-particle type | New ceramic (Catalytic combustion) | Semiconductor | |
| Gas to be detected | Refer to list of detectable gases | NF3/COS | 0-15ppm TEOS in air and others | Combustible gas | Combustible gas |
| Toxic gas | |||||
| Detection range | See Detection Gas chart | ||||
| Detection method | Pump suction type | Pump suction type/pyrolysis type | Pump suction type | ||
| Alarm setpoint value | See Detection Gas chart | ||||
| Alarm accuracy | Within ±30% to the alarm setpoint value | ±25% to the alarm setpoint value | Combustible: ±25% to the alarm setpoint value | ||
| Toxic: ±30% to the alarm setpoint value | |||||
| Alarm delay time | 60 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 type | Two-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 - 40ºC | 0 - 40ºC | 0 - 40ºC | 0 - 40ºC | 0 - 40ºC |
| Operating humidities (Non-condensing) | 30 - 70%RH | 30 - 80%RH | 95%RH or less | ||
| Self diagnosis function | Sensor trouble, system failure | ||||
| Date logging function | Event history, alarm history, calibration history, Alarm trend (60 sec. before/after 1st alarm) | ||||
Additional information
| Weight | 1 lbs |
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