Model |
GD400-4GAS |
Sampling Method |
Pump suction & diffusion dual-use type |
Gas Type |
CO, H2S, O2, LEL |
Measuring Range |
CO: 0-500/1000/2000ppm, H2S: 0-100/200/500ppm, O2: 0-25%VOL/0-30%VOL, EX/LEL: 0-100%LEL (More measuring range can be customized) |
Resolution |
CO: 1ppm, H2S: 0.1ppm, O2: 0.1%VOL, EX/LEL: 1%LEL |
Response Time |
≤30 seconds |
Precision |
≤±2%F.S except for special gases |
Language |
Chinese/English (More languages can be customized) |
Automatically Test and Calibrate After Power-on |
Including reset, maximum value (MAX), minimum value (MIN), STEL, TWA value |
Unit |
PPM and mg/m3 can be switched and displayed by one key, and the concentration value is automatically converted by the system. |
Display |
Monochrome graphics (160 x 96), screen can be automatically flipped. |
Backlight |
The backlight time can be manually set and will be turned on automatically when an alarm is issued. |
Data Record |
Can store 100,000 sets of data, the storage interval is adjustable from 5 to 3600 seconds, data can be exported, with a data cable |
Alarm |
95dB buzzer (@30cm), vibration alarm and flashing red LED and alarm status indication on the screen, alarm latched; diagnostic alarm and battery undervoltage alarm, pump block alarm; man down alarm, with early warning and optional real-time remote Bluetooth notification function |
Battery |
3.7V rechargeable lithium battery, battery capacity 2200mA |
Working Hours |
More than 15 hours in continuous pumping mode |
Charger |
Travel charger with DC interface, charging time ≥ 4 hours |
Explosion-proof Grade |
Ⅱ 2G Ex ia Ⅱ CT4 Ga |
Certification (EU Regulations) |
CE, ATEX |
Protection Grade |
IP67 |
Working Temperature |
-20℃~+50℃ |
Humidity |
0~90%RH (no condensation) |
Environmental Pressure |
86~106Kpa |
Size |
157*84.5*59.5mm (including the back clip/water trap filter) (length*width*height) |
Weight |
365g (including battery, belt clip and filter) |
Extension Probe |
About 480mm (Total Length), About 300mm (Probe Head) |
Package Included |
1 piece gas detector, 1 piece 12V/1A DC power adapter, 1 piece USB cable, 1 piece user manual, 1 piece warranty card, 1 piece filter, 1 piece aluminum suitcase |