Sampling method |
pump suction & diffusion dual-use type |
Gas type |
O2 |
Measure range |
0-100%Vol |
Resolution |
0.01%Vol |
Response time |
≤30 seconds |
Precsiion |
≤±2%F.S except for special gases |
Language |
Chinese/English |
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 |
Disaply |
monochrome graphics (160 x96) ,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 data, the storage interval is adjustable from 5 to 3600 seconds, data can be exported, with 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 |
IECEX/ATEX(II IG Ex ia IIC T4 CNEX:Ex ia IIC T4 Ga |
Certification (EU regulations) |
2004/108/EC(EMC) |
Protection grade |
IP67 |
Working temperature |
-20℃~+50℃ |
Humidity |
0~90%RH(no condensation) |
Environmental pressure |
86~106Kpa |
Size |
157*84.5*59.5mm (including back clip/water trap filter) (length * width * height) |
Weight |
365g (including battery, belt clip and filter) |
The instrument can effectively resist a three-meter drop
The protection level of the instrument reaches IP67
The instrument has passed the EMC anti-static interference test and can work normally in the walkie-talkie environment
Explosion-proof circuit design, safe and reliable
The instrument has got IECEX, ATEX, Chinese explosion-proof certificates and the explosion-proof level reaches Exia IICT4 Ga
Multiple security protection
The man down alarm function has upgraded the safety of underground operators.
Password protection function prevents non-operators from modifying menu parameters.
With safety reminder function, sound and light vibration alarm function, let operators work without worries
The high and low alarm latched function allows the operator to better capture the sudden change of the gas concentration value.