| Model |
FM-621E
|
| Measuring Gas |
Combustible gas in the air (calibrated as Methane) |
| Measuring Principle |
Catalytic Combustion |
| Sampling Method |
Suction type
Approx. 0.6L/min (at room temperature with gas sampling tube with sampling probe(2.4m)) |
| Measuring Range |
0-100%LEL |
| Resolution |
1%LEL |
| Detectable accuracy |
±10%LEL |
| Aralm accuracy |
±10%LEL |
| Alarm Concentration |
20%LEL |
| Alarm Method |
LCD display, LED Lamp and Buzzer |
| Response Time |
Within 25 seconds at 90% response from sampling gas inlet at 20°C |
| Operating Temperature Range |
-10-40°C; below 95%RH (non-condensing) |
| Pressure range |
80-110kPa |
| Power Source |
3 × "AA" size Alkaline batteries |
| Continuous Operation time |
Alkaline batteries : approx. 8 hrs (no alarm) |
| Explosionproof |
ExiadII CT4X |
| Main Body Dimensions |
78 (W) X 200 (H) X 50 (D)mm |
| Main Body Weight |
Approx. 550g (including batteries) |
| Standard Accessories |
Gas sampling tube with sampling probe(2.4m), leather case, carrying case |