- Approved by explosion prevention test
-
Approved by Nippon Kaiji Kyokai(NK) type testing
-
Approved by HK test
SPECIFICATIONS| Model
|
OMA-3A
|
|
Sampling
|
by Diffusion
|
|
Measuring Range
|
0 - 25%
|
|
Resolution
|
1%
|
|
Accuracy
|
±0.7%O2
|
|
Display Method
|
Analog
|
|
Alarm Setting
|
18%以下
|
|
Alarm Method
|
Buzzer
|
|
Explosion proof
|
i2G4(Roken No.24340)
|
|
Response Time
|
90% of the response within 10 seconds
|
|
Power Source
|
2 size D manganese batteries
|
|
Continuous Operation
|
Up to 150 hours
|
|
Power Alarm
|
Checked by switching
|
|
Operating Temperature Range
|
-10 - 40℃
|
|
Dimensions
|
162(W)×173(H)×104(D) mm
|
|
Weight
|
1.3kg
|
|
Standard Accessories
|
Sensor cord(5m), leather case
|
|
|
