| GOM-3A/GOM-3AL Specifications |
| Target gas |
Oxygen |
Combustible gas |
Combustible gas |
| GOM-3A |
 |
 |
N/A |
| GOM-3AL |
 |
N/A |
 |
| Measurement range |
0-25% |
0-100%LEL |
0-1000 ppm |
| Measurement principle |
Galvanic cell method |
Catalytic combustible combustion-type method |
| Sampling method |
Diaphragm pump |
| Display |
Analog metre (backlit) |
| Indicating Accuracy |
+/- 0.5%O2 |
5% of full scale |
| Alarm threshold |
18% |
20%LEL |
200 ppm |
| Alarm signal |
Short, intermittent sound and blinking alarm light |
Long intermittent sound and blinking alarm light |
| Power source |
Three size C manganese dry cell batteries for 4 hours of operation
(without alarm signal being emitted)
Three size C alkaline dry cell batteries for 8 hours of operation
(without alarm signal being emitted) |
| Dimensions |
150(W) x 70(D) x 110(H) (mm) |
| Weight |
1.2kg |
| Explosion proof |
Certified by Japan Ministry of Health, Labour and Welfare
(Class id3aG3 Certification No.T62340) |