The New Model 7899 Combustible Gas Leak Detector is a rugged, highly–sensitive, accurate and easy–to–use leak tester with an LED scale and beeper to effectively pinpoint small leaks of gaseous hydrocarbon fuels from any piping and/or appliances. Inaccessible points can be reached with the flexible, 11″ long probe.
- Visual LED screen & Audible Alarms
- Rugged, accurate, and highly sensitive
- Auto Zero–Drift Adjustment
- Quick Response Time
- 11″ Flexible probe to reach inaccessible or “impossible” places
- Uses semiconductor sensors with improved sensitivity and extended long life
Batteries: | 9V, 6×1,6V AAA |
External power supply: | 120/240V 12V 100mA (optional) |
Battery life: | 4 hours minimum |
Measurement range: | 0.0 – 10,000 ppm CH4 |
0.0 – 1% VOL CH4 | |
0.0 – 20% LEL CH4 | |
0.0 – 1,800ppm LPG (isoC4H10) | |
Resolution: | 1 ppm |
Accuracy: | ± 20% f.s. @ 20°C ± 1°C |
Measurement units: | ppm, %vol, %L.E.L. |
Sensor type: | Semiconductor |
Pre-heating time: | Max. 45 seconds fixed |
Auto-shut-off time: | OFF, 1 – 30 minutes |
Display: | LCD TN |
Operating temperature: | 32° to 104°F (0° to 40°C) |
Storage temperature: | 14° to 122°F (-10° to +50°C) |
Humidity limits: | 20% – 80% RH non condensating |
Enclosure: | ABS HB self-extinguishing |
Dimensions: | 2.8″ x 6″ x 1.5″ (W x H x D) |
Weight: | 0.7 lbs. (0.3 kg) |
Flexible Probe Length: | 11″ (270 mm) |
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