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TPI-721 Combustible Gas Leak Detector, Displays Real ppm, Stepped ppm, %LEL
The 721 offers 10ppm sensitivity to detect combustible gasses. Easily
operated with one hand, leaks are pinpointed using the audio and visual
indicators. An adjustable "tic" rate helps eliminate background gas
concentration in contaminated environments.
- Combustible Gas Leak Detector capable of displaying real ppm, stepped ppm, and %LEL (Lower Explosive Limit).
- 10ppm sensitivity (methane)
- Detect combustible gases including natural gas, propane, butane, etc.
- Thumbwheel adjustable tic rate to locate leaks quickly and accurately.
- Two line display with bargraph and backlight
- Audio / Visual alarm indication with user adjustable alarm point.
- Earphone jack for use in noisy environments.
- Approximately 20 hours of continuous use (C cell alkaline batteries x2)
TPI 721 Specifications
Combustible Gasses Detected
(Partial List) |
Acetone, Acetylene, Alcohol, Ammonia, Benzene, Butane, Ethanol, Ethylene Oxide, Gasoline, Hexane, Hydrogen, Methane, Naphtha, Natural Gas, Paint Thinners, Propane, Solvents |
| Leak Detection Sensitivity |
10ppm (methane) |
| Accuracy |
±10% |
| Sensor Type |
Low power semiconductor |
| Probe Length |
16" |
| Leak Indication |
Audio / Visual |
| Adjustable Tic Rate |
Yes |
| Alarm |
Audible / Visual (User settable) |
| Display type |
Dual display with backlight |
| Leak Level Read Out |
Yes, 0 to 9999ppm |
| %LEL Indication |
Yes, 0% to 19.9% |
| Stepped ppm read out |
Yes, 0, 500, 1000, 3000, 5000, 9999ppm |
| Internal Sample Pump |
No |
| Intrinsic Safety Rated |
No |
| Battery |
"C" cell (2) |
| Weight |
1.1 lb |
Standard accessories:
• Carrying Pouch (A780)
• Instruction Manual
• Battery and Sensor (Installed and Calibrated)
 Download the Data Sheet
Instruction Manual
 721 Specifications |
| Combustible Gasses Detected (Partial List) |
Methane, Natural Gas, Gasoline, Diesel, Propane (LPG), Butane, Kerosene, |
| Sensitivity |
10ppm (methane) |
| Sensor Type |
Low power semiconductor |
| Probe Length |
16" |
| Leak Indication |
Audio / Visual |
| Adjustable Tic Rate |
Yes |
| Alarm |
Audible / Visual (User settable) |
| Display type |
Digital with backlight |
| Leak level read out |
Yes, 0 to 9999ppm |
| %LEL Indication |
Yes, 0% to 19.9% |
| Stepped ppm read out |
Yes, 0, 500, 1000, 3000, 5000, 9999ppm |
| Internal Sample Pump |
No |
| Intrinsic Safety Rated |
No |
| Battery Type |
"C"cell (2) |
| Weight |
1.1 lb |
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