The Test Products International (TPI) 775 is a state-of-the-art Carbon Monoxide and Combustible Gas Leak Detector. It is the first of its kind to combine both detection technologies into one easy to use hand-held affordable instrument.
• One hand operation
• Auto Zero
• Backlight
• Visible and audible alarm
Model 775 Specifications
- Carbon Monoxide (CO) Measurement Range 0 ~ 2,000ppm
- Accuracy ±5ppm or 5% of reading whichever is greater
- Resolution 1ppm
- Data Storage No
- IR Printer Port No
- Flue Probe No
- Internal Pump No
- Combustible Gas Leak Detection Yes
- Backlight Yes
- Alarm Audible + Visual
- Power Supply 1.5V AA (2)
- Dimensions 9.5” x 2.9” x 2.2” (240 x 74 x 55 mm)
- Weight 1.05lbs (476g)
- Warranty 3-year limited warranty 2-year sensor warranty
More information about the 775User ManualProduct SheetDon’t expose yourself to Carbon Monoxide!Review the list below for the maximum allowable exposure limits and symptoms developed with CO inhalation.
9ppm: The maximum allowable concentration for short term exposure in a living area according to ASHRAE
50ppm: The Federal OSHA standard for continuous exposure in any eight hour period.
200ppm*: Maximum concentration allowable any time according to OSHA. Slight headaches, fatigue, dizziness, nausea after 2-3 hours.
400ppm*: Frontal headaches within 1-2 hours, life threatening after 3 hours. Maximum allowable limit in flue gas according to EPA and AGA.
800ppm*: Headache, dizziness, nausea, and convulsions with 45 minutes. Unconsciousness within 2 hours. Death within 2-3 minutes.
1600ppm*: Headache, dizziness, and nausea within 20 minutes. Death within 1 hour.
3200ppm*: Headache, dizziness, and nausea within 5-10 minutes. Death within 30 minutes.
6400ppm*: Headache, dizziness, and nausea within 1-2 minutes. Death within 10-15 minutes.
12800ppm*: Death within 1-3 minutes.
* With exposure to this concentration and higher the effects can vary depending on size, age, sex, and health.