Key facts
- Brand
- EXTECH
- Model
- EZ40
- Category
- Other Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2023-10-18
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Extech EZ40 Combustible Gas Leak Detector User's Guide
The Extech EZ40 Combustible Gas Leak Detector is designed to detect the presence of combustible gas and nuisance vapors, such as methane, natural gas, and various solvents. It features a 16-inch flexible gooseneck for accessing difficult locations and alerts the user with both audible and visual alarms when gas concentrations reach 10% LEL for methane.
The manual details the operational procedures, including a 5-minute warm-up cycle, automatic zeroing, and leak detection techniques using the sensitivity adjustment dial. It also covers maintenance requirements, such as battery replacement with three 'C' batteries, cleaning instructions, and storage conditions to ensure reliable performance.
Extech EZ40 specifications
| Sensitivity | 50 ppm methane |
|---|---|
| Alarm Threshold | 10% LEL (40% max) for Methane |
| Warm-up Time | Approx. 5 minute |
| Response Time | Less than 2 seconds (up to 40% LEL) |
| Power Supply | 3 x "C" 1.5V alkaline batteries |
| Battery Life | Approx. 8 hours continuous use typical |
| Operating Temperature | 32 to 122 oF (0 to 50oC) |
| Dimensions | 8.7 x 2.83 x 1.8" (221 x 72 x 46mm) |
Source: Extech EZ40 Combustible Gas Leak Detector User's Guide
All Extech EZ40 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What gases can the EZ40 detect?
The EZ40 detects Natural Gas, Methane, Ethane, Propane, Butane, Acetone, Alcohol, Ammonia, Steam, Gasoline, Jet Fuel, Hydrogen Sulfide, Smoke, Industrial Solvents, Lacquer Thinner, Naphtha, and Carbon Monoxide (indication only).
From: Extech EZ40 Combustible Gas Leak Detector User's Guide
How long does the warm-up cycle take?
The typical warm-up and self-zero cycle takes approximately 5 minutes.
From: Extech EZ40 Combustible Gas Leak Detector User's Guide
What gases can the EZ40 detect?
The detector identifies leaks in natural gas, methane, ethane, propane, butane, acetone, alcohol, ammonia, steam, carbon monoxide (not to quantify), gasoline, jet fuel, hydrogen sulfide, smoke, industrial solvents, lacquer thinner, and naphtha.
What is the alarm threshold for methane?
The device triggers a visible and audible alarm at 10% LEL for methane.