RESTEK 28500 Helium Gas Leak Detector

Features & benefits:

Detects a broad range of gases.
Audible tone and LED display indicate the severity of a leak.
It can be operated during charging or used up to 12 hours between charges.
Ergonomic, handheld design.
Rugged side grips for added durability.
Automatic shutoff.
Easy-to-clean probe assembly.
A universal AC power adaptor (U.S., UK, Europe, Australia, Japan).

Leak Detector Specifications
Detectable Gases: Helium, nitrogen, argon, carbon dioxide, hydrogen*
Battery: Rechargeable nickel-metal hydride (NiMH) internal battery pack (12 hours normal operation)
Ambient Temperature: 50–98.6 °F (10–37 °C)
Humidity Range: 0–97%
Certification/Compliance: CE (EU, Korea, Japan, Australia)
Indoor Use Only

Limits of Detection:
These gases can be detected with the Restek electronic leak detector at the following leak rates:
Minimum Detectable Gas Limits and Indicating LED Color:
Helium, 1.0 x 10-5, red LED
Hydrogen*, 1.0 x 10-5, red LED
Nitrogen, 1.4 x 10-3, yellow LED
Argon, 1.0 x 10-4, yellow LED
Carbon dioxide, 1.0 x 10-4, yellow LED

Gas detection limits measured in atm cc/sec.

Technical details:
Battery rating: 12 hours of normal operation
Battery type: NiMH
Leak indicator: Incremental visual (LEDs) -Incremental audible
Helium leak sensitivity: 1 x 10-5 cc/sec
Weight: 252 grams