User Guide

3 Specifications
6
3 Specifications
3.1. Use
The testo 316-3 is a leakage detector for fast and reliable leak
detection in refrigeration systems and heat pumps. Gas concentrations are
indicated both visually and audibly.
The testo 316-3 is not protective equipment! Do not use the
testo 316-3 as a monitoring instrument for personal safety.
3.2. Technical data
Feature Values
Sensor
Electrochemical sensor with
heated diode
Detectable refrigerants
All HFCs, HCFCs and CFCs
(e.g. R134a, R410a, R438A,
R22 etc.)
Response threshold <4 g/a / <0.15 oz/a
Sensor service life
80-100 hours (equates to
approx. 1 year of normal usage)
Warm-up period (switching
instrument on – ready to
measure)
Approx. 20 s
Power supply Alkaline Batteries (2xD)
Battery life 16 hours
Storage/transportation
conditions
0 to 50 °C / 32 to 122 °F