35 Q+ TP403 HRV1
you will be equipped for the most important measurements involving domestic heating systems: the testo 300 flue gas analyzer is supplied with O2 and CO sensor up to 4
Quick & easy installation
Adjustable Overrun Timer: Max
Trace-A-Gas sensitivity hydrogen 5 grams a year
Javac Gas-Mate Leak Detector - 718-202-G21 150-350 35 Q+ TP403 HRV1For R32, all standard refrigerants and hydrocarbons Fully compatible with Trace A Gas Trace A Gas sensitivity hydrogen 5 grams a year Sensitive to 5ppm methane Also detects natural gas, propane, butane, cyclopentane, ethane, ethanol, isobutane, and ammonia R1234yf, R1234ze, R32, R290, R600 Multiple LEDs, variable intensity audio alarm indicates leak strength Adjustable sensitivity helps pinpoint leaks fast Auto zeroing for ignoring background gas