Ground Microphone and Tracer Gas




GM80 Microphone Piezo in tough rubber housing with
wind protection.Handle, cable and
tripod included. Available with the
HL5000-C+GM and HL5000-CGH
Weight 7.7lbs (3.5kg)
Dimension 6in (Dia.) x 8in (H)
(152mm x 203mm)
Environmental Protection IP67

*GM80 plugs into the HL-5000. It can also plug into the HL-50 and the C3 Correlator with a special cable adaptor*

***Also called ‘elephant foot’***


*Case is not provided if purchased as an accessory. Case shown is the HL-5000*

PAM-H2 Hydrogen Sniffer Sensor (Plugs into the HL-5000)
Analysis Bandwidth 0-10,000 ppm
Sensitivity 0.7ppm H2 in air
Response Time < 1sec
Warm-up Time 6sec
Operating Life of the Replaceable Gas Sensor 2 to 5 years (depending on intensity of use)
*picture of a tank of gas, used to put the Formier gas into the water line, so it can be detected by the Pam-H2-2 sensor*