Helpful hints for using your new
GFM400 Series Gas Analyser
Thank you for purchasing the GF400 Series Gas Analyser. The GFM has been designed for use on site and
in harsh conditions and should give years of trouble free use if the following advice is followed:
♦
Allow time for the GFM instrument to stabilize for 10 minutes after switch on before completing any
calibration functions or zero functions.
♦
Use the AUTO ZERO function no more than twice a day.
♦
Replace internal and external filters regularly see Maintenance Section page 18 for more information.
♦
Ensure instrument is fully charged before use.
i
Water Filters & Sample Tubes
Replacement water filter. Supplied in pack of 10 J
Quick release male connectors for sample tubes. Supplied in pack of
10.
Replaceable battery packs J
Brass temperature probe for GFM400 Series J
T piece temperature probe for GFM400 Series J
103 litre gas canister containing 5% CH4, 5% CO2 and 6 % O2 for
checking calibration of GFM instruments
Brass regulator, flow indicator and connection tubing to connect check
gas to GFM instrument
Replacement oxygen cell for GFM400 Series instruments J
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