19
5.0
Battery Charging
The GFM2 uses a rechargeable 7.2 Volt Lithium-Ion battery which lasts
for approximately 8 to 10 hrs. When the battery level reaches 000% the
GFM2 should be recharged using the supplied battery charger.
To charge the GFM2, use
ONLY
the battery charger supplied by TVC.
Insert the battery charger plug into the charging input socket. Connect the
battery charger to a suitable mains supply. The GFM2 battery will take
around two hours to fully recharge and should be disconnected from the
battery charger once fully charged.
The following details the charge cycle and LED indications for the GFM2
battery charger:
Yellow LED
Green LED Mode
Off
Off
Mains disconnected
On
On
Battery charging
Off
On
Mains connected; battery charged, or
battery disconnected
6.0
Additional Information
6.1
Specification
Range
5 to 100 LPM (Argon)
Accuracy
±5% reading ± 1 Digit
Transducer Type
Turbine
Battery
Li-Ion 7.2V 2.6Ah Rechargeable
6.2
Calibration
All GFM2 meters are supplied with valid and traceable 12-month
calibration certification.
TVC recommend that the GFM2 unit is returned to TVC, or a TVC-
approved agent, for recalibration and service annually.