G-Finder Pump
Instruction Manual
The "G-Finder Pump" is an external pump for the
portable gas detectors GFS-100 and GFM-400
manufactured by Gastron. It is designed for
portable gas detector operators who occasionally
require a pump for confined space entries. The
dedicated model will be depended on the type of
optional adapter accessory for "G-Finder Pump".
"G-Finder Pump" can be attached and detached
to or from the portable gas detector at the site,
and if a stand-alone adapter accessory is used, the
portable external pump "G-Finder Pump" can be
operated as a stand-alone device. The "G-Finder
Pump" is powered by a rechargeable 1-cell Li-Ion
battery and the Li-Ion battery mounted in the
pump can only be charged using the USB port
(USB Type-C) in a non-hazardous area where
explosive atmospheres are not present. A
standard cellphone charger can be used for
charging. The charging status is indicated on the
LED light on the pump.
WARNING
1) Carefully read the instruction manual for G-
Finder Pump and portable gas detector before
using.
2) Ensure strict compliance with the Instructions
for Use. The user must fully understand and
strictly observe the instructions. Only use the
product for its intended use.
3) Only trained and competent personnel are
permitted to use this product.
4) Do not use faulty or incomplete product. Do
not modify the product.
5) Do not attempt replacement or substitution of
components. Replacement or Substitution of
components may impact intrinsic safety and
impair the functionality and will void the
warranty of the product.
6) The electrical, electronic and battery elements
of this product must not be disposed of via
GR30222040801E
G-Finder Pump, External pump for gas detectors
municipal waste streams; they should be
disposed of by a qualified recycler or
hazardous materials handler.
Correct disposal will contribute to recycling of
materials and prevent negative consequences
for the environment.
7) Do NOT OPEN when an explosive atmosphere
is present.
8) Do NOT CHARGE the battery in hazardous
location.
CAUTION
1) When using the G-Finder Pump, sudden
change in the temperature may affect
operating life and performance.
Using in a stable temperature environment is
recommended.
2) Purge the "G-Finder Pump" sampling hose
with the air sample prior to every
measurement.
3) The pump cannot be operated while charging
the battery.
4) Several environmental factors such as
temperature and humidity can affect flow
rate, operating time and charging time.
1. Specification
Item
Ex marking
Approvals
Dimensions
Weight
Temperature
PAGE 1 of 6
Description
ATEX :
II 1 G Ex ia IIC T4 Ga
IECEx / KCs / NEPSI : Ex ia IIC T4 Ga
IECEx : IECEx KTL 22.0035X
KCs : 23-KA2BO-0015X
ATEX : DEKRA 23ATEX0003 X
NEPSI : GYJ23.1023X
KC : R-R-G99-GFP-10
61x136x41 mm (GFP-10)
61x211x48 mm (GFP-10-S1)
77x243x48 mm (GFP-10-M4)
Approx. 208 g (GFP-10)
Approx. 349 g (GFP-10-S1)
Approx. 483 g (GFP-10-M4)
Operation : -20°C ~ 50 °C
Charge : 0°C ~ 45 °C
Storage : -20°C ~ 25 °C
Rev 1.0(2023.02.16)
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