Minelab F3 Operation Manual page 48

Environmental:
Temperature (Operating)
Temperature (Storage)
Environmental Resistance
Batteries (4 required):
Alkaline
Rechargeable
Battery Reverse Polarity
Protection:
Patents:
Covered by International patents including:
US4890064, US4894618, AUS595835, CAN1260146, AU7944001,
AU7943901, AU7937601, GB2372329, AU2002951084,
AU2002951089, US2002053908, US2002053907 and
US2002050822 (some pending).
As a world leader in metal sensing technology, Minelab strives to
continually improve its product range. Minelab reserves the right to
introduce changes to the design, technical features and accessories
of this product.
-30 deg C to 60 deg C
-22 deg F to 140 deg F
-30 deg C to 80 deg C
-22deg F to 176 deg F
To MIL STD 810F:
Method 512.4 (Water immersion
IP67)
Method 514.5 (Vibration)
Method 516.5 (Shock)
D cell LR20
NiCad or NiMh D cell minimum
4000mAh capacity
Yes
Disclaimer
47