E-9 Battery Compartment Design and Description
The battery compartment of the 620UK Ohmmeter has been designed in accordance with
British Defence
Standard 66-31
and is
separate to the main electronics
. The battery compartment houses four
AA
-size
batteries and holder. The supply wires connect the batteries to the Printed Circuit Boards inside the Ohmmeter
passes through a small hole in the side of the battery compartment. This hole is sealed to prevent any fluid
leakage or other failure of the batteries causing damage to the main electronics of the ohmmeter and thus
ensuring that the ohmmeter remains safe at all times. The battery compartment can be secured with standard
screws ( makes it easier for filed install new AA batterries) or can be optionally fitted with security screws.
Tamper-resistant battery compartment lid screws make it extremely difficult for field personnel to install new
batteries.
Option “620UK-201” Security Screwdriver (snake-eye type) is available for calibration
maintenance personnel to have access to the unit's battery compartment and internal electronics. The secure
the batteries via a plastic cable tie in the holder to prevent dislodging from the spring contacts of battery
holder.
BATTERY HOLDER LABEL
(4 each Type AA)
Only fit the following battery types:
Duracell Battery Type MN1500, Varta Battery Type 3006,
GP Battery Type GP15G-S4, Ever Ready Silver Seal Type R65,
Every Ready Ultra Plus Type R6F4UP
All batteries fitted must be of the same type.
Authorised service personnel only are to replace batteries.
Batteries must only be replaced in non-hazardous areas.
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