If the unit fails to operate or fails to meet the performance specifications of Section B, notify the carrier's agent
and your nearest AMPTEC Sales Agent’s Office (i.e. see our website at
http://www.amptec.com
for contact
info). Retain the shipping carton for the carrier's inspection.
DO NOT
return equipment to AMPTEC
RESEARCH
or any of its sales offices
without first obtaining
an (RMA) Return Material Authorization
number. We need to know who to contact and how to contact (i.e. phone number and FAX number) in order to
properly
coordinate the return of the repaired
AMPTEC product.
By calling AMPTEC’s service agent first, prior to just returning the 620UK, we can often troubleshoot
(based on the symptoms you describe) and identify the problem over the phone (i.e battery loose in the
battery holder).
A-3.
DC Battery Power Requirements
The AMPTEC 620UK Explosive Safety Ohmmeter is powered by an internal battery pack (4 ea AA i.e.
Alkaline type)that is housed in a separate metal box that requires a security screwdriver for removing the
tamper resistant screws. Replacement batteries must be either of the following:
ontact the sale department at AMPTEC
RESEARCH (i.e website http://www.amptec.com) for 620UK Ohmmeter battery replacements if necessary.
Tamper resistant screws secure the battery cover plate in the rear of the 620UK Explosive Safety Ohmmeter.
Calibration Lab personnel have the proper tools to remove the cover plate over the unit’s battery compartment.
The main “Power” switch has two separate modes. The “ON” position supplies internal battery isolated
A new set of “AA”
batteries in the AMPTEC 620UK battery pack is designed to last approximately 1 year, depending upon use.
Duracell Plus Type MN1500,
Eveready Silver Seal type R65 or Eveready Ultra Plus, Silver Seal type R6F4UP, Varta Type 3006, or GP Type
GP15 to maintain the Eex- ib-IIC-T4 Intrinsically Safe Certification. C
Located in upper left hand portion on the LCD display is a “LOW BAT” indicator area. Look for no “LOW
BAT” indication prior to operating the AMPTEC 620UK Ohmmeter. The absence of the “LOW BAT”
indication in the LCD display indicates the internal batteries have acceptable power levels.
A-4.
Setup and Preparation for Use
The AMPTEC 620UK Explosive Safety Ohmmeter may be setup to operate as soon as power is "
turned ON
"
(
requires pressing and holding down power switch for 2 seconds
). A quick check for no sign of the "low
battery indicator" a test lead integrity check and/or test lead zero adjustment (see below) and it should be ready
to use.
Consequently, it may be used in any area where the environment does not exceed the specifications of Table B-
2. Avoid exposing the AMPTEC 620UK Ohmmeter to extremes of temperature which will affect accuracy and
shorten battery life-span where possible.
5
power
to operate the AMPTEC 620UK Ohmmeter. If you turn on the AMPTEC 620UK Ohmmeter, and the LCD
display does not come on, it may indicate the batteries are dead and may need replacement by authorized
service personnel.
To conserve internal battery power, the AMPTEC 620UK Ohmmeter turns off
automatically after approx.
2
0 minutes
. Simply press the power switch to turn to turn the instrument back
“On or Off”.
