C-1. Available Accessories and Options
This manual does not list all possible
accessories that AMPTEC RESEARCH is
willing to provide as a support items for the
620A 4R Igniter Tester. Contact the sales
department at AMPTEC if you have a request
for an item that is not described here. Listed
below are the options available for use with the
AMPTEC 620A 4R Igniter Tester.
Option 620A4DC: Battery Charger
Option "620A4RDC" is an AC/DC converter
that converts 115VAC line voltage to 9VDC at
1.1A. The units battery charger is fitted with
the mating plug that connects to the unit’s
charging jack connector. One charger is
provided as a standard accessory with every
620A 4R Ohmmeter.
Replacement Batteries
The rechargeable NICAD batteries installed in
the 620A 4R should provide trouble-free
operation. Replacement, however, will
eventually be necessary. The 620A 4R uses four
1.2V cells (5.0 AHr recommended) installed in a
reusable battery box. The batteries are held in
place by a metal retaining plate. When
ordering replacement batteries, please specify
AMPTEC Stock #05-10117, quantity four (4).
Replacement AMPTEC 620A 4R NICAD
batteries come with an inspection sticker that
verifies each individual replacement battery
voltage (charge level), inspector signature,
along with the inspection date.
CHAPTER C - REPLACEMENT,
OPTIONAL AND ACCESSORY ITEMS
3-2. Test Lead Sets and Probes
Option “290" Alligator Clip Lead Set
Option "290" is the recommended general
purpose Alligator Clip lead set (red and black) .
Option “290" is supplied as a standard item with
all 620A-4R Igniter Testers/Ohmmeters as part
of the standard package. Option “290" is a 48"
long cable set with dual banana plugs at one
end. The other end is terminated with an
alligator clip ( red and black) . These alligator
clips will measure (2 wire method) properly
with either upper or lower jaw connected to the
conductive socket center of plastic test panel
jacks. Kelvin Clips (using the 4 wire method)
may have connection difficulty because both
jaws (both upper and lower) must make
electrical contact with the EED .
Option 300: 4-Wire Kelvin Lead Set
Recommended for Calibration - Option "300" is
a gold plated four wire Kelvin lead set for all
AMPTEC 620A4 Ohmmeters. Option 300 is a
shielded 48" lead set terminat-ing in ½" opening
gold plated copper Kelvin clips. The option
"300" can clip easily to wires, pins, and medium
size (up to ½" diameter conductors). The dual
banana plugs terminations connect directly to
the 620A's front panel input terminals. (see
Option "320" for a diagram of the clip ends)
Summary of Contents for 620A 4R
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