
TDMC+ Teledyne Dual Mode Charger
Page 15/15
Or call: 1 (800) 456 0070 / 1 (909) 793 3131.
Field Test / Calibration Check
This unit does not require periodic calibration. Validate proper operation of the unit and internal
sensor calibration by following this field test procedure.
Required Items:
1.
Charger
2.
12V or 24V Lead Acid Battery or at least 10A capacity (preferably 50% - 80% charged)
3.
Calibrated DC Multimeter with 30V and 10A ranges
4.
Time reference (watch, clock, etc. with elapsed seconds)
5.
Power Cord
6.
Appropriate Battery connection cord for the selected battery
Approximate Duration of Test: Ten minutes, plus setup time.
Field Test Procedure:
1.
Power on Charger with battery disconnected
2.
Verify
screen shows 00.0V and 00.0A
3.
Connect 12V or 24V battery (as available) and configure charger:
a.
Select 12V or 24V (as appropriate),
b.
Select 6A,
c.
Select End At .5A; press Go!
4.
Set DMM to voltage mode, connect DMM in parallel with battery.
5.
Verify
DMM matches voltage on screen (+/- .5V)
6.
Press Pause.
7.
Verify
DMM matches voltage on screen (+/- .2V)
8.
Set DMM to current mode, connect DMM in series with battery (10A mode)
9.
Resume charge (press Go!)
10.
Verify
DMM matches current on screen (+/- .15A)
11.
Cancel charge: Select Pause, then select End.
12.
Leave DMM in circuit in current mode (10A mode), and configure charger:
a.
Verify selection on screen is still 12V or 24V (as appropriate),
b.
Select 1A, End At 65h (or any time limit
–
charge will be interrupted) press Go!
13.
Verify
DMM matches current on screen (+/- .15A)
14.
Observe countdown timer over period of 30 seconds as measured by time reference
15.
Verify
that 30 seconds elapsed on time reference and unit simultaneously (+/- 2 seconds)
16.
Cancel charge: Select Pause, then select End.
17.
Remove DMM from circuit and reconnect battery to charger
18.
Set DMM to voltage mode, connect DMM in parallel with battery.
19.
Verify
DMM matches voltage on screen (+/- .2V)
20.
Disconnect battery and reconnect battery in
reverse polarity.
21.
Verify
screen indicates reverse polarity
22.
Verify
reverse polarity LED
23.
If the unit fails Verification steps, discontinue use and contact Teledyne for support.