Test Products International 291 - Manual (Page 20)

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g. Peak Mode
Set the 291 to either the 400 or 700 ACA range and
allow the reading on the LCD to settle down to
zero. Clamp the jaw around one wire of the device
the peak current is to be measured from and again
allow the LCD to settle down to zero. Apply power
to the device and read the initial current draw by
the device being measured.
E. ACCESSORIES*
20
e. Continuity Buzzer
WARNING!
Do not attempt to make continuity measurements with
circuit energized.
Instrument set-up:
FUNC. BLACK RED
TEST LEAD
TEST LEAD
Ω COM V/ Ω
Measurement Procedure:
1. Disconnect power to circuit to be measured.
2. Plug black test lead into the COM input jack.
3. Plug red test lead into V/
Ω
input jack.
4. Set the rotary switch to the
Ω
function.
5. Connect test leads to circuit to be measured.
6. Listen for the buzzer to confirm continuity.
Optional Modes
•
HOLD: Freezes the reading on the LCD.
f. Data Hold
Press the HOLD button at any time on any function
to freeze the reading on the LCD display. This
function is very useful when measuring in loca-
tions where the display is difficult to read.
!
Standard Accessories Part No.
9 Volt Alkaline Battery A009A
Test Lead Set A040
Soft Carrying Pouch A200
Optional Accessories Part No.
Deluxe Test Lead Set SDK1C
IEC 1010 Deluxe Test Lead Kit TLS2000BC
Hard Carrying Case A201
*These accessories have not been evaluated by UL and are not
considered as part of the UL Listing of this product.