IDEAL 61-340 Instruction Manual Download Page 2

Hz

AC/DC Current (A  )

Specifications

General Features
Display:

3999 Count LCD / 3-3/4 Digit

Refresh Rate:

2.5x/sec.

Over range:

“OL” is displayed 

Polarity:

Automatic (no indication for 
positive polarity); Minus(-) sign 
for negative polarity

True-RMS: 

61-342 only.

Auto Power Off:

After 10 minutes of non-use

Low Battery:     

is displayed if battery voltage 

drops below operating voltage

Altitude:

6561.7 ft. (2000m)

Accuracy:

Stated accuracy at 73° ±41°F 
(23° ±5°C), < 75% R.H.

Batteries: 

9VDC NEDA 1604

Battery Life:

200 hrs. (61-340)
150 hrs. (61-342)

Fuse:

0.5A/500V (#F-340) 
10A/1000V (#F-341) 

Operating 

32° to 104°F (0° to 40°C) 

environment:

at < 75% R.H.

Storage 

-4° to 140°F (-20° to 60°C) 

environment:

at < 80% R.H.

Weight:

13.6 oz  (386g)

Size:

7.0"H x 3.5"W x 1.9"D
(177mmHx89mmWx48mmD)

Accessories

Test leads (TL-310), 9V battery,

Included:

Operating Instructions

Safety 

Complies with UL/IEC/EN 61010-1,

Certification:

61010-031, Cat III-600V  

Equipment protected by double 
insulation.

Instrument has been evaluated and complies with
insulation category III (overvoltage category III) for
measurements performed in the building installation.
Pollution degree 2 in accordance with IEC-644.
Indoor use.  

C

US

N12966

+

Maintenance

Clean the case with a damp cloth and mild deter-
gent.  Do not use abrasives or solvents.

Service and Replacement
Parts

No user-serviceable parts. 

For replacement parts or to inquire about service
information contact IDEAL INDUSTRIES, INC. at
1-877-201-9005 or visit our website @
www.testersandmeters.com.  

Warranty Statement

This tester is warranted to the original purchaser
against defects in material and workmanship for
two years from the date of purchase. During this
warranty period, IDEAL INDUSTRIES, INC. will, at
its option, replace or repair the defective unit, sub-
ject to verification of the defect or malfunction. 

This warranty does not cover fuses, batteries or
damage from abuse, neglect, accident, unautho-
rized repair, alteration, or unreasonable use of the
instrument.

Any implied warranties arising out of the sale of an
IDEAL product, including but not limited to implied
warranties of merchantability and fitness for a par-
ticular purpose, are limited to the above. The man-
ufacturer shall not be liable for loss of use of the
instrument or other incidental or consequential
damages, expenses, or economic loss, or for any
claim or claims for such damage, expenses or eco-
nomic loss.

State laws vary, so the above limitations or exclu-
sions may not apply to you. This warranty gives
you specific legal rights, and you may also have
other rights which vary from state to state.

DC

A

Closed
Circuit

Open

Circuit

Ω

WARNING:

To avoid electric shock, dis-

connect test leads before removing battery cover.

WARNING:

For continued protection

against fire, replace only with fuses of the speci-
fied voltage, current and rupture speed ratings.

Bad Diode

Good Diode

Open

Shorted

Foward

Reverse

Diode Test (     )

Frequency (Hz) /

Duty Cycle(%)

WARNING:  De-energize circuit first. 

WARNING:  De-energize circuit before 

checking diode.

Note: On noisy circuits, turn dial to V, then
toggle Hz button.

WARNING:  To avoid electric shock, do

not place test leads or thermocouple on a
voltage source.

~

Toggle for 
AC

Toggle for 
Hz

Toggle for 

)

)

)

Toggle for 

Reverse

(Remove tilt stand)

Audible Continuity (

)

)

)

)

+

Temperature

Data Hold

Hold

Press to hold 

present value in 

display; depress to

release display.

Min/Max

Relative Mode

Toggle for 

Relative Mode

Press to deduct
reference value;

depress to exit

mode.

Backlight

Press >1 sec. 
for backlight (     )

Backlight stays 
illuminated for 
10 sec.  

Range

Toggle to manual

range on following

functions: Volts,

Ohms, Amps.

Hold for >1sec. to

exit mode.

Turn power off, break circuit, insert meter in
series, then turn power back on. 

WARNINGS:  

• Check fuse for continuity before testing.
• Use the proper switch position and lead 

inputs.

• Never attempt to measure current on 

circuits or equipment with more than 
600 volts potential.

• Duty cycle: 15sec ON / 15min OFF for 

10A MAX

Toggle for 
°C

Toggle for 
Duty Cycle

Toggle for 
Min/Max

Hold for >1sec.
to exit mode.

MAX MIN

Capacitance (   )

nF

WARNING:  De-energize circuit before 

taking resistance measurement.

WARNING:  De-energize circuit and

discharge capacitor before taking capaci-
tance measurement.
Measuring time: < 15sec for <400µF

< 1min for <4000µF

M

Ω

Resistance (

)

Toggle for 

Battery & Fuse Replacement

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ND 6447-1 61-340 61-342 Ins  3/17/08  6:42 AM  Page 8

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