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RANGE

RESOLUTION

ACCURACY

400

Ω

0.1

Ω

(1.5% + 2)

4K

Ω

1

Ω

(1.0% + 2)

40k

Ω

10

Ω

400k

Ω

100k

Ω

4M

Ω

1k

Ω

± (1.2% + 5)

20M

Ω

10k

Ω

± (2% + 5)

RESISTANCE

3

Incoming wire

Interior wiring

CAT. III

Transformer CAT. II

CAT. I

CAT. IV

Socket

Symbols

Caution, risk of danger, refer to the operating manual before use

Caution, risk of electric shock

AC (Alternating Current)

DC (Direct current)

AC/DC Selectable (Alternating Current/Direct Current)

Earth (ground) Terminal

The equipment is protected throughout by  
double insulation or reinforced insulation

Application around and removal from hazardous  
live conductors is permitted.

Conforms to Standards of European Union

Designates the product as recyclable  

electronic waste per WEEE Directive

Measurement categories (Over-voltage categories) 

To ensure safe operation of measuring instruments, IEC61010 establishes safety standards for various electrical environments,  

specified as CAT I through CAT IV, and called measurement categories. Higher-numbered categories correspond to electrical  

environments with greater momentary energy, so a measuring instrument designed for CAT III environments can endure greater  

momentary energy than one designed for CAT II.
• CAT I: Secondary electrical circuits connected to an AC electrical outlet through a transformer or similar device. 
• CAT II: Primary electrical circuits of equipment connected to an AC electrical outlet by a power cord. 
•  CAT III:  Primary electrical circuits of the equipment connected directly to the distribution panel,  

and feeders from the distribution panel to outlets. 

•  CAT IV:  The circuit from the service drop to the service entrance, and to the power meter and  

primary over current protection device (distribution panel).

• Avoid placing the meter in areas where vibration, dust or dirt is present. Do not store the meter in excessively hot, humid or damp places.
• This meter is a sensitive measuring device and should be treated with the same regard as other electrical and electronic devices.
• When the meter is not in use keep the meter turned off to keep the battery from discharging.
•  When disconnecting the test leads from the unit, always grasp the leads where the input jacks meet the tester housing.  

Do not pull the leads out of the jacks by the insulated wire or transport the tester using the test leads as a carrying strap.

3.0 SPECIFICATIONS

3.1 MEASURING RANGE & ACCURACY

RANGE

RESOLUTION

ACCURACY

-40 - 104˚F (-40 - 40°C)

1˚F (1°C)

±5˚F

>104 - 932˚F (40 - 500°C)

1˚F (1°C)

± (1.5% + 5)

>932 - 1832˚F (500 - 1000°C)

1˚F (1°C)

±(2.5% + 5)

TEMPERATURE

RANGE

RESOLUTION

ACCURACY

4V

1mV

± (0.8% + 5)

40V

10mV

400V

100mV

(1.5% + 5)

600V

1V

- Frequency Response: 40Hz - 400Hz

AC VOLTAGE

RANGE

RESOLUTION

ACCURACY

4V

1mV

(0.5% + 3)

40V

10mV

400V

100mV

(0.8% + 3)

600V

1V

DC VOLTAGE

RANGE

RESOLUTION

A

A

400A

400A

The approximate forward voltage drop

of the diode will be displayed

- Open-circuit voltage: about 2V

DIODE

RANGE

RESOLUTION

ACCURACY

0.1

Ω

10

Ω

 Buzzer beep

10

Ω

-70

Ω

 Buzzer  

may or may not beep

70

Ω

 No buzzer beep

CONTINUITY TEST

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