Ideal Electrical Clamp-Pro Zangenmultimeter 740-Serie Digital-Multimeter, DMM, 61-744 データシート

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AC Current*

40.00A//400.0A/600.0A (50Hz - 60Hz)

1.7% + 6 digits

1.7% + 10 digits

600AAC

40.00A/400.0A/600.0A (60Hz - 400Hz)

3.0% + 6 digits

3.0% + 10 digits

AC Voltage

400.0V

(50Hz - 500Hz)

1.2% + 5 digits

1.2% + 8 digits

600 VDC or AC rms

600V

(50Hz - 500Hz)

1.5% + 5 digits

1.5% + 8 digits

DC Voltage

400.0V/600V

0.5% + 2 digits

600 VDC or AC rms

400.0Ω/4.000kΩ/40.00kΩ/

1.0% + 4 digits

400.0k Ω

Resistance

4.000MΩ

1.5% + 4 digits

600 VDC or AC rms

40.00MΩ

3.0% + 5 digits

Continuity

Audible indication < 25Ω

N/A

600 VDC or AC rms

Response time: 500ms

AC Converter:
61-744 model is averaging sensing, rms calibrated
61-746 model is true rms sensing.

Accuracy:
Accuracy is specified as +/-(a percentage of the reading + a fixed amount) at
23°C±5°C (73.4°F ± 9°F), less than 75% relative humidity.

Temperature Coefficient: 0.1 times the applicable accuracy specification per
degree C from 0°C to 18°C and 28°C to 50°C (32°F to 64°F and 82°F to 122°F)

* Accuracy stated for crest factor ≤ 3
Input Impedance is 10MΩ.

Specifications:
Display:

3-3/4 digit LCD with 4000 counts

Polarity:

Automatic, positive implied, negative (-) polarity indication.

Overrange:

"OL" indication is displayed.

Measure Rate: 

Samples 2 times per second, nominal.

Auto Power Off:

Approximately after 10 minutes of non-use.

Battery Life:

400 hours continuous with Alkaline (61-744)
250 hours continuous with Alkaline (61-746)

Low Battery Indication: The "     " is displayed when battery voltage drops below 

operating level.

Power Supply:  

(2) 1.5V "AAA" batteries (NEDA R03).  
Includes an isolated battery compartment.

Accuracy:

Stated accuracy at 23°C ±5°C, <75% R.H.

Temperature

0.1 x (specified accuracy) per °C, 

Coefficient:

(0°C to 18°C, 28°C to 50°C).

Altitude:

6561.7 ft. (2000m)

Operating Environment:  32°F to 122°F (0°C to 50°C) at < 70% R.H.
Storage Environment:  -4°F to 140°F (-20°C to 60°C) at < 80% R.H.
Jaw Opening:

Accepts a 1.50" (38mm) conductor

Dimensions:

8.0"H x 2.6"W x 1.5"D  (203mm H x65mm W x37mm D)

Weight:  

7.1 oz  (200g) including batteries

Accessories included:

Carrying Case, Test Leads, (2) 1.5V "AAA" batteries, 
operating instructions.

Safety:  

Complies with UL/IEC/EN: 61010-1, 61010-2-032, 
61010-031

 specifications, Cat III-600V. 

Double Insulation

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

N12966

ND 6442-1 61-744 61-746 Instructions  11/13/07  7:30 AM  Page 9