FINE INSTRUMENTS CORPORATION FINEST 135, User Manual

8 Technical Data and Specifications

AC Current

RMS AMPERES 

8.1 Technical Data

Display: Digital   4000 counts 

 digits)

[Hz: 9999 counts], updates 4 

Analog   Updates 20 

 41 

 bar

graph.

Maximum Conductor Size:   51mm (2.00”)
Maximum Jaw Opening: 52mm (2.04”)
Max. Conductor Voltage: 600V rms
Frequency Range: Current Measurement   

Frequency Measurement   

1 

Crest 

 Continuous Waveform: (45Hz   

 less

than 

 peak)

1.4 to 2.0 add 20. digits   accuracy below 

2.0   3.0 add 1%   accuracy 

 20 digits below 

3.0 to 

 add 2%   accuracy 

 20 digits below 

Adjacent Conductor 

 1% of 

 in adjacent

conductor 

Operating Temperature:   

Operating Humidity: 0% 

 80% 

 70% 

Storage Temperature:   

Standard Equipment: Clamp-on Meter, Clip-on 

Test-leads, User’s manual,
and 

 battery (installed)

 1

 at 

 marks and 

 power 

‘2   R M S  

  A D D    

‘3 

 and 

 AVG 

 2 SA and 

RMS 

 Add 2%   

INSTANTANEOUS AMPERES 

RANGE

Battery Type: 

 or 

Battery Life: 80 hours typical (alkaline)
Safety Standards: UL 1244, IEC 

 IEC 664

(Appropriate Parts)

Installation Category 

 CSA C22.2

No. 231, 

 S82, VDE 0411

Weight: Approx. 1.21 Ib 

Size: 

 H x 

 W x 

 L

 x 

 x 

(40A 

 3999A
 

400 to 599A
(400A 

8.2 Specifications

Accuracy   given as   

 of reading]   [number of least

 digits]) at 

 with relative humidity up

 for a period of one year after calibration.

 999A

(400A 

  a s   ‘1

    ‘ 3

“ 3  

RESOLUTION

ACCURACY

 (3%   30 

dgts)

   65Hz

 dgts) 
 

 dgts) 

2A

4A

   dgls) 

   4 dgts)

 3%
 4%
 
 4%

 7%
 7%
 7%
 7%

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