background image

ELECTRICAL SPECIFICATIONS

 

Nominal Range: 

20A, 200A

 

Measurement Range:  

20A: 0.1 to 24A 
200A: 0.1 to 240A

 

Transformation Ratio: 

Voltage output

 

Output Signal:  

20A: 100mV/A

 

200A: 

10mV/A

Accuracy and Phase Shift*: 

20 A Range 

Accuracy: 1% ± 50mV

 

Phase Shift: Not specified 
Overload: 24 A for 10 min ON, 30 min OFF 

200 A Range: 

Accuracy: 0.5 to 10A: 3.0% Reading ± 5mV 

10 to 40A: 2.5% Reading ± 5mV 

40 to 100A: 2.0% Reading ± 5mV 

100 to 240A: 1.0% Reading ± 5mV 

Phase Shift: 0.5 to 10 A: Not Specified 

10 to 40A: 

 5° 

40 to 100A: 

 3° 

100 to 240A: 

 2.5°

(*Reference conditions: 18°C to 28°C, 20 to 75% RH, 
external magnetic field <40 A/m, 48 to 65Hz sine wave, 
distortion factor less than 1%, no DC component, no 
external current carrying conductor, test sample centered.) 
Load impedance > 1M

Frequency Range: 

40 to 10kHz

 

Limit Operating Conditions: 

200 A permanently to 1 kHz; derating above 
3kHz: 200A x (1/0.333 F), F in kHz 

Crest Factor: 

3 @ 200Arms with an error (due to CF) of 3% 

Working Voltage: 

600Vrms

 

Common Mode Voltage: 

600Vrms

 

Influence of Adjacent Conductor: 

< 15mA/A at 50Hz 

Influence of DC on AC signal: 

20A Range: DC Current < 2A, < 0.5% 
200A Range: DC Current < 20A, < 5% 

Influence of Conductor Position in Jaw: 

0.5% of mV output @ 50/60 Hz 

Influence of Frequency:
20A Range: 

40Hz to 1 kHz: 5% of mV output 
1kHz to 10 kHz: 15% of mV output 

200A Range: 

40Hz to 1kHz: 3% of mV output 
1kHz to 10kHz: 12% of mV output 

Influence of Temperature: 

 150 ppm/°K, or 0.15% of mV output per 

10°K 

Influence of Humidity (10 - 90% RH): 

 0.2% of mV output per 10°K @ 18°C to 

28°C 

MECHANICAL SPECIFICATIONS 

Operating Temperature: 

14° to 131°F (-10° to +55°C) 

Storage Temperature: 

-40° to 158°F (-40° to +70°C) 

Operating Relative Humidity: 

10-35°C 85% RH (without roll-off above 35°C) 

Maximum Cable Diameter: 

One Ø 0.78" (20 mm), bus bar 20 x 5 mm 

Case Protection: 

IP 40 (IEC 529)

 

Drop Test: 

Test per IEC 68-2-32: 
1.0 m drop on 38 mm of Oak on concrete. 

Mechanical Shock: 

Test per IEC 68-2-27

Vibration: 

Test per IEC 68-2-6

 

Dimensions: 

5.47 x 2.00 x 1.18" (139 x 51 x 30 mm)

 

Weight: 

180 g (6.5 oz) 

Polycarbonate Material: 

Jaws: Polycarbonate with 10% fiberglass charge, 
Red UL 94 V0 
Case: Polycarbonate 920A Gray

Opening Operations - Life: > 50,000 

Output: 

MN254: Two standard safety banana jacks (4mm) 
MN255: Double/reinforced insulated 5 ft (1.5m) 

lead with safety 4mm banana plug 

SAFETY SPECIFICATIONS 

Electrical: 

Double insulation or reinforced insulation between 
the primary or secondary and the outer case of the 
handle conforms to IEC 1010-2-32. 

Common Mode Voltage: 

600V Category III, Pollution Degree 2 

Dielectric Strength: 

5550V, 50/60Hz between primary, secondary  
and the outer case of the handle 

Electromagnetic Compatibility:

EN 50081-1 Class B 
EN 50082-2 Electrostatic discharge 
   IEC 1000-4-2 
Radiated field IEC 1000-4-3 
Fast transients IEC 1000-4-4 
Magnetic field at 50/60Hz IEC 1000-4-8 

ORDERING INFORMATION 

AC Current Probe MN254 .................Cat #2115.80 

AC Current Probe MN255 .................Cat #2115.81 

Accessories:

Leads, set of 2, 5 ft safety 
(1000V) for Model MN254 ................... 

Cat #2111.29 

Banana plug adapter 
(to non-recessed plug)  ....................... 

Cat #1017.45

E192383

2.56"

 (65 mm)

5.47"

 (139 mm)

.83"

 (21 mm)

Black

Red

.73"

2.00"

 (51 mm)

(18.5 mm)

.1.18"     

(30 mm)

MN255

MN254

Tactical

Barrier

(keep hands below

this barrier)

Отзывы: