• Product meets UL established electrical standards.

AC Current Probe Model MN255

The MN255 is a high sensitivity probe with voltage outputs (100 mV/A and 10 mV/A) and combine two switch-selectable ranges of 20 A and 200 A, thus permitting accurate measurements at low and high levels. The MN255 has integral 5 ft (1.5m) leads terminated by shrouded banana plugs.
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Model Cat. # Description List Price Quantity/Status Distributor Stock Check
MN255 2115.81 AC Current Probe Model MN255 $225.00 Consult Factory for Availability
ModelMN255
Cat. #2115.81
DescriptionAC Current Probe Model MN255
List Price$225.00
Consult Factory for Availability
Print
Maximum Conductor Size 0.78 in (20 mm), bus bar (20 x 5) mm
Current Range 20 A & 200 Arms AC
Measurement Range 20 A: (0.1 to 24) A
200 A : (0.1 to 240) A
Output 5 ft (1.5 m) lead with 4 mm safety banana plug
Transformation Ratio Voltage output
Output Signal 20 A: 100 mV/A (2 VAC @ 20 A)
200 A: 10m V/A AC  (2 VAC @ 200 A)
Accuracy 50/60Hz 20 A Range Accuracy:
% ± 50 mV
200 A Range Accuracy:
(0.5 to 10) A: 3.0 % Reading ± 5 mV
(0 to 40) A: 2.5 % Reading ± 5 mV
(40 to 100) A: 2.0% Reading ± 5 mV
(100 to 240) A: 1.0% Reading ± 5 mV
 
Frequency Range 40 Hz to 10 kHz
Phase Shift at 50Hz 20 A Range: 
Not Specified
200 A Range:
(0.5 to 10) A: Not Specified
(10 to 40) A: ≤ 5 °
40 to 100) A: ≤ 3 °
(100 to 240) A: ≤ 2.5 °
Open Secondary Voltage N/A
Load Impedance > 1 MΩ
Overload (24 and 240) A for 10 min ON, 30 min OFF
Dimensions  (H x W x D) (5.47 x 2.00 x 1.18) in (139 x 51 x 30) mm
Weight With 24” (610mm) Sensor 6.3 oz (180 g)
Operating Temperature (14 to 131) °F  (-10 to 55) °C
Storage Temperature (-40 to 158) °F  (-40 to 70) °C
Operating Humidity (10 to 90) % RH
Pollution Degree 2
Ingress Protection (Ip) IP40
EMC EN 61326-1
Safety Compliance EN/IEC 61010-1 600 V CAT III,
EN/IEC 61010-032
20 A Range Accuracy:

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Application Notes

Model Cat. # Description List Price Quantity/Status Distributor 
Stock Check
1017.45 Adapter - 4mm non-insulated for safety leads $20.00
2118.09 General Carrying Case
Dimensions: 13 x 9.5 x 3"
$73.50
2118.46 Adapter - Banana (Female) - BNC (Male) (XM-BB) for use with AmpFlex Sensors, Models K100/K110 and SLII Data Loggers
(600V CAT III)
$46.25
2133.72 Small Classic Tool Bag for field use.
12 Exterior and 14 Interior pockets
Dimensions: 13.0 x 9.8 x 9.5"
$36.00
Model
Cat. #1017.45
DescriptionAdapter - 4mm non-insulated for safety leads
List Price$20.00
Model
Cat. #2118.09
DescriptionGeneral Carrying Case
Dimensions: 13 x 9.5 x 3"
List Price$73.50
Model
Cat. #2118.46
DescriptionAdapter - Banana (Female) - BNC (Male) (XM-BB) for use with AmpFlex Sensors, Models K100/K110 and SLII Data Loggers
(600V CAT III)
List Price$46.25
Model
Cat. #2133.72
DescriptionSmall Classic Tool Bag for field use.
12 Exterior and 14 Interior pockets
Dimensions: 13.0 x 9.8 x 9.5"
List Price$36.00

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