AC Current Probe Model JM861

The Model JM861 is designed for oscilloscopes, waveform displaying instruments and other instruments able to benefit from its frequency response. The Model JM861 encompasses a special circuit and three ranges to maximize frequency response performance. Accurately measures AC current waveforms and has proportional mV output for direct readings on oscilloscopes. Three-position slide switch on the handle selects ranges. Large jaw window enables use on cables and bus bars.
NOTE: Our complete catalog is not available for direct online purchase, refer to the Status Column for purchasing options. Items that do not have an Add to Cart button must be purchased from an Authorized Distributor.
Model Cat. # Description List Price Quantity/Status Distributor Stock Check
JM861 2110.90 AC Current Probe Model JM861
(30A, 10mV/A; 300A, 1mV/A & 3000A, 0.1mV/A, BNC) 		$750.00 Consult Factory for Availability
ModelJM861
Cat. #2110.90
DescriptionAC Current Probe Model JM861
(30A, 10mV/A; 300A, 1mV/A & 3000A, 0.1mV/A, BNC)
List Price$750.00
Consult Factory for Availability
Print
Maximum Conductor Size Cable: 2.52" (64mm)
Bus bar: 1.97 x 5.31” (50 x 135mm), 2.52 x 3.94” (64 x 100mm)
Current Range 30AAC; 300AAC; 2400AAC (3000AAC if ambient temperature <95°F / 35C°)
Measurement Range 1 to 30AAC; 1 to 300AAC; 1 to 2400AAC (3000AAC if ambient temperature <95°F / 35C°)
Output Signal 10mVAC / AAC (0.3V @ 30A); 1mVAC / AAC (0.3V @ 300A); 0.1mVAC / AAC (0.3V @ 3000A)
Output Insulated 6.5 ft (2m) coaxial cable with insulated BNC connector rated 600Vrms
Accuracy 50/60Hz 2% ±1mV @ 30A; 2% ±0.5mV @ 300A; 2% ±0.2mV @ 3000A
Frequency Range 10Hz to 50kHz
Phase Shift 5° @ 30A; 1° @ 300A; 1° @ 3000A
Load Impedance 1MΩ, 47pF
Operating Temperature +14° to +122°F  (-10° to +50°C)
Storage Temperature -40° to +176°F  (-40° to +80°C)
Dimensions  (HxWxD) 4.72 x 12.40 x 1.89” (120 x 315 x 48mm)
Weight 2.65 lbs (1200g)
Pollution Degree 2
Rating UL 94 V0 (handles), ABS UL 94 V2 (jaws)
Ingress Protection IP 20
Safety Compliance IEC 1010-2-32, 600V CAT III

User Manuals

Model JM861 - English

Modelo JM861 - Español (CA France version)

Datasheets

Model JM861 - English

Modelo JM861 - Español

Comparison Charts

Current Probe Selection Chart - English

Current Probe Selection Chart - Español

Model Cat. # Description List Price Quantity/Status Distributor 
Stock Check
2118.09 Case – General Carrying Case — Dimensions: (13 x 9.5 x 3) in $73.50
2119.94 Adapter - BNC (Female) to 4mm Banana (Male) 600V CAT III $23.25
2133.72 Small Classic Tool Bag for field use. 12 Exterior and 14 Interior pockets. Dimensions: (13.0 x 9.8 x 9.5) in.
For use with PEL Models: PEL 102 and PEL 103, DMM/Oscilloscope/Power Analyzer Model: OX 5042B, Megohmmeters Models: 5050, 5060, 5070 & 6505, 6550 & 6555.Data Loggers Models: DL913 & DL 914. 		$36.00
2133.73 Extra Large Classic Tool Bag Replacement for Models: 3945/3945-B, 6240, 6255, 6292, 6471, 6505, 5050, 5060, 5070, 8333, 8335, 8336, 8435, 8436, 8510 & PEL105
Dimensions: (18 x 9 x 12) in 		$53.00
5100.00 Clip - Safety Alligator - Red (1000V CAT IV, 15A, UL V2) $11.50
5100.04 Clip - Safety Alligator - Blue (1000V CAT IV, 15A, UL V2) $11.50
5100.07 Lead - set of 2, 5 ft color-coded (red/black) PVC w/ 4mm ST/ST plugs $25.00
2140.53 Cat.# 2140.53 DISCONTINUED Click on replacement items: Cat #5000.99: Clip - Safety Alligator - Black (1000V CAT IV, 15A, UL V2)).; $0.00 Discontinued
2140.55 Cat.# 2140.55 DISCONTINUED Click on replacement items: Cat #5100.05: Clip - Safety Alligator - White (1000 V CAT IV, 15 A, UL) $0.00 Discontinued
Model
Cat. #2118.09
DescriptionCase – General Carrying Case — Dimensions: (13 x 9.5 x 3) in
List Price$73.50
Model
Cat. #2119.94
DescriptionAdapter - BNC (Female) to 4mm Banana (Male) 600V CAT III
List Price$23.25
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) in.
For use with PEL Models: PEL 102 and PEL 103, DMM/Oscilloscope/Power Analyzer Model: OX 5042B, Megohmmeters Models: 5050, 5060, 5070 & 6505, 6550 & 6555.Data Loggers Models: DL913 & DL 914.
List Price$36.00
Model
Cat. #2133.73
DescriptionExtra Large Classic Tool Bag Replacement for Models: 3945/3945-B, 6240, 6255, 6292, 6471, 6505, 5050, 5060, 5070, 8333, 8335, 8336, 8435, 8436, 8510 & PEL105
Dimensions: (18 x 9 x 12) in
List Price$53.00
Model
Cat. #5100.00
DescriptionClip - Safety Alligator - Red (1000V CAT IV, 15A, UL V2)
List Price$11.50
Model
Cat. #5100.04
DescriptionClip - Safety Alligator - Blue (1000V CAT IV, 15A, UL V2)
List Price$11.50
Model
Cat. #5100.07
DescriptionLead - set of 2, 5 ft color-coded (red/black) PVC w/ 4mm ST/ST plugs
List Price$25.00
Model
Cat. #2140.53
DescriptionCat.# 2140.53 DISCONTINUED Click on replacement items: Cat #5000.99: Clip - Safety Alligator - Black (1000V CAT IV, 15A, UL V2)).;
List Price$0.00
Discontinued
Model
Cat. #2140.55
DescriptionCat.# 2140.55 DISCONTINUED Click on replacement items: Cat #5100.05: Clip - Safety Alligator - White (1000 V CAT IV, 15 A, UL)
List Price$0.00
Discontinued

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