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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
JM861 2110.90 AC Current Probe Model JM861
(30A, 10mV/A; 300A, 1mV/A & 3000A, 0.1mV/A, BNC)
$595.00
ModelJM861
Cat. #2110.90
DescriptionAC Current Probe Model JM861
(30A, 10mV/A; 300A, 1mV/A & 3000A, 0.1mV/A, BNC)
List Price$595.00
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
Model Cat. # Description List Price Quantity/Status
2118.09 General Carrying Case
Dimensions: 13 x 9.5 x 3"
$56.00
2118.46 Adapter - Banana (Female) - BNC (Male) (XM-BB) for use with AmpFlex Sensors, Models K100/K110 and SLII Data Loggers
(600V CAT III)
$44.00
2119.94 Adapter - BNC (Female) to 4mm Banana (Male) 600V CAT III $15.50
2133.72 Compact tool bag for field use.
12 Exterior and 14 Interior pockets
Dimensions: 13.0 x 9.8 x 9.5"
$29.95
2133.73 Bag – Extra Large Classic Tool Bag Replacement for Models 3945/3945-B, 6240, 6250, 6471, 6505, 5050, 5060, 5070, 8333, 8335, 8336 & PEL105
Dimensions: 18 x 9 x 12"
$44.00
2140.52 Clip - Safety Alligator - Red {Rated 1000V CAT IV, 15A, UL} $7.25
2140.53 Clip - Safety Alligator - Black {Rated 1000V CAT IV, 15A, UL} $7.25
2140.54 Clip - Safety Alligator - Blue {Rated 1000V CAT IV, 15A, UL} $7.25
2140.55 Clip - Safety Alligator - White {Rated 1000V CAT IV, 15A, UL} $7.25
2140.56 Clip – Set of 4, Safety Alligator (Red, Black, Blue & White) {Rated 1000V CAT IV, 15A, UL} $30.50
2152.24 Lead - Set of 2, Color-coded (red/black) 5 ft Safety Leads (1000V CAT IV) $20.50
Model
Cat. #2118.09
DescriptionGeneral Carrying Case
Dimensions: 13 x 9.5 x 3"
List Price$56.00
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$44.00
Model
Cat. #2119.94
DescriptionAdapter - BNC (Female) to 4mm Banana (Male) 600V CAT III
List Price$15.50
Model
Cat. #2133.72
DescriptionCompact tool bag for field use.
12 Exterior and 14 Interior pockets
Dimensions: 13.0 x 9.8 x 9.5"
List Price$29.95
Model
Cat. #2133.73
DescriptionBag – Extra Large Classic Tool Bag Replacement for Models 3945/3945-B, 6240, 6250, 6471, 6505, 5050, 5060, 5070, 8333, 8335, 8336 & PEL105
Dimensions: 18 x 9 x 12"
List Price$44.00
Model
Cat. #2140.52
DescriptionClip - Safety Alligator - Red {Rated 1000V CAT IV, 15A, UL}
List Price$7.25
Model
Cat. #2140.53
DescriptionClip - Safety Alligator - Black {Rated 1000V CAT IV, 15A, UL}
List Price$7.25
Model
Cat. #2140.54
DescriptionClip - Safety Alligator - Blue {Rated 1000V CAT IV, 15A, UL}
List Price$7.25
Model
Cat. #2140.55
DescriptionClip - Safety Alligator - White {Rated 1000V CAT IV, 15A, UL}
List Price$7.25
Model
Cat. #2140.56
DescriptionClip – Set of 4, Safety Alligator (Red, Black, Blue & White) {Rated 1000V CAT IV, 15A, UL}
List Price$30.50
Model
Cat. #2152.24
DescriptionLead - Set of 2, Color-coded (red/black) 5 ft Safety Leads (1000V CAT IV)
List Price$20.50

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