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Logging and Measuring AC Current

Onset’s split-core AC current sensors can be plugged directly into any of the HOBO H8 series or HOBO U12 series of data loggers that have external input channels. Use the the HOBO external input data loggers shown below to data log AC currents in the ranges of 0-20, 0-50, 0-100, 0-200, and 0-600. Some models include other built-in sensors (e.g, temperature, relative humidity, light intensity) or have the capability to accept other external probes and inputs (e.g., temperature, DC voltage, 4-20mA).

Current transformer
Split-Core AC Sensors
  • Range available (AC Amps): 0-20, 0-50, 0-100, 0-200, 0-600
  • Accuracy with H8 series of data loggers: ±5.0% of full scale
  • Accuracy with U12 series of data loggers: ±4.5% of full scale
  • Response time: CTV-A approximately 440 milliseconds, CTV-B approximately 200 milliseconds, CTV-C approximately 100 milliseconds, CTV-D approximately 450 milliseconds, CTV-E approximately 490 milliseconds (from 10% to 90% of amplitude)
  • Input current: AC current, sine wave, single phase 50 Hz or 60 Hz, load power factor 0.5 to 1.0 lead or lag
  • Voltage rating: 600 VAC
  • Construction and operating environment: Molded plastic housing for indoor use per UL508; pivoting leg (leg on CTV-D and CTV-E units is fully removable).
  • 1.8m cable (6 foot)

*Notes:
1) AC current sensors are not CE approved
2) AC current sensors are not designed for use with Intrinsically Safe (IS) loggers

Part Number Range Window Size Length Width Height Price
CTV-A 0-20 Amps AC 1.10 x .90" 2.9" 2.58" 1.04" $86.00
CTV-B 0-50 Amps AC 1.10 x .90" 2.9" 2.58" 1.04" $86.00
CTV-C 0-100 Amps AC 1.10 x .90" 2.9" 2.58" 1.04" $86.00
CTV-D 0-200 Amps AC 1.54 x 1.26" 3.92" 4.72" 1.14" $109.00
CTV-E 0-600 Amps AC 2.92 x 2.46" 5.3" 5.91" 1.12" $109.00
HOBO External Input Data Loggers

The following are some of the HOBO data loggers with external inputs can record from the output of the Split Core AC sensors.

HOBO U12 4 Channel External Input Data Logger
  • 4 channels that accepts external sensors and probes
  • 12 Bit Resolution
  • Connects to USB
More Information
Price: $99.00    Part Number: U12-006
HOBO U12 4 Channel External Input Data Logger
HOBO U12 Outdoor/Industrial 4 External Channel Logger
  • 4 channels that accepts external sensors and probes
  • Weatherproof housing
  • 12 Bit Resolution
  • Connects to USB
More Information
Price: $199.00    Part Number: U12-008
HOBO U12 Outdoor/Industrial 4 External Channel Logger
HOBO U12 Temp/RH/2x External Data Logger
  • 4 channels: temperature, RH, 2 external inputs
  • 12-bit resolution
  • Connects to USB
More Information
Price: $125.00    Part Number: U12-013
HOBO U12 Temp/RH/2x External Data Logger
4-Channel External Data Logger
  • 4-channel external input data logger
  • Accepts external sensors and input cables for temperature, AC current, 4-20mA, 0 - 2.5 vdc
  • 8 bit resolution, 32k memory
More Information
Price: $115.00    Part Number: H08-006-04
4-Channel External Data Logger
HOBO H8 Outdoor Industrial Logger
  • Suitable for outdoor and industrial environments
  • 4-channel external input data logger accepts external sensors and input cables for temperature, AC Current, 4-20 milliamps, 0 to 2.5 Volts DC
  • 32k memory
More Information
Price: $199.00    Part Number: H08-008-04
HOBO H8 Outdoor Industrial Logger
HOBO RH, Temperature and & 2 External Input Data Logger
  • 4-channels: temperature, relative humidity and 2 external inputs accepted
  • 8 bit resolution, 8k memory
More Information
Price: $115.00    Part Number: H08-007-02
HOBO RH, Temperature and & 2 External Input Data Logger
Ordering Information
Description Part Number Qty 1-9 Qty 10+  
Split Core AC Sensors:
0-20 Amp split-core AC Current Sensor CTV-A
$86.00 $80.00
0-50 Amp split-core AC current sensor CTV-B
$86.00 $80.00
0-100 Amp split-core AC current sensor CTV-C
$86.00 $80.00
0-200 Amp split-core AC Current Sensor CTV-D
$109.00 $101.00
0-600 Amp split-core AC Current Sensor CTV-E
$109.00 $101.00
Optional AC Current Line Splitter
Extech 3-Prong AC Line Separator 480172
$15.00 call
HOBO External Input Data Loggers:
HOBO U12 4 Channel External Input Data Logger U12-006
$99.00 $93.00
HOBO U12 Outdoor/Industrial 4 External Channel Logger U12-008
$199.00 $184.00
HOBO U12 Temp/RH/2x External Data Logger U12-013
$125.00 $116.00
HOBO 4-Channel External Data Logger H08-006-04
$115.00 $107.00
HOBO H8 Outdoor Industrial logger, 4 external channels H08-008-04
$199.00 $176.00
HOBO RH/Temp/2xExternal, 4 channels H08-007-02
$115.00 $107.00
HOBO Temp/External, 2 channels Data Logger H08-002-02
$85.00 $79.00
Choose software and cable kit:        
BoxCar Pro 4.3 Software and Serial Cable Kit BCP4.3-DL
$110.00 $103.00
BoxCar 3.7 Software and Serial Cable Kit BC3.7
$39.00 $37.00
Extra/Replacement Batteries (pack of 5) - CR2032 lithium batteries HRB-Temp-5
$8.00 $7.00
  • You may change quantities from within your cart.
  • If you do not wish to order online call us toll free at 877-275-9606 between the hours of 9-5 Eastern Standard time.
  • For more information on external cables and sensors click here .

Note: A Box Car Pro or Box Car 3.7 starter kit is required to operate any of the H8 Family loggers. Each Box Car starter kit includes software, PC interface cable and software manual.  A HOBOware Software Kit is required to operate any of the U12 series loggers.

 

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