Description

Easy and simple: Just open the power meter and wrap around the power cable you want to measure. The rate at which it blinks is proportional to the output current. The VPLog-i offers the best solution for power measurements in audits or in less critical measurements.

The VPLog-i is available in two models, where the main difference is the output signal.

VPLog-i offers a 4..20mA and pulse output.
VPLog-i-R features an RS485 (Modbus RTU) output.

Power Meter Features/ Benefits

Very easy and quick installation
Plug and play
For short-term and permanent measurements

Applications

Power consumption of large consumers (i.e. compressors, dryers, pumps, water chillers)
Submetering
Cost allocation
Baseline condition monitoring
Energy management
Efficiency calculations (i.e. compressor electrical usage vs output)

Specifications

	VPLog-i	VPLog-i-R
Accuracy	+/- 1% full scale.	+/- 1% full scale.
Power supply	6 .. 30 Vdc	7 .. 28 Vdc
Power consumption	4 … 20 mA	11 mA
Current input (measurement range)	5 models available from 100 to 1500 Amps.	100 .. 1600 A-rm
Outputs	4 … 20 mA and Pulse	RS485 (Modbus RTU)
Pulse rate	0 … 2.66 Hz	N.A.
Coil diameter	7 mm \| 0.28″	6 mm \| 0.24″
Housing W x H x D	26.7 x 41.4 x 13.6 mm \| 1.1 x 1.6 x 0.6”	26.7 x 41.4 x 13.6 mm \| 1.1 x 1.6 x 0.6”
Operation temperature range	-20 … 70 °C \| -4 … 158 °F	20 … 70 °C \| -4 … 158 °F
Coil length	170 mm \| 6.7″, 250 mm \| 9.8″	250 mm \| 9.8″

Documentation

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VPLog-i /-R

The easiest power meter in the world. The VPLog-i is a Rogowski type coil that measures AC currents (true-RMS on a single-phase power cable). Just open the sensor and wrap around the power cable you want to measure. The LED provides feedback.

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	VPLog-i	VPLog-i-R
Accuracy	+/- 1% full scale.	+/- 1% full scale.
Power supply	6 .. 30 Vdc	7 .. 28 Vdc
Power consumption	4 … 20 mA	11 mA
Current input (measurement range)	5 models available from 100 to 1500 Amps.	100 .. 1600 A-rm
Outputs	4 … 20 mA and Pulse	RS485 (Modbus RTU)
Pulse rate	0 … 2.66 Hz	N.A.
Coil diameter	7 mm \| 0.28″	6 mm \| 0.24″
Housing W x H x D	26.7 x 41.4 x 13.6 mm \| 1.1 x 1.6 x 0.6”	26.7 x 41.4 x 13.6 mm \| 1.1 x 1.6 x 0.6”
Operation temperature range	-20 … 70 °C \| -4 … 158 °F	20 … 70 °C \| -4 … 158 °F
Coil length	170 mm \| 6.7″, 250 mm \| 9.8″	250 mm \| 9.8″