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Electrostatic Voltmeter

Electrostatic on-line monitor(sensor) parameters
Rated voltage DC:12V
Device power consumption 0.6W
Working temperature -40°C~85°C
Working humidity 0~100%RH
Signal output RS485
Communication distance <500m
Data update period 3-5 times/sec
LED Level 1: Yellow Level 2: Orange Level 3: Red
Normal Green
Alarm indication Buzzer
Startup stand-by time 5S
Electrostatic field measurement range 0~+/-2000V
Resolution 1V
Accuracy (25mm) measurement 0-30V, <1V ; 31V-2000V, <5%
Notes
This product can be designed into a bar shape according to the production line, and real-time online monitoring and alarm of All-round
static voltage static voltage can be carried out for large-area production, which can ensure that the product won’t be interfered by static
electricity.
Generally, for the measured object, the larger area and the closer distance between the probe and the measured object, the testing
accurancy would be higher. After the probe is installed, The deviations of the shape of the tested object and the test distance can be
compensated by calibration.
The probe is grounded. The metal casing is grounding through the bracket.

Networking Method
Probe to data collector: RS485.
Data collector to computer: TCP/IP network cable.
When multiple probes are networked, the data collector is connected to a serial server (PoE, RS485) through a network cable, and the
serial server is also connected to a computer through a network cable.
Pic 4 Upper computer software
The output protocol format of the digital signal output port is ASCII code, and the data is separated by spaces. The
specific content is shown in form 1.
Temperature Humidity Voltage
Frame header Sensor value Sensitivity Frame end
(°C) (%) (kV)
BG %6.2f %7.2f %7.2f %7.2f %7.2f /r/n

Table 1 Limited Digital Signal Output Protocol
The sensor can work independently, communicate directly with the computer through the serial port protocol, and also can detect by
multiple sensors in network. The figure shows two typical network detection methods.

Application

Electrostatic sensor

Electrostatic sensor
Serial Server Router Router Computer

Electrostatic sensor
Typical networking detection application 1

Electrostatic sensor GPRS DTU

Electrostatic sensor GPRS DTU Computer

Electrostatic sensor GPRS DTU
Typical networking detection application 2

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