High-precision Electrostatic SensorSK series

SK-H050

Main unit

SPECIFICATIONS

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Model

SK-H050

Charge potential measurement

Measurement mode

High-precision mode, Wide-range mode

Measuring distance

High-precision mode

25 mm 0.98"

Wide-range mode

100 mm 3.94"

Measuring range

High-precision mode

±2 kV

Wide-range mode

±50 kV

Measuring accuracy

High-precision mode

±10 V*1

Wide-range mode

±100 V*1*2

Display resolution

0 to 999 V : 1 V, 1.00 to 9.99 kV : 0.01 kV. 10.0 kV and higher : 0.1 kV

Sampling cycle

Approx 1.4 ms

Temperature measurement

Measuring range

0 to +40℃ 32°F to 104°F

Measuring accuracy

±1°C 30.2 to 33.8°F*3

Display resolution

0.1°C 32.2°F

Sampling cycle

1 s

Humidity measurement

Measuring range

10 to 85% RH

Measuring accuracy

±5% RH*3

Display resolution

1% RH

Sampling cycle

1 s

Charge monitor function

Ion balance measuring mode

Ion balance measuring range

±1 kV*4

Measured voltage display resolution

±10 V*4*5

1 V*4

Static elimination time measuring mode

Charge voltage

±1400 V*4

Static elimination time display resolution

0.1 s*4

Measuring time

0 to 99 s*4

Laser class

Class 1 Laser Product (IEC60825-1 : 2014, FDA (CDRH) Part 1040.10*6)

PC interface

USB 2.0 Full Speed

Power supply

2 AA alkaline dry-cell batteries

Power supply

Operating time

8 hours (in charge potential measuring mode)

Environmental resistance

Ambient temperature

0 to +40 °C 32 to 104 °F (No freezing or condensation)

Relative humidity

10 to 85 % RH (No condensation)*7

Material

SK-H050 : PC-ABS, PC, SUS/SK-H055 : PC, SUS, PTFE, PVC

Weight

SK-H050: Approx. 240 g, SK-H055: Approx. 220 g

*1 Within ±100 V when using high-precision mode; within ±1 kV when using wide-range mode. In other ranges, display value has an accuracy of ±10% (display value). Values are obtained from measurements with a response time of 0.8 seconds.
*2 Measuring accuracy is satisfied in the range of ±30 kV.
*3 25°C 77°F, 50% RH.
*4 SK-H055 is required.
*5 Within ±100 V. In other ranges, display value has an accuracy of ±10% (display value).
*6 The laser classification for FDA (CDRH) is implemented based on IEC60825-1 in accordance with the requirements of Laser Notice No. 50.
*7 10 to 60 % RH when using SK-H055.

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