High-precision Electrostatic SensorSK series

SK-1050

Amplifier unit Expansion unit

SPECIFICATIONS

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Model

SK-1050

Type

DIN rail mounting

Main unit/expansion unit

Expansion Unit

Display

Display resolution

0.001 kV

Display range

±99.999 kV to 99 kV (4-level selection available)

Analogue voltage output

N/A

Analogue current output

Control input

Zero-shift input

Non-voltage input*1

Timing input

Reset input

Bank input

Control output

Judgement output

Open collector output (NPN/PNP switching, N.O./N.C. switching)*2

Alarm output

Open collector output (NPN/PNP switching, N.C.)*2

Power supply

Power supply voltage

Supplied from main unit*3

Power consumption

1170 mW or below (39 mA or below with 30 V) (excluding load current of each output)*4

Environmental resistance

Ambient temperature

0 to +50 °C (No freezing or condensation)

Relative humidity

10 to 85 % RH (No condensation)

Material

Body case and front cover : PC , Key top : POM , Cable : PVC

Weight

Approx. 140 g (including accessories)

*1 Inputs are assigned to the four external input lines. Non-voltage input rating : ON voltage 2 V or lower, OFF current 0.02 mA or lower. Voltage input rating : maximum input rating is 30 V, ON voltage 7.5 V or higher, OFF current 0.05 mA or below.
*2 NPN open collector output rating : maximum 50 mA/ch (20 mA/ch when expansion units are added) 30 V or below, residual voltage 1 V or below (1.5 V or below when adding 6 or more expansion units, including main unit). PNP open collector output rating : maximum 50 mA/ch (20 mA/ch when expansion units are added) below power supply voltage, residual voltage 2 V or below (2.5 V or below when adding 6 or more expansion units, including main unit).
*3 Use 20 to 30 V as power supply voltage when 6 or more expansion units, including main unit, are to be used.
*4 When connecting 8 units for DL connection, maximum power is consumption 11.3 W.

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