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          Electrostatic SensorSK series

          SK-1000

          Amplifier unit Main Unit

          SPECIFICATIONS

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          Model

          SK-1000

          Type

          DIN rail mounting

          Main unit/expansion unit

          Main unit

          Display

          Display resolution

          0.001 kV

          Display range

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

          Analogue voltage output

          ±5 V, 1 to 5 V, 0 to 5 V, output impedance 100 Ω*1

          Analogue current output

          4 to 20 mA, maximum load resistance 350 Ω*1

          Control input

          Zero-shift input

          Non-voltage input*2

          Timing input

          Reset input

          Bank input

          Control output

          Judgement output

          Open collector output (NPN/PNP switching, N.O./N.C. switching)*3

          Alarm output

          Open collector output (NPN/PNP switching, N.C.)*3

          Power supply

          Power supply voltage

          10 to 30 VDC, including 10% ripple (P-P)*4

          Power consumption

          1650 mW or below (55 mA or below with 30 V) (excluding load current of each output)*5

          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. 150 g (including accessories)

          *1 ±5 V, 1 to 5 V, 0 to 5 V, or 4 to 20 mA selected for use.
          *2 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.
          *3 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).
          *4 Use 20 to 30 V as power supply voltage when 6 or more expansion units, including main unit, are to be used.
          *5 When connecting 8 units for DL connection, maximum power is consumption 11.3 W.

          Static Eliminators / Ionisers