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          Electrostatic Sensor

          SK series

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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.

          Model

          SK-050

          Charge potential measurement

          Measurement mode

          High-precision mode, Wide-range mode

          Reference distance

          High-precision mode

          25 mm 0.98"

          Wide-range mode

          100 mm 3.94"

          Measuring distance

          High-precision mode

          5 to 50 mm

          Wide-range mode

          60 to 120 mm

          Measuring range

          High-precision mode

          ±2kV*1

          Wide-range mode

          ±50kV*1

          Measuring accuracy

          High-precision mode

          ±10V

          Wide-range mode

          ±100 V*2*3

          Sampling cycle

          Approx 1.4 ms

          Temperature measurement

          Measuring range

          0 to +50°C 32 to 122°F

          Measuring accuracy

          ±1°C 30.2 to 33.8°F*4

          Display resolution

          0.1°C 32.2°F

          Sampling cycle

          1 s

          Humidity measurement

          Measuring range

          10 to 85% RH

          Measuring accuracy

          ±5% RH*4

          Display resolution

          0.1% RH

          Sampling cycle

          1 s

          Charge monitor function

          Ion balance measuring mode

          Ion balance measuring range

          ±1 kV*5

          Measured voltage display resolution

          ±10 V*5*6

          1 V*5

          Environmental resistance

          Ambient temperature

          0 to +50 °C 32 to 122 °F (No freezing or condensation)

          Relative humidity

          10 to 85 % RH (No condensation)

          Material

          Body case : PC, Metal parts : SUS, Cable : PVC

          Weight

          Approx. 35 g

          *1 If the distance to the sensing target is shorter than the reference distance, even if the conditions are within the measurable range, measurement cannot be performed up to the upper limit of the measuring range.
          *2 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 a mean of 256 measurements.
          *3 Measuring accuracy is satisfied in the range of ±30 kV.
          *4 25°C 77°F, 50% RH.
          *5 OP-87934 is required.
          *6 Within ±100 V. In other ranges, display value has an accuracy of ±10% (display value).

          Model

          SK-1000

          SK-1050

          Type

          DIN rail mounting

          Main unit/expansion unit

          Main unit

          Expansion 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

          N/A*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

          Supplied from main unit*4

          Power consumption

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

          1170 mW or below (39 mA or below with 30 V) (excluding load current of each output)*5

          Environmental resistance

          Ambient temperature

          0 to +50 °C 32 to 122 °F (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)

          Approx. 140 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.

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