Ultra High-Speed, Sensing Ionizers

SJ-H series

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Bar Type Main Unit, Silicon Model 1560 mm SJ-H156C

SJ-H156C - Bar Type Main Unit, Silicon Model 1560 mm

*Please note that accessories depicted in the image are for illustrative purposes only and may not be included with the product.

  • CE Marking
  • CSA






Ion generation method

Corona discharge method


Shockless resistive coupling type

Voltage application method/applied voltage

Pulse AC method, ±7000 V

Ion balance control method

Dual I.C.C. method

Ion balance

±30 V *1 *2

Operating distance

50 to 2000 mm 1.97" to 78.74"

Control input

NPN open collector or contact point signal without voltage

Control output

NPN photo relay, Maximum 100 mA max. (40 V or less)

Major functions

Condition alarm, ion level alarm, alarm output

Air purge connection port

Rc 1/8

Air purge supplied pressure

0.5 MPa or less *3

Effective length

1560 mm 61.42" *4

No. ofelectrodes


Static elimination bar length

1520 mm 59.84"


Power voltage

24 VDC to 36 VDC ±10%

Current consumption

500 mA (at 24 V), 350 mA (at 36 V)

Overvoltage category


Pollution degree


Environmental resistance

Ambient temperature

0 to +40°C 32 to 104°F

Relative humidity

35 to 85% RH (no condensation)


Electrode probe


Main unit



Static elimination bar

1550 g 54.67 oz

*1 Measured under the following conditions.
Installation distance: 300 mm 11.81" (22 Hz), 600 mm 23.62" (10 Hz), 1500 mm 59.06" (1 Hz)
Operating ambient temperature: 0 to +40°C 32 to 104°F
Operating ambient humidity: 35 to 65% RH
* 0.3 m/s 1.3'/s downflow
*2 Contact KEYENCE for SJ-HC type.
*3 Contact KEYENCE when using the air purge function with intermittent air supply.
*4 Effective length is for static elimination range when installation distance is 50 mm 1.97".

Data Sheet (PDF) Other Models