High-Performance Micro Static Eliminators

SJ-M series

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This model has been discontinued.
Compliance with the certification standard is ensured as of the time of shipment from our company.

Spot Type Main Unit, Head Cable 2-m and Standard Needle SJ-M021

SJ-M021 - Spot Type Main Unit, Head Cable 2-m and Standard Needle

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

Data Sheet (PDF)


CAD Data

360°view (3D PDF)

  • CE Marking
  • CSA





Static Elimination Head

Voltage application method

Pulse AC method

Applied voltage

±5.5 kV

Rated output voltage

±6 kV

Ion balance control method

I.C.C. method

Static elimination time

0.5 sec max.*1

Ion balance

±15 V or less*2

Supply pressure range

0.001 to 0.5 MPa*3

Min. air pressure

With SJ-ML

0.02 MPa (20 Nl/min)

With SJ-MS/ML1

0.03 MPa (20 Nl/min)

With SJ-MS/ML2

0.02 MPa (20 Nl/min)

With SJ-MS/ML3

0.08 MPa (50 Nl/min)

With SJ-MS/ML4

Control input

Static elimination stop input

Non-voltage input

Control output

Alarm output

NPN open collector 100 mA (40 V or less)

Ion level alarm output

Condition alarm output


Power voltage

24 VDC ±10 %

Current consumption

450 mA or less

Environmental resistance

Ambient temperature

0 to +80 °C 32 to 176 °F*4*5

Relative humidity

35 to 65 % RH


Approx. 600 g

*1 At installation distance 50 mm 1.97", air flow 60 Nl/min (ambient temperature 20 to 30 °C 68 to 86 °F, relative humidity 40 to 60 %)
*2 Values obtained at an installation distance of 50 mm 1.97" and air flow rate of 20 Nl/min [ambient operating temperature +20 to +30 °C +68 to +86 °F, ambient operating humidity 40 to 60 % RH] (without nozzle)
*3 Inquire for derating of humidity/pressure in environments exceeding +35 °C 95 °F. Use clean or dry air at a temperature of -20 °C -4 °F or less. Min. air pressure varies by nozzle used.
*4 Use a supplied fluid with a temperature of 40 °C 104 °F or less.
*5 Only for the pressure cable. Other parts should be used with an ambient temperature of 0 to 40 °C 104 °F.

Data Sheet (PDF) Other Models