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SE-SFM-030 Static Electric Fieldmeter

Handheld non-contact surface charge measurement up to 200 kV — two auto-selected ranges, polarity display, hold function
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SE_SFM_Dimensions

Product Description

The FÖGE SE-SFM-030 is a precision handheld static electric fieldmeter designed for engineers, process technicians and quality managers who need to investigate, quantify and diagnose static electricity problems on industrial production lines. Static charge is invisible and imperceptible until it is strong enough to cause an operator shock — by which point it may already have caused dust contamination, coating failures, material misalignment or damage to electronic components. The SE-SFM-030 makes the invisible visible: it measures the electrostatic surface voltage on any non-conductive material or surface at a fixed 100 mm distance, displaying the magnitude in volts and the polarity — positive or negative. The meter covers zero to 200,000 volts (200 kV) across two automatically selected ranges: 0–20 kV with 10 V resolution, and 20–200 kV with 100 V resolution. Accuracy at calibration is ±5%. A hold function freezes the reading — essential when the measurement position is awkward. Battery-powered and fully portable, the SE-SFM-030 is supplied complete with a carrying case, battery and earth cord, and is the essential companion tool for installing, commissioning and troubleshooting any FÖGE static elimination system.

Industries

Plastics & Film (winding, converting, thermoforming, extrusion)
Printing & Converting (substrate charge investigation)
Packaging (sealing, labelling, form-fill-seal)
Electronics & ESD-Sensitive Manufacturing
Automotive (plastic panels, paint booth investigation)
Textiles (weaving, slitting, fabric charging)
Pharmaceutical & Medical (cleanroom charge control)
Paper & Board (heavyweight substrate charge)
Any industry using FÖGE static elimination equipment
Non-contact electrostatic surface voltage measurement at fixed 100 mm distance
Measurement range up to 200,000 V (200 kV) — covers the full range of industrial static charges
Two auto-selected ranges: 0–20 kV (10 V resolution) and 20–200 kV (100 V resolution) — no manual switching
Polarity display — positive (+) or negative (−) charge indication
Hold function — freezes the reading for difficult measurement positions
Accuracy ±5% at calibration
Battery-powered — fully portable, no mains supply needed
Supplied complete: carrying case + battery + earth cord
Compact handheld design — use anywhere on the production floor
Request a Quote
Download Datasheet

Product Description

The FÖGE SE-SFM-030 is a precision handheld static electric fieldmeter designed for engineers, process technicians and quality managers who need to investigate, quantify and diagnose static electricity problems on industrial production lines. Static charge is invisible and imperceptible until it is strong enough to cause an operator shock — by which point it may already have caused dust contamination, coating failures, material misalignment or damage to electronic components. The SE-SFM-030 makes the invisible visible: it measures the electrostatic surface voltage on any non-conductive material or surface at a fixed 100 mm distance, displaying the magnitude in volts and the polarity — positive or negative. The meter covers zero to 200,000 volts (200 kV) across two automatically selected ranges: 0–20 kV with 10 V resolution, and 20–200 kV with 100 V resolution. Accuracy at calibration is ±5%. A hold function freezes the reading — essential when the measurement position is awkward. Battery-powered and fully portable, the SE-SFM-030 is supplied complete with a carrying case, battery and earth cord, and is the essential companion tool for installing, commissioning and troubleshooting any FÖGE static elimination system.

Industries

Plastics & Film (winding, converting, thermoforming, extrusion)
Printing & Converting (substrate charge investigation)
Packaging (sealing, labelling, form-fill-seal)
Electronics & ESD-Sensitive Manufacturing
Automotive (plastic panels, paint booth investigation)
Textiles (weaving, slitting, fabric charging)
Pharmaceutical & Medical (cleanroom charge control)
Paper & Board (heavyweight substrate charge)
Any industry using FÖGE static elimination equipment
Non-contact electrostatic surface voltage measurement at fixed 100 mm distance
Measurement range up to 200,000 V (200 kV) — covers the full range of industrial static charges
Two auto-selected ranges: 0–20 kV (10 V resolution) and 20–200 kV (100 V resolution) — no manual switching
Polarity display — positive (+) or negative (−) charge indication
Hold function — freezes the reading for difficult measurement positions
Accuracy ±5% at calibration
Battery-powered — fully portable, no mains supply needed
Supplied complete: carrying case + battery + earth cord
Compact handheld design — use anywhere on the production floor
Request a Quote
Download Datasheet
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How It Works

Static electricity is a coulombic charge — it forms a current when it moves, but is difficult to measure when stationary. The SE-SFM-030 measures surface voltage using Q = CV, where Q is the charge on the surface, C is the capacitance between the surface and the meter's sensor, and V is the voltage. The key to accurate measurement is holding the meter at exactly 100 mm from the surface — this fixed distance creates a constant, known capacitance (C). With C fixed, the voltage V varies directly and proportionally with the charge Q. The sensor detects the electrostatic field at 100 mm without touching the surface, and the electronics display the corresponding surface voltage. The two measurement ranges switch automatically when the reading passes the 20 kV threshold.
Request a Quote
Download Datasheet

How to use the SE-SFM-030

Follow these steps for accurate, repeatable measurements:

01

Connect the earth cord to a known earth point (e.g. a grounded machine frame or earth terminal).

02

Switch the meter on and allow 30 seconds for the electronics to stabilise.

03

Hold the sensor end of the meter at exactly 100 mm from the surface to be measured.

04

Point the sensor directly at the surface — do not hold at an angle.

05

Read the voltage and polarity from the display. Note both the sign (+ or −) and the magnitude.

06

If the reading position is awkward, press HOLD to freeze the display, then move to a comfortable position to read the value.

07

To map static distribution, take readings at multiple points across the surface, recording location and value for each.

08

To verify ionisation effectiveness: measure before switching on the ionising equipment, then measure again after — compare to confirm neutralisation.

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Key Features

Non-contact electrostatic surface voltage measurement at fixed 100 mm distance
Measurement range up to 200,000 V (200 kV) — covers the full range of industrial static charges
Two auto-selected ranges: 0–20 kV (10 V resolution) and 20–200 kV (100 V resolution) — no manual switching
Polarity display — positive (+) or negative (−) charge indication
Hold function — freezes the reading for difficult measurement positions
Accuracy ±5% at calibration
Battery-powered — fully portable, no mains supply needed
Supplied complete: carrying case + battery + earth cord
Compact handheld design — use anywhere on the production floor
Request a Quote
Download Datasheet

Use Cases & Applications

Applications What the SE-SFM-030 tells you
Diagnosing static problems Investigate dust contamination, coating defects, or operator shocks caused by static electricity mapping
and identify the cause.
Commissioning ionisation equipment Verify that a newly installed ionising bar, blower or nozzle is correctly positioned and operating at the required neutralisation
level before the line runs at production speed.
Setting acceptance standards Establish measurable static level targets (e.g. surface charge below ±1 kV) that define acceptable performance for the ionisation
system — creating a quantified quality standard.
Routine performance checks Periodically measure static levels at key points on running production lines to confirm that ionisation equipment has not
degraded.
Troubleshooting ESD events Locate the source of electrostatic discharge events in electronics assembly or packaging lines.
Pre- and post-cleaning verification Measure static levels before and after cleaning antistatic bars to confirm that cleaning has restored full ionisation performance.
Material and process investigation Characterise how much static a specific material, machine operation or process speed generates —
to specify the correct ionisation solution from the outset.

What's Included in the Kit

The SE-SFM-030 is supplied as a complete, ready-to-use kit: the SE-SFM-030 fieldmeter, a protective carrying case, a battery (installed and ready), and an earth cord. No additional accessories or power supplies are required — take measurements immediately on receipt.
Request a Quote
Download Datasheet

Technical Specifications

Product code Color Dimensions (mm) Power Consumption Wavelength Datasheet
VL-BAL-25-400-R-24-C30
Red
25 x 400
–
621nm
Download
VL-BAL-25-400-W-24-C30
White
25 x 400
–
6500K
Download
VL-BAL-25-400-G-24-C30
Green
25 x 400
–
528nm
Download
VL-BAL-25-400-B-24-C30
Blue
25 x 400
–
470nm
Download
VL-BAL-25-400-I-24-C30
Infrared
25 x 400
–
940nm
Download
VL-BAL-25-500-R-24-C30
Red
25 x 400
–
621nm
Download

Parameter

Specification

  1. Product number
    SE-SFM-030
  2. Messprinzip
    Non-contact electrostatic field measurement at a fixed distance of 100 mm (Q = CV)
  3. Measuring distance
    100mm - fixed, standardized distance for accurate Q=CV measurement
  4. Measuring range
    0 – 200,000 V (200 kV) — two automatically selected ranges
  5. Area 1
    0 – 20,000 V (0 – 20 kV) · Resolution: 10 V
  6. Area 2
    20,000 – 200,000 V (20 – 200 kV) · Resolution: 100 V
  7. Area selection
    Automatic – no manual switching required
  8. accuracy
    ± 5% (at calibration)
  9. Polarity indicator
    Positive (+) and negative (−) — polarity is displayed on the screen.
  10. Hold Function
    Yes – freezes the display in difficult measuring positions.
  11. Performance
    Battery – included
  12. Included in the scope of delivery
    Carrying case · Battery · Grounding cable
  13. Design
    Handy – portable and suitable for use anywhere on the production floor.
The SE-SFM-030 is supplied as a complete, ready-to-use kit: the SE-SFM-030 fieldmeter, a protective carrying case, a battery (installed and ready), and an earth cord. No additional accessories or power supplies are required — take measurements immediately on receipt.

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What you can determine

What you can determine Why it matters
Location of static charge Identify exactly where on the production line or machine static is accumulating — which material, process step or zone.
Magnitude of charge Quantify how much static is present in volts — from a few hundred volts up to 200 kV — to assess severity and select the correct ionisation solution.
Polarity Determine whether the charge is positive or negative — essential for understanding the generation mechanism and verifying that an AC ioniser is correctly neutralising the charge.
Effectiveness of ionisation equipment Measure static levels before and after installing an ionising bar or blower to confirm the equipment is neutralising charge to the required level.
Charge distribution across a surface Map static levels at multiple points to identify uneven distribution or localised problem areas.
Charge build-up rate Monitor how quickly static accumulates during production to determine the optimal ionisation intensity and cleaning schedule.

Frequently Asked Questions

The SE-SFM-030 measures surface voltage using Q = CV. At 100 mm, the capacitance C is a fixed, known value. Holding at a different distance changes C, making the voltage reading incorrect. Use the distance indicator on the meter or a 100 mm spacer gauge if precise positioning is difficult.
The polarity shows whether the charge is positive or negative. This is important because it reveals how the charge is being generated — certain materials and processes consistently produce one polarity — and confirms that an AC ioniser is correctly neutralising the charge.
The earth cord grounds the meter, providing the reference potential needed for accurate measurement. Without a proper earth connection, the meter can float at an undefined potential and give unstable or incorrect readings. Always connect to a reliable earth point before measuring.
The SE-SFM-030 is designed for non-conductive materials such as plastics, films, paper and textiles. Conductive materials normally drain charge to ground and will show near-zero readings. If a conductive material is electrically isolated and has accumulated charge, the meter may display a reading, but this is not the primary use case.
Annual calibration by a qualified service facility is recommended for instruments in regular use. Contact FÖGE for calibration service options.
Yes. The SE-SFM-030 measures non-contact at 100 mm — the sensor does not need to touch the material or machine. Take care to maintain the correct 100 mm distance and avoid contact with moving parts. For very high-speed webs, take readings from a fixed, stable position.

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