Technical Specifications
| Specification | Value / Description |
|---|---|
| Product Name | Surpa 158-2 ESD Wrist Strap Tester |
| Product Code (Model) | Surpa 158-2 |
| Main Functions | Checks the resistance of the ESD wrist strap and determines PASS/FAIL status. |
| Test Resistance Range | 0.75 MΩ ~ 35 MΩ (adjustable upon request) |
| Power Supply | 9V DC battery (optional external power adapter AC 220V / DC 9V) |
| Result Display | 3-color LED (PASS – GOOD / LOW – FAIL / HIGH – FAIL) + audible buzzer alarm |
| Accuracy | ±10% |
| Device Dimensions | 135 mm (L) × 90 mm (W) × 35 mm (H) |
| Weight | ~ 250 g (excluding battery) |
| Enclosure Material | ESD-safe ABS plastic, lightweight, durable, and impact-resistant |
| Color | Light Gray / White (depending on production batch) |
| Operating Temperature | 0℃ ~ 40℃ |
| Ambient Humidity | 20% ~ 85% RH (non-condensing) |
| Main Applications | Cleanroom, SMT production line, electronics factory, laboratory, EPA (Electrostatic Protected Area) |
| Origin | Surpa – China |
| Warranty | 12 months official warranty |
Product Overview – Surpa 158-2 Wrist Strap Tester
In electronic, semiconductor, PCB, pharmaceutical, and medical device manufacturing environments, electrostatic discharge (ESD) is always a potential risk that can damage products and reduce production quality. To effectively control ESD (Electrostatic Discharge), antistatic wrist straps are widely used by personnel. However, to ensure the wrist straps function properly and safely, enterprises need a dedicated testing device.
Surpa 158-2 ESD Wrist Strap Tester It was developed as an intelligent solution to quickly and accurately check the conductivity of wrist straps, cords, and grounding capability. The product is highly regarded for its durability, ease of use, and compact design, making it suitable for various production environments that require ISO, ESD, and GMP compliance.
Product Description Surpa 158-2 wrist strap

Full Product Name, Model Number
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Tên: Surpa 158-2 ESD Wrist Strap Tester
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Product Code: 158-2
Main Material
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Outer Casing Made of Premium ABS PlasticScratch-resistant, corrosion-resistant, lightweight yet sturdy
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The resistance testing components are manufactured using advanced technology to ensure high accuracy.
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The LED display panel combined with a clear audible alarm allows users to easily recognize the test results.
Dimensions – Color – Weight
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Size: 150 × 90 × 40 mm (compact, easy to install on a workbench or wall)
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Color: White – blue, characteristic colors of cleanroom equipment
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Weight: ~ 400 g
Typical Specifications
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Measured Resistance: 0.75 MΩ – 35 MΩ (International standard for ESD wrist straps)
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Power Supply: 9V Battery or 220V/9V Adapter (optional)
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Display: 3-color LED (Pass – Fail High – Fail Low) + Buzzer
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Accuracy: ±10%
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Response Time: < 1 second
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Operating Temperature: 0 – 50°C
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Operating Humidity: 10 – 90% RH
Versatile Applications Surpa 158-2 Wrist Strap Tester

The Surpa 158-2 device is applied in various fields requiring strict electrostatic discharge (ESD) control:
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Cleanrooms for manufacturing electronic components, semiconductors, and SMT circuit boardsEnsures personnel are always properly grounded during operation.
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Pharmaceutical, cosmetic, and medical device factories:Prevents static electricity from affecting sensitive products.
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Laboratories, hospitals, and research centers:Enhances safety for analytical equipment and the working environment.
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Electrostatic Protected Areas (EPA zones):Quick check before entering sensitive areas.
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For use by individuals, workstations, and production lines.:Installed at entrances, in front of workbenches, or in main production areas.
Product Benefits Surpa 158-2 Wrist Strap
The Surpa 158-2 Wrist Strap Tester provides numerous practical benefits:
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Ensures production safetyHelps quickly verify the condition of wrist straps, preventing electrostatic discharge risks that may damage components.
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Enhances productivityTesting takes only 1–2 seconds, allowing personnel to operate continuously without interrupting the production line.
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Compliant with international standardsSupports enterprises in achieving ISO 9001, ESD S20.20, GMP compliance
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Long-term cost savings:Minimizes ESD-induced damage, reducing maintenance costs and product defects.
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Enhance corporate credibility:Customers and partners have greater confidence when the factory is equipped with a professional ESD control system.
Surpa 158-2 제품의 구조 및 설계

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Smart Design: Compact, easy to wall-mount or place on a workstation.
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Visual Display Panel: 3 đèn led chỉ báo (Đạt – Lỗi cao – Lỗi thấp) cùng âm thanh cảnh báo.
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Standard Connector: Integrated standard wrist strap jack 4mm / 10mm.
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Quality Material: Anti-static ABS plastic, high-precision electronic circuit board.
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Power options: pin 9V tiện lợi hoặc adapter điện xoay chiều ổn định.
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Easy maintenance. Quick battery replacement, low component failure rate.
Instructions for use and precautions
Operating Instructions
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Connect the device to the power supply (battery or adapter).
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Insert the wrist strap cord plug into the device jack.
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The operator wears the wrist strap and touches the metal test button.
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LED Indicator:
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Green (Pass) Wrist strap within standard
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Red (Low/High) Defective wrist strap or faulty cord
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If an error is indicated, replace the wrist strap/cord immediately.
Cleaning & Maintenance
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Wipe the device regularly with a soft dry cloth, avoiding moisture.
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Replace the battery when the power indicator is weak or test results are unstable.
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Regularly check the cord and jack connection to ensure stable results.
Precautions for Use
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Do not place in excessively humid or high-temperature environments.
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Do not place in excessively humid or high-temperature environments.
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Do not subject the product to strong impacts or drops.
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Use only the recommended type of battery/adapter.
Place to buy – reputable and high-quality address
If you are looking for the Surpa 158-2 wrist strap tester that meets strict standards in industrial production environments, cleanrooms, or ESD control areas – then Goma Food Machinery is the reliable choice.
We are committed to providing our customers with Comprehensive solution with genuine products, in-depth technical consulting, clear warranty, and the most competitive pricing in the market.
In addition, to serve customers in Northern Vietnam, customers can directly contact official authorized distribution partner:
AN BINH VINA TRADING & SERVICE CO., LTD
📍 AddressKha Ly Thuong Residential Group, Quang Minh Ward, Viet Yen Town, Bac Giang Province
📞 Hotline: 0866 732 555 (7:30 AM – 10:00 PM)
📧 Email: Email: anbinhvinaKL@gmail.com





Review Surpa 158-2 ESD Wrist Strap Tester