Surface Resistance Tester Handheld ESD Resistivity Measuring Instrument

概要：

SANWEI Surface Resistance Tester is a professional handheld device for anti-static testing. It accurately measures surface resistance, resistivity, and grounding performance of various materials.

This lightweight, easy-to-operate tester is widely used in electronics factories, cleanrooms, workshops, and laboratories. It helps check ESD floors, mats, packaging, and equipment to ensure they meet static-control standards.

By quickly detecting conductive, static-dissipative, and insulating properties, it effectively reduces ESD risks and protects sensitive electronic components.

With stable performance and high accuracy, SANWEI Surface Resistance Tester is an essential tool for quality control and safe ESD management.

The surface resistance tester (also referred to as an ESD surface resistance tester or surface resistivity tester) is a dedicated measurement instrument designed to accurately determine the surface resistance value of materials, thereby evaluating their conductive properties, static dissipative capability, and insulating characteristics.

Working Principle and Core Technology

The surface resistance tester operates on the principle of DC voltage resistance measurement. It applies a known voltage to the surface of the material under test and measures the resulting current flowing across the surface. The resistance value is then calculated according to Ohm’s law. Most modern instruments offer two test voltages – 10 V and 100 V – with automatic range switching: for example, when the resistance is ≥1×10⁶ Ω, the instrument applies 100 V; when the resistance lies between 1×10⁴ Ω and 1×10⁶ Ω, it uses 10 V. This ensures optimal measurement accuracy across different material types.

Wide Measurement Range and Precision Classification

A high‑quality surface resistance tester typically covers a broad measurement range from 10³ Ω to 10¹² Ω, making it suitable for testing everything from conductive materials to insulators. Different models feature various display methods – some use LED indicators to visually show the resistance range: green for conductive (10³–10⁶ Ω), yellow for static‑dissipative (10⁷–10¹¹ Ω), and red for insulative (≥10¹² Ω). Others employ LCD or OLED digital displays for more precise numeric readings. Measurement accuracy generally reaches ±10 %, with high‑end models achieving up to ±0.5 order of magnitude.

Flexible Test Methods and Electrode Configurations

The surface resistivity test method complies with multiple international standards, including ASTM D257, IEC 62631‑3‑2, and GB/T 1410. To accommodate diverse testing scenarios, a surface resistance tester is usually equipped with or offers optional electrodes: parallel electrodes for rapid screening, weighted electrodes (2.27 kg or 2.5 kg) for point‑to‑point surface resistance measurement, concentric ring electrodes for surface resistivity testing in accordance with EOS/ESD S11.11, and two‑point electrodes for small‑area measurements. The dimensions, contact pressure, and material of these electrodes are specified by the relevant standards to ensure consistency and repeatability of test results.

Multi‑Scenario Applications and Industry Value

Surface resistivity testing plays an indispensable role across various industries:

Electronics manufacturing – inspecting the surface resistance of anti‑static workstations, ESD flooring, and packaging materials to safeguard the production environment.
Semiconductor and precision instrumentation – testing wafer carriers, PCB protective coatings, and containers for static‑sensitive devices to prevent electrostatic damage.
Laboratories and R&D – studying the static performance of new materials and characterising their surface resistivity.
Warehousing and logistics – verifying the resistance of ESD trays, tote boxes, and shipping tubes to avoid electrostatic discharge during storage and transport.
Medical and aerospace – measuring the surface resistance of equipment housings and operating tables to ensure user safety and operational reliability.

Portable Design and Smart Features

Modern surface resistance testers are typically designed to be compact and lightweight (often 120–170 g), allowing for easy on‑site testing. Many models also incorporate data logging and transfer capabilities – exporting data via USB, generating comprehensive test reports with companion software, and some advanced versions even storing up to 50,000 measurement records. Built‑in environmental temperature and humidity sensors further enhance traceability, ensuring that every test is performed under documented conditions.

Technical Specification

Measurement Range	10³-10¹²Ω
Accuracy	±0.5
Size (L×W×H)	7027130mm
Weight	0.14G
Power Supply	9V

世界最高水準のESD製造能力

三威から調達する場合、業界をリードするOEM/ODMメーカーと直接提携することになります。当社は最先端の 7万m²超の一貫生産拠点 浙江省楽清中心工業団地において、独自の材料配合から最終的な高精度製品の成形に至るまで、すべての工程を自社で管理しています。.

統合されたスケール

7万平方メートル超の最新鋭の工場基盤に、高負荷・高精度の射出成形機を備え、安定したリードタイムで大口の卸売注文に対応します。.

フルチェーン制御

独自開発の制電材料の研究開発から、構造金型の設計、自動化製造、迅速なグローバル物流まで、すべてを自社内で一貫して管理しています。.

厳格な検査

厳格な原材料検査と、生産ラインにおける多点表面抵抗値測定を組み合わせることで、100%が国際的なESD基準ガイドラインに準拠していることが保証されます。.

帯電防止製品とソリューション

製造および運用のライフサイクル全体にわたり、包括的な静電気保護を提供します。.

実装機

自動ライン用帯電防止コレクションボックスおよびラック.

保管と物流

台車、棚、箱、トレイ、および部品容器.

ワークステーションとPPE

制電椅子、マット、リストストラップ、および個人用保護具。.

カスタム開発

カスタム金型の開発と特殊な制電材料。.

すべての解決策を表示

カスタマイズの利点

当社のOEM/ODMの強み

先進R&D・材料イノベーション

国家発明特許を取得し、耐熱温度は200℃に達する自社開発の制電材料。私たちは成形するだけでなく、コンパウンド（配合）から手掛けます。.

本格生産能力

安定した効率的な供給を実現するため、射出成形、造粒、および関連する加工システムを完備した30,000㎡の工場。.

一貫したフルカスタム

材料の固有抵抗、色、サイズ、ロゴ、パッケージ、認証は、IEC61340-5-1、ANSI/ESD S20.20、または軍用規格に適合するようにカスタマイズ可能です。.

品質保証・グローバルコンプライアンス認証

“三維社は半導体組立ライン向けに、カスタム仕様の高耐熱クリーンナチュラルカラートレイの開発に成功しました。これにより輸入品の代替を実現し、優れたESD安全性を確保するとともに、クリーンルームの高い清浄度要件を満たしました。”

世界的なフォーチュン500の業界リーダーから信頼されています

当社独自のESDソリューションは、以下をはじめとする世界のエリート生産施設に導入されています。 インテル、モトローラ、シーメンス、IBM、パナソニック、ノキア、デル。.

カスタムサイズや大口卸売価格をお探しですか？

三維は、自社内の強力なR&Dチームを基盤とし、お客様の特定のSMT生産ラインや倉庫レイアウトに合わせた完全なOEM/ODMオプションを提供します。カスタム金型、色分け、または統合された5Sストレージコンサルティングについて、今すぐ専門家にお問い合わせください。.

クイック見積もりを取得 WhatsAppでチャットする

よくある質問 (FAQ)

1. What is the standard for surface resistivity?

The primary standards for measuring surface resistivity are ASTM D257 そして IEC 62631-3-2. ASTM D257 is a key standard that details techniques for measuring both surface and volume resistivity using a guarded electrode system. IEC 62631-3-2 serves as the international equivalent.

2. What is surface insulation resistance?

Surface Insulation Resistance (SIR) is a measure of the electrical resistance across the surface of an insulating material between two conductors. It is a key indicator of a material’s ability to resist electrical leakage and electrochemical failures, especially under humid conditions.

3. What equipment is used to test insulation resistance?

The most common equipment used to test insulation resistance is an insulation resistance tester, often generically called a Megger. These are portable, high-range resistance meters (ohmmeters) with a built-in DC generator that provide direct readings of insulation resistance.

4. What is the surface insulation resistance test?

The surface insulation resistance test is a method used to measure the resistance across a material’s surface. It’s a non-destructive test often used to evaluate the reliability of electronic assemblies. The test typically involves measuring the resistance between two comb-shaped electrodes on a test board under controlled conditions.

5. What is the surface resistance instrument?

A surface resistance instrument (or tester) is a device used to measure the electrical resistance directly on the surface of a material. It expresses resistance in ohms (Ω) and is commonly used for field audits of ESD workstations, mats, and floors to determine if materials are conductive or static dissipative.