<p>SELF-CALIBRATION FOR OPTIMAL PERFORMANCE: Our Electricity Tester Measuring Instrument utilizes the ASTM standard D 257 parallel grid induction method and features self-span calibration with a high-speed OP AMP.</p> <p>ACCURATE SURFACES RESISTANCE MEASUREMENTS: Our Surfaces Resistance Tester is designed to meet ANSI ESD S20.20, IEC61340 5 1, JESD 625 B, CECC, ASTM, and UL tester procedures, ensuring reliable and precise measurements according to anti-static standards.</p> <p>VERSATILE FUNCTIONALITY: This Handheld Electrostatic Static Resistivity Meter serves the main purpose of measuring the resistivity and grounding resistance of various materials.</p> <p>MULTIPLE APPLICATIONS: From engineering and maintenance to quality control, incoming inspection, manufacturing, and training, our Surfaces Resistance Tester finds its use in a wide range of industries.</p> <p>USER-FRIENDLY OPERATION: With its easy one-key operation, this tester simplifies the measurement process. Start your measurements with just a of a button. The intuitive design, combined with high accuracy and strong reliability, makes it suitable for both experienced professionals and beginners alike.</p> <p>Item Type:Surfaces Resistance Tester</p> <p>Battery:1 x 6F22 9V battery, 800mAh capacity (shipped with matching battery)</p> <p>Continuous Working Time:More than 40 hours</p> <p>Measuring Temperature Range:40\u2109 to 120\u2109 (5\u2103 to 49\u2103)</p> <p>Measurement Humidity Range:5% to 90% (more than 65% affect the measurement accuracy of the instrument)</p> <p>Color:As Shown</p> <p>Material:Plastic</p> <p>Package Contents:</p> <p>1 x Surfaces Resistance Tester</p> <p>1 x Ground Wire</p> <p>1 x Battery</p> <p>1 x English instruction manual</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>