Name: EMIT-20780-static resistance tester No.: Pro201252822304 Model: 50557 Price: EMIT-20780 (discontinued) Model 4500 (discontinued) Price 13000 Manufacturer: DESCO-Lybetter.com EMI-20780 Discontinued, alternative models TB6520 composed of 50557 (Eng) and 50560 (calibration electrode plate). 20780 sell in the market may be inventory or cottage products. The accuracy and repeatability of less demanding customers can choose the cottage products (domestic), high-end customers recommend select official substitutes TB6520. The original 20780 users can just buy 50557.50560 electrode plate is generic. Division I maintenance service offers EMI20780. EMI-20780 can be easily and accurately test the point-to-point resistance (RTT), the grounding resistor (RTG) and volume resistivity, and the supporting plate electrodes test surface resistivity, for supporting two test electrodes measure minute object surface resistivity. EMI-20780 in accordance with ANSI / ESD S4.1 standard requirements, test the following items: (1) anti-static work surface resistance (ESD S4.1 standard) 2 anti-static flooring Resistance (ANSI / ESD S7.1 standard) anti-static shoes resistance (ESD S9. 1) Lybetter.com anti-static overalls resistance (ESD STM 2.1) 5 anti-static chair resistance (ESD STM 2.1) 6 97.1 Standard of the human body through the grounding resistance of the anti-static shoes and floor (ESD hinder STM) 7 anti-static table grounding resistance (ESD-ADV 53.1) parameters l Test range: 1x 103Ω - 1012Ω l test voltage: 10V or 100V + / -5% (auto-select) l Test Accuracy: + / -10%; greater than or equal to 1011 Ω test accuracy: + / -20% l test time: 15 seconds (in accordance with ESD S4.1 standard) l test unit: omega (test surface resistivity units: w / □) l, test environment temperature: + / -3 ℃ errors l test Relative humidity: + / -10 error l hammer electrode: 5 pounds + / - 2 ounces l Power: 2 AA batteries standard accessories l test table: one; No. 20780 l point-to-point weight hammer electrode: 2; Item 50003 l plate electrode: 1; No. 50560 l cable: 2 (black / white); Item 19783 l 2 AA batteries l l suitcase factory calibration certificate l product specifications Product Options l concentric hammer electrode: 1; No. 222002 l two-point test electrode: 1; Item 844 l BNC adapter: 1