This document is the operation manual for the 2511 DC low resistance tester, including precautions for the instrument's power-on preheating, zeroing, calibration, etc., as well as the instrument's functions and usage conditions.
The 2511 DC Low Resistance Tester is an intelligent instrument designed for high-precision four-terminal measurement of low resistance values, ranging from 1uΩ to 200.00kΩ. It features automatic range selection, sorting functions with LED indicators (HIGH, PASS, LOW), and a test speed of 10 to 20 times per second. The device utilizes a 5-digit LED display and includes a built-in EEPROM for storing calibration parameters.
The manual details the operational procedures, including the necessity of a 10 to 30-minute warm-up period before testing to ensure internal circuit stability. It outlines the use of five-terminal connections (HD, HS, LD, LS, GND) for accurate measurements and provides specific steps for zeroing the instrument and calibrating it using standard resistors. Safety precautions emphasize avoiding live testing and proper grounding to prevent electrical hazards. This manual is written in Chinese.
| Measurement Range | 1uΩ～200.00kΩ |
|---|---|
| Test Speed | 10～20 times/second |
| Power Supply | AC220V±10%, 50Hz±5% |
| Operating Temperature | 20～26℃ (accuracy), 10～35℃ (operation) |
| Dimensions | 300×110×280mm |
| Weight | Approx. 2.5kg |
| Display | 5-digit LED |
The instrument must warm up for at least 10 minutes, or 30 minutes according to the unboxing section, before measurement to allow internal circuits to stabilize.
The warranty period is 18 months from the date of shipment by the company or the operating department.
No, the manual strictly prohibits replacing any internal chips as they contain stored calibration parameters that would make measurements incorrect.