Multichannel Resistance Tester_Electronic measuring instruments_Product

TR2517 Series

Multichannel Resistance Tester

TR2517 series multi-channel electropositive tester is a high-precision and wide-range automatic DC electropositive tester specially designed for multiple electropositive testing. Up to 30 resistors can be measured at the same time and displayed on the screen at the same time. Each channel has an accuracy of 0.05% and a range range of 1u~300K0, the number of display bits is four and a half digits, the test speed can be up to 12mS, the temperature compensation of the instrument can avoid the influence of ambient temperature on the test work, it has a very convenient sorting function, the Handler interface can output the sorting results of all channels without expansion, and can be equipped with RS232/USB/RS485 interface for remote control and data acquisition and analysis.

Features:
• Stand-alone mode and scanning mode can be switched at will to achieve dual-purpose use
• Supports up to 30 channels of scanning
• Maximum sampling rate of about 12ms/sec channel
• Highest resistance accuracy: 0.05%, minimum resolution: 10uQ
• Basic temperature accuracy: 02°C
• R, LPR, T and other test function combinations
• Support PT100 and PT500 temperature sensors
• Temperature Compensation (TC)
• Offset Voltage Compensation (OVC)

True Color LCD

The DC low resistance tester is equipped with a 4.3-inch true color LCD screen, 480x 272 high definition resolution presents fine image quality, test values, curve trends and status signs are displayed in bright colors in layers, and readings are clear and intuitive. The true color screen allows the operation menu and parameter setting to be clearly partitioned, which can quickly identify key information even in strong light or dim environment, simplify the operation process, shorten the reading reaction time, make complex test data clear at a glance, and improve the overall operation efficiency.

Multi-channel testing

Support multi-channel testing, which can be expanded to up to 30 channels, greatly improving batch testing efficiency; The scanning test end adopts crimping method, which ensures close contact with the tested object through stable mechanical pressure, reduces contact resistance fluctuation, and adapts to fast switching of devices of different specifications. Whether it is multi-group components parallel testing, or production line batch quality inspection, can take into account the number of channels and contact stability.

Temperature compensation function

The DC low resistance tester has a built-in temperature compensation function, which supports the access of PT100 and PT500 temperature sensors. It can capture the environmental temperature change of the measured object in real time and automatically correct the resistance value deviation-because the metal resistance changes linearly with temperature, the function compensates the measured value to the equivalent resistance at the standard temperature (e.g. 20 ℃) through an accurate algorithm to avoid the interference of temperature fluctuation on the milliohm level measurement.

Offset voltage compensation function

The DC low resistance tester is equipped with an offset voltage compensation function, which can accurately offset the thermal electromotive force interference caused by the material contact temperature difference and current on-off transient. This kind of small electromotive force (usually in the order of microvolts), if not compensated, will be superimposed on the measured voltage, resulting in a deviation in the low resistance measurement.

User self-calibration function

The DC low resistance tester has a built-in user self-calibration function, which is easy to operate: the test clip can be calibrated by short-circuiting the test clip, and the instrument will capture the inherent interference values such as wire resistance and contact impedance in the current circuit and automatically incorporate them into the compensation reference. This 1 process can accurately offset the measurement deviation caused by the test line and chuck, especially when detecting milliohm-level small resistance, which can effectively eliminate the influence of environmental and consumable variables.

Model	TR2517-30	TR2517-20	TR2517-10	TR2517-4
Number of scan channels	30	20	10	4
Test mode	Stand-alone mode, scanning mode
display	24-bit color; RGB true color TFT LCD display with a resolution of 480x272
Number of digits	4½ Bit
Measuring range	1uΩ~300KΩ
Resistance range	20mΩ / 200mΩ	2Ω / 20Ω / 200Ω	2KΩ / 20KΩ	300Ω / 300Ω
Test the current	Not / 1A	100mA / 10mA / 1mA	100uA / 100uA	10uA / Not
Basic accuracy	0.05%
Resistance measurement time	FAST: 12ms/channel, MED: 27ms/channel, SLOW1: 120ms/channel, SLOW2: 244ms/channel
Temperature measurement time	30士10ms
Measurement section configuration	Four ends
Low voltage measurements	Open Circuit Voltage: ≤40mV Effective Range: 2Ω、20Ω、200Ω、2KΩ
Thermoelectric potential elimination	√
Measurement settings Parameters are saved	100 Groups
Temperature measurement	Sensors: PT100, PT500; Test range: -10.0C~299.9°C; Accuracy: 0.2C; Display range: -99.9C~999.9°C
Other features	Temperature compensation function, temperature conversion function
Compare	Mode: Stand-alone and channel settings are separated Signal output: Hai/Ying/Luo Message: Auf, India, Hai/Luo Limit setting mode: 3 gears, absolute value upper/lower limit, percentage upper and lower limit + nominal value
Interface configuration	USB DEVICE、USB HOST、RS232、HANDLER
附件	Power cord, four-terminal low-resistance test lead, four-terminal low-resistance scanning test lead, PT100 temperature sensing
Weight	Approximately 3.6Kg
Dimensions	235X105X360mm

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TR2517 Series

Multichannel Resistance Tester

True Color LCD

Multi-channel testing

Temperature compensation function

Offset voltage compensation function

User self-calibration function

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