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Changzhou Tonghui Electronic Co., Ltd.
Tonghui Resistance/Temperature Meter TH2518

Tonghui Resistance/Temperature Meter TH2518

Product catalog summary

Overview
The TH2518 Series Resistance/Temperature Scanner is a versatile testing device featuring a 4.3-inch 24-color touch LCD screen with a resolution of 480 × 272. It offers both Chinese and English interfaces and supports up to 90-channel resistance and temperature scan tests. The device allows for simultaneous measurement between test units and boasts a maximum test speed of 600 times per second.

Key Features

High accuracy with a maximum resistance accuracy of 0.05% and a minimum resolution of 10μΩ.
Basic temperature accuracy of 0.2°C.
Programmable test end for scan test channels.
Compatible with both scanning and stand-alone measurement modes.
Supports PT100, PT500, and analog voltage temperature sampling methods.
Includes a temperature compensation function and a one-click screen capture feature.
Data logging and automatic software upgrades via USB HOST.
Comparison sort results can be output at channel, board, and machine levels.
Handler interface for online operations.

Applications

Components: Resistors, inductors, transformers, motors, relays, circuit solder joints, capacitor riveting points.
Cables and Connectors: Strand wire, connectors, switches.
Materials: Heat-sensitive materials like fuses and thermistors, conductive materials such as metal foil.
New Energy: Electric vehicle battery pack connecting bridges, battery connection resistors.

Standard Accessories

Three-core power line.
TH26050S Four-terminal test cable.
PT500 temperature sensor (only for TH2518).
40-core flat cable.

Weight: 7.5kg
Dimensions: 280(W) × 88(H) × 440(D) mm

Specifications

Models: TH2518, TH2518A.
Measuring Parameters: DC resistance, temperature (TH2518 only).
Resistance Test Range: 10μΩ — 200kΩ.
Basic Resistance Test Accuracy: 0.05%.
Temperature Sensor Types: PT500, PT100, analog voltage input.
Temperature Test Range: PT100, PT500: -10℃ — 99.9℃; Analog: 0V — 2V.
Temperature Test Accuracy: PT100, PT500: 0.3%*measured value ±0.5℃; Analog: ±1%Rd ± 3mV.
Measurement Modes: Stand-alone, scanning.
Scanning Channels: 15 channels/board, up to 6 boards and 90 channels.
Test Current: ≤100mA.
Measurement Speed: Single board: 100 times/sec, 40 times/sec, 2 times/sec; 6 boards: 600 times/sec, 240 times/sec, 12 times/sec.
Display Results: Simultaneous display of test results for 16 channels with page turning support.
Short-circuit Clear Correction: Supports full-scale short-circuit clearing for all channels.
Comparators: Separate comparison boundaries for each test channel.
Limit Modes: ABSDev, ABS, %.
Trigger Modes: Auto, manual, bus, handler, foot switch.
Test Terminal: Four-terminal test.
Storage: 30 sets of instrument parameters.

Catalog excerpts

Tonghui Resistance/Temperature Meter TH2518-1

Features 4.3 inch 24-color touch LCD screen with 480 x 272 resolution Chinese and English optional operation interface Up to 90-channel resistance/temperature scan tests Support 6 units for free insertion and removal, simultaneous measurement between test units Maximum test speed can reach 600 times / sec Maximum resistance accuracy: 0.05%, minimum resolution: 10uQ Basic temperature accuracy: 0.2 °C The adopted test end of the scan test channel is programmable Compatible with scanning and stand-alone measurement modes Temperature measurement can support PT100, PT500 and analog voltage three temperature sampling methods Temperature compensation function (TC) One-click screen capture function Data logging function Automatic upgrade of instrument operating software via USB HOST Comparison sort results of channel, board and machine-level can be output Handler interface for online operations Standard Option Application Components Resistor, inductor, transformer, motor, relay, circuit solder joint, capacitor riveting point Cables, connectors Strand wire, connectors, switches Material Heat-sensitive materials (fuses, sensor for thermistors), conductive materials such as metal foil New energy Electric vehicle battery pack connecting bridge, battery connection resistor Standard accessories Three-core power line TH26050S Four-terminal test cable PT500 temperature sensor (only for TH2518) 40-core flat cable

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