Bipolar plate four probe resistance tester

Bipolar plate four probe resistance tester BEST-E
1、 Scope of application
The four terminal testing method is currently one of the more advanced testing methods, mainly for testing products that require high precision; This instrument is widely used in production enterprises, universities, and research departments, and is an important tool for inspecting and analyzing the quality of conductor and semiconductor materials.

Used for measuring and analyzing the resistivity of bipolar plate materials and the contact resistance between bipolar plates and carbon paper
4.3-inch LCD screen display: resistance, resistivity, square resistance, temperature, unit conversion, temperature coefficient, current, voltage, probe shape, probe spacing, thickness, conductivity, resistivity, pressure, automatic measurement, integrated circuit system, constant current output. If PC software is selected, the change curve graph of contact resistance under different pressures can be analyzed Controlled by a computer, saving and printing data, and automatically generating reports Provide two language operation interface options: Chinese or English
Provide interface options in either Chinese or English to meet the needs of both domestic and international customers

2、 Resistance measurement range:
1. Block resistance range: 10-5~2 × 105 Ω/□
2. Range of resistivity: 10-6 to 2 × 106 Ω - cm
3. Test current range: 0.1 μ A, 1 μ A, 10 μ A, 100 μ A, 1mA, 10mA, 100 mA
4. Current accuracy: ± 0.1% reading
5. Resistance accuracy: ≤ 0.3%
6. Display readings: LCD display: resistance, resistivity, square resistance, temperature, unit conversion, temperature coefficient, current, voltage, probe shape, probe spacing, thickness, conductivity, resistivity, pressure, etc
7. Testing methods: four probe measurement (bulk resistivity) and four terminal method (contact resistance measurement)
8. Pressure range: 0-1000kg (0-4MPa)
9. The sample has a square shape (5cm x 5cm for gold-plated electrodes) and an area of 25cm2 (customized for other specifications)
10. Working power supply: Input: AC 220V ± 10%, 50Hz? Power consumption:<30W
11. Standard configuration: 1 test probe; One testing platform; 1 set of host; 1 set of pressurization device;

3、 Standard:
GB/T 20042.6-2011 Proton Exchange Membrane Fuel Cells Part 6: Methods and Requirements for Four Probe Low Resistance Measurement and Contact Resistance Testing in Bipolar Plate Characteristics Testing;