PC91 series panel digital ohmmeterDetailed product description：

The PC91 series panel type digital ohmmeter is a small and popular instrument for 4 and a half bit CMOS large-scale integrated circuits. Its measurement results are displayed using five digit LEDs, and low resistance measurement adopts a four terminal measurement method. This meter has the characteristics of small size, low power consumption, high sensitivity, good reliability, excellent performance, strong adaptability, and easy use. It is a supporting instrument for various measuring instruments and consoles.  

Technical data

Usage conditions
Environmental temperature: 0-+40 ℃
Relative humidity of the environment: below 80%
Power supply: 220V ± 22V, 50 ± 1.5Hz (including PC91/51-58A: DC 24V ± 3.0V or 9.0V ± 0.5V)

Specifications, display values, and basic errors: Under reference conditions, the basic errors of the product should comply with the following table.

model	measurement range	resolution	test current	basic error
PC91/1	0-19.999Ω	1mΩ	10mA	± (0.05% reading+3 words)
PC91/2	0-199.99Ω	10mΩ	1mA	± (0.05% reading+2 words)
PC91/3	0-1.9999kΩ	100mΩ	0.1mA
PC91/4	0-19.999kΩ	1Ω	10μA
PC91/5	0-199.99kΩ	10Ω	1μA	± (0.06% reading+3 words)
PC91/51	0-19.999Ω	1mΩ	10mA	± (0.05% reading+2 words)
PC91/58A	0-100.0MΩ	100kΩ	10nA	± (3% reading+5 words)

Weight: 0.6kg
Dimensions: 48 ´ 110 ´ 112mm
Hole size: 44'95mm