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M-520 Programmable Capacitance Decade

Capacitance decade is designed especially for calibration of capacitance ranges of multimeters and RCL meters. Due to its versatility it can be used in cal labs, repair centers and in production lines, where remote control of capacitance is requested. Main parts of the M-520 decade create relays with high current capability and capacitors with polypropylen dielectricum. Important feature is calibration procedure, which allows to recalibrate decade easily. Process of recalibration consists of measuring of partial capacitors inside the instrument and writing new calibration values into internal calibration memory. Calibration can be performed via RS-232 interface with calibration SW. Capacitance decade contains both calibration data for floating and grounding connection. Decade can be ordered as 19” module for easy assembling into a 19” rack. Module height is 3HE.

Specification

Basic infomation

Capacitance range 100 pF - 12.2221 uF
Maximal voltage 50V DC, 35Vef AC
Range of working temperatures +5 °C … +40 °C
Output terminals Two-wire, ground terminal
Control Manually with rotary switches, remote RS232
Dimensions W 325 mm, H 111 mm, D 316 mm

Accuracy

Decade

Accuracy (%)

Dissipation factor (-)

Temperature coefficient (%/°C)

100 pF - 1 nF 2.5 + 1pF <0.05 <0.025
1 nF - 10 nF 0.25 <0.005 <0.025
10 nF - 100 nF 0.25 <0.005 <0.025
100 nF - 1 uF 0.25 <0.005 <0.025
1 uF - 11 uF 0.25 <0.05 <0.025

Accessories

Accessories (included)

Power line adapter 1 pc
Cable RS232 1 pc
Operation manual 1 pc
Application software 2 diskettes 1 CD rom

 
created by Omega Design