Quick Answer: This analog panel meter, model MR66, has a 60 mm x 60 mm faceplate and accuracy class 2.5. It uses a permanent magnet moving coil movement for DC or a moving iron movement for AC.
Last updated: October 2026
Key Features
60 mm x 60 mm faceplate
Accuracy class 2.5 (±2.5% of full scale deflection)
Permanent magnet moving coil (DC) or moving iron (AC) movement
ABS housing with acrylic viewing window
High-contrast linear scale with anti-parallax pointer
External front zero-adjustment screw
Technical Specifications
Specification
Value
Movement
Permanent magnet moving coil (DC) / moving iron (AC)
Accuracy class
2.5 (±2.5% full scale deflection)
Housing
ABS plastic, acrylic window
Faceplate
60 mm x 60 mm
Scale
High-contrast linear, anti-parallax pointer
Zero adjustment
External front-mounted screw
About This Product
The meter is fitted into panels and trainer boards so students can read current or voltage directly while a circuit is running. The front zero screw lets the pointer be reset before readings are taken in electrical and electronics practicals. Schools, colleges and institutes in Uganda, Mexico, Vanuatu, Turkey, Bangladesh and Samoa can order the MR66 Analog Panel Meter from Educational Instrument.
Frequently Asked Questions
Can the zero be adjusted?
Yes. An external screw on the front is used to set the pointer to zero.