Simpson M135 Series Panel Meters

Simpson’s Mini DC Voltage and Mini DC Current Indicators provide high quality, accuracy, and reliability in a compact 12mm deep case. M135 has a 3-1/2 digit, 0.5” LCD display and is available with a negative image, bright red backlight option. Mini M135s feature user-selectable decimal point and display hold.

Three power supply choices are available, and a low battery indication is provided for 9VDC battery applications. Mini units feature a standard 3/64 DIN high-impact plastic case. The standard LCD units have a clear viewing window. The units with optional negative image, bright red backlighting, have a red window.

Mounting Requirements:

The Mini indicators require a panel cutout of 2.71” (68.8mm) wide by 0.89” (22.6mm) high, and a panel area of 0.94” (24mm) high by 2.83” (72mm) wide. The depth behind the panel, including terminals, is 0.7” (17.8mm). The front bezel protrudes 0.16” (4mm) from the front of the mounting surface. The unit will snap-mount into panels from 0.050” to 0.125” thick. A 12-pin connector with 6” wire leads is included with each unit for quick installation.