V20D three lines 0-100V digital voltmeter digital voltmeter head is reversed does not burn

Production Product Name: V20D three lines 0-100V digital voltmeter digital voltmeter head is reversed does not burn
Model: V20D three lines
Color classification:
Product details: 20D Digital Display DC voltmeter (DC0-100V, three-wire, to an external power supply)
Baby Description:

The voltmeter uses 0.36 inches digital display, with ultra-small size, with an area of only similar coin. Three-wire connection, measuring range of DC 0-100V requires external auxiliary power supply has reverse polarity protection, reverse does not burn! Wide operating voltage range, can work in DC DC3.0-28V range. Can be used for a variety of voltage measurement purposes.

Note: This electrical instruments installed by professionals understand the need of electrical and electronic, for installation unclear average consumer, please be careful to buy!

Technical parameters:
Dimensions Length Width 23x 15x thick 10mm (without mounting ears) measuring range DC0-100V
Hole size 24x15mm minimum input DC0V
Installation pitch 28mm maximum input DC100V
Screw Specifications M2.0x12 self-tapping screws (customer supplied) tolerance of 1% (+/- 1 word)
Lead Length 15cm display three 0.36 "LED digital tube
Net weight 5g display color red
Gross 8g (including packaging) refresh rate of about 500mS / times
Power supply DC3.0-28V
Operating temperature -10 ~ 65