M145-0-0-23-0 Simpson, M145-0-0-23-0 Datasheet
M145-0-0-23-0
Manufacturer Part Number
M145-0-0-23-0
Description
Digital Panel Meters DCA 20mA 4.5
Manufacturer
Simpson
Type
DC Current Meterr
Specifications of M145-0-0-23-0
Equipment Type
DC Current Meter
Display Type
7 - Segment LCD
Accuracy
±0.04% %
Bezel
0.945 in. x 2.835 in.
Brand/series
M145
Common Mode Rejection Ratio
90 dB (Min.) @ 60 Hz
Connection Type
Wire Leads
Current, Rating
20 mA
Cut Out, Panel
0.874×2.677 "
Depth
0.473 in.
Digit Height
0.5
Dimensions
2.84"L×0.43"W×0.945"H
Display Digit Height
0.5 "
Display Resolution
1 μA
Function
Ammeter
Humidity
0 to 85%
Indicator Type
4-1⁄2 Digit
Material, Casing
ABS
Meter Type
Digital
Number Of Digits
4-1/2
Primary Type
Electronic
Range, Measurement
20 mA
Temperature, Operating
0 to 55 °C
Voltage Drop
200 mV
Voltage, Supply
5 VDC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Simpson’s Mini DC Current Indicators provide high quality,
accuracy and reliability in a compact 12mm deep case.
M145 has a 4-1/2 digit, 0.5” LCD display and is available
with a negative image, bright red backlight option. Mini
M145s feature user-selectable decimal point and display
hold.
Minimum Depth Indicator - Less than 1.25" (31.75mm)
of Space Required Behind the Panel
Fits 3/64 DIN Cutout, 22mm x 68mm
4-1/2 Digit, 0.5" (12.7mm) High LCD
User-Selectable Decimal Point
Optional Negative Image, Bright Red Backlighting
12 Pin Mating Connector With 6" Lead Wires Included
for Easy Installation
Display Hold Standard on All Units
Four Current Ranges: 200 A, 2mA, 20mA, 200mA
Three Power Supply Alternatives: 5VDC, ±5VDC or
9VDC (With Low Battery Indication)
Installation and Panel Cutout
Mini M145 Series Digital Panel Meter
No mounting hardware required, snaps right into panel!
Mounting Requirements
The Mini indicators require a panel cutout of 2.68" (68mm) wide by 0.88"
(22mm) high, and a panel area of 0.945" (24mm) high by 2.84" (72mm)
wide. The depth behind the panel, including terminals, is 0.7" (17.8mm).
The front bezel protrudes 0.158" (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.
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.
DC Current
M145-0-0-23-0 Summary of contents
Page 1
... Simpson’s Mini DC Current Indicators provide high quality, accuracy and reliability in a compact 12mm deep case. M145 has a 4-1/2 digit, 0.5” LCD display and is available with a negative image, bright red backlight option. Mini M145s feature user-selectable decimal point and display hold ...
Page 2
... System stability is then only as good as the external reference. Calibration Model M145 has two internal adjustments on the rear panel, one that is covered by a label, and one that is always exposed. The exposed adjustment is a “fine” calibration point, and the covered adjustment is for “ ...