DMR30-DCV1-1-DC4-R-C datasheet(2/11 Pages) MURATA-PS

2 / 11 page

DMR30-DCV1 Series

Precision DC Voltmeter

DMR30-DCV1.A01 Page 2 of 11

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MEASUREMENT PERFORMANCE

MIN.

TYP.

MAX.

UNITS

Measurement ranges

±200mVDC; ±2VDC; ±20VDC

Accuracy (Measured using 4 ½ digit display formats)

0.05

0.2

% Full-Scale

Temperature Stability

0.005

%Full-Scale/°C

Input Impedance

MΩ

Common Mode Rejection Ratio (DC)

100

Absolute Maximum input voltage (+VIN to –VIN)

-40

+40

Absolute Maximum input voltage (either +VIN or –VIN to –VS)

-48

POWER SUPPLY CHARACTERISTICS.

Min.

Typ.

Max.

Units

Operating Supply Voltage;

VDC

Absolute Maximum Supply Voltage

-1

VDC

Operating Supply Current

12V operation

24V operation

USER INTERFACE

Display Type and Size

5 Digit Alphanumeric LED, 11.4mm (0.45in) Height

4 LED Annunciators (‘Alarm’, ‘Max’, ‘Min’, ‘mV’)

User Controls

Four capacitive touch sensors

Display Modes

Normal, Max Voltage, Min Voltage

Over-range Indication

Flashing Value

Display Update Rate

2.5 updates/sec.

Decimal Point Selection

Automatically Set

Main Menu Password

RELAY OUTPUT

Min.

Typ.

Max.

Units

‘Off’-state voltage (measured across RELAYA to RELAYB) terminals

-40

+40

‘On’-state current

-250

+250

‘On’ state resistance

Ω

TERMINAL BLOCKS (TB1, TB2, TB3)

Wire Size

14-24 AWG

Insulation Strip Length

6mm (0.24 in.)

Screw Tightening Torque

0.4 N-m (3.5 lb-in)

PHYSICAL/ENVIRONMENTAL

Min.

Typ.

Max.

Units

Operating Temperature

+50

⁰C

Storage Temperature

-40

+75

⁰C

Humidity (non-condensing)

Dimensions

See Mechanical Specifications Drawing

Weight (including mounting nut and gasket)

64g (2.2 oz)

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