Datasheet > DMU-30ACV

DMU-30ACV

更新时间： 2024-09-23 06:54:15

品牌	Logo	应用领域
村田 - MURATA		/
页数	文件大小	规格书
3页	142K
描述
Ruggedized True-rms ac Voltmeters with Daylight Readable, Auto-Dimming LED Displays

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DMU-30ACV 数据手册

DMU-30ACV Series

Ruggedized True-rms ac Voltmeters with Daylight

Readable, Auto-Dimming LED Displays

www.murata-ps.com

Murata Power Solutions’ DMU-30ACV series of daylight-readable ac voltmeters mea-

sure and display the true-rms values of complex ac waveforms. Their large 0.56” (14.2mm)

high super-bright red LED-display is readable in full sunlight. An auto-dimming circuit

automatically adjusts the display brightness for all viewing conditions.

And all DMU-30ACV ac voltmeters are packaged in a plastic package with an integrated

bezel and gasket assembly designed to meet NEMA-4/IP65 for moisture resistance in

outdoor applications.

FEATURES

DMU-30ACV series rms voltmeters are available in a choice of three input ranges:

20Vac (with 0.01V resolution); 200Vac (0.1V resolution); and 300Vac (1V resolution).

Because the input circuitry is electrically isolated from the unit’s operating power source,

these voltmeters can measure ac signals down to zero volts. An input frequency range

of 47-1kHz makes these voltmeters ideal for all ac voltage monitoring applications. And,

unlike conventional average-responding designs, these meters can measure and accurately

display the true-rms value of triangle waves, square waves, or any other irregularly shaped

waveform, with 0.4% full-scale accuracy.

DMU-30ACV series’ miniature size and ruggedized package is perfect for all industrial

and high-reliability instrumentation, alternative power generators, and any other application

which requires precise ac line monitoring in harsh indoor/outdoor environments. Simply

connect the input signal and an 85-264Vac source of operating power to the two rear-

mounted terminal blocks and the unit is fully operational.

■

Measures and displays the true-rms value of complex

ac voltages

■

Three input ranges: 20Vac, 200Vac and 300Vac

Daylight-readable LED display with automatic

brightness adjustment

■

Moisture & impact resistant package offers

NEMA-4/IP65 protection

■

Operates from universal 85-264Vac or 110-300Vdc

Input circuit fully isolated from operating

ac power source

■

47-1kHz input frequency range with crest factors

up to 5

UL certiﬁcation pending

TECHNICAL NOTES

IMPORTANT! To ensure safe and reliable operation, DMU-30ACV ac voltmeters must

be installed and serviced by qualiﬁed technical personnel. Contact Murata Power

Solutions / DATEL if there is any doubt regarding installation and/or operation.

1. Measurement Type: DMU-30ACV series ac voltmeters employ a precision rms-to-dc con-

verter and a stable voltage reference to measure and display the rms value of complex ac

waveforms. Crest factors as high as 5 produce minimal additional errors (see Perfor-

mance Speciﬁcations).

CAL

BRIGHTNESS

ADJUST

2. Wiring: All ac supply and input signal wiring must be adequately rated for the voltages

and currents they will carry, and must comply with any code or application-mandated

requirements pertaining to the user’s speciﬁc installation.

TB1

TB2

3. Power Supply Polarity, Fusing, and Grounding: The power supply inputs, (TB1 and

TB1-2) on DMU-30ACV voltmeters are not polarity sensitive, that is, they have no “AC LO”

or “AC HI” designations. These units do not include or require a connection to earth/chassis

ground. Refer to Figure 1 for a typical wiring diagram.

–

REAR VIEW

85-264Vac

Power Source

Input Signal

DMU-30ACV ac voltmeters are not internally fused. If fusing is required, it must be exter-

nally installed according to the supply wire’s maximum amperage rating.

Figure 1. DMU-30ACV wiring diagram

For full details go to

www.murata-ps.com/rohs

www.murata-ps.com

Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000

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与DMU-30ACV相关器件

型号	品牌	获取价格	描述	数据表
DMU-30ACV-0-DR-C	MURATA	获取价格	Ruggedized True-rms ac Voltmeters with Daylight Readable, Auto-Dimming LED Displays
DMU-30ACV-1-DR-C	MURATA	获取价格	Ruggedized True-rms ac Voltmeters with Daylight Readable, Auto-Dimming LED Displays
DMU-30ACV-2-DR-C	MURATA	获取价格	Ruggedized True-rms ac Voltmeters with Daylight Readable, Auto-Dimming LED Displays
DMU-30DCV	MURATA	获取价格	Ruggedized DC Voltmeters with Daylight Readable Auto-Dimming LED Displays
DMU-30DCV-0-DR-C	MURATA	获取价格	Ruggedized DC Voltmeters with Daylight Readable Auto-Dimming LED Displays
DMU-30DCV-1-DR-C	MURATA	获取价格	Ruggedized DC Voltmeters with Daylight Readable Auto-Dimming LED Displays
DMU-30DCV-2-DR-C	MURATA	获取价格	Ruggedized DC Voltmeters with Daylight Readable Auto-Dimming LED Displays
DMU-30DCV-3-DR-C	MURATA	获取价格	Ruggedized DC Voltmeters with Daylight Readable Auto-Dimming LED Displays
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