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参数资料
| 型号： | DMS-20RM-3-DC2-R-C |
| 厂商： | Murata Power Solutions Inc |
| 文件页数： | 1/4页 |
| 文件大小： | 0K |
| 描述： | AC VOLTMETER 300V RANGE DC POWER |
| 产品培训模块： | DMS-20RM Series |
| 产品目录绘图： | Digital Panel Meter |
| 特色产品： | DMS-20RM Series AC Voltmeters |
| 标准包装： | 12 |
| 系列： | DMS-20RM |
| 类型： | 伏特表 |
| 测量范围： | 0 ~ 300VAC |
| 显示器样式： | 红色字符，黑色背景 |
| 显示器类型： | LED |
| 显示器正面尺寸： | 1.30" L x 0.80" W（33.0 x 20.3mm） |
| 显示器位数： | 3.5 |
| 显示器位数 - 高度： | 0.370"（9.40mm） |
| 背光： | 无 |
| 安装类型： | 面板安装 |
| 端子： | 端接块 |
| 电源电压： | 10 ~ 40VDC |
| 其它名称： | 811-1989 |
www.murata-ps.com
FEATURES
?
?
? Measures the rms value of complex ac voltages
? Three input ranges: 20Vac, 200Vac and 300Vac
?
?
?
? Two operating-supply options: 85-264Vac, or +10-40Vdc
? Input circuit fully isolated from operating power supply
? 47-1kHz input frequency range
?
? Fully encapsulated plastic package measures 1.38” x
0.88” (35mm x 22.4mm)
?
? Large, easy-to-read, red LED display is visible from 12
feet (4m)
DMS-20RM Series
True-rms ac Voltmeters with Isolated Inputs
Murata Power Solutions’ DMS-20RM series are four-wire, self-contained ac voltmeters
that measure and display the true-rms values of complex ac waveforms. Because the input
circuitry is electrically isolated from the unit’s operating power source, these voltmeters
can measure signals down to zero volts. No external isolation transformers or auxiliary
power supply conditioning components are required. Simply connect the input signal and a
source of operating power (85-264Vac, or an optional +10-40Vdc) to the two rear-mounted
terminal blocks and the unit is fully operational.
DMS-20RM rms voltmeters are available in a choice of three input ranges: 20Vac
(with 0.01V resolution); 200Vac (0.1V resolution); and 0-300Vac (1V resolution). An input
frequency range of 47-1kHz makes these voltmeters ideal for all ac voltage monitoring
applications. And, unlike conventional, average-responding products, these meters can
measure and accurately display the true-rms value of triangle waves, square waves, or
other irregularly shaped waveforms with 0.4% full-scale accuracy.
The large (0.37”/9.4mm), bright red LED display makes the DMS-20RM ac voltmeters
easily readable from as far as 12 feet (4 meters). All units are packaged in a red-?lter case
with a built-in bezel; these meters are fully encapsulated to make them moisture and vibra-
tion resistant. Their miniature size is perfect for high-end consumer electronics, laboratory
instrumentation, alternative power generators and other products requiring precise ac line
monitoring.
TYPICAL WIRING DIAGRAMS
FUSED
FUSED
AC POWER
SUPPLY
AC POWER
SUPPLY
FUSED
+ 10-40Vdc
- DC POWER
SUPPLY
TB1
A
B
TB1
A
B
TB1
A
B
TB2
TB2
Figure 1B.
Powered by and measuring the same AC power source.
TB2
AC VOLTAGE
TO BE MEASURED
Figure 1A.
Powered by AC supply while measuring separate AC signal.
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/dpm
AC VOLTAGE
TO BE MEASURED
Figure 2.
Powered by DC power supply while measuring AC signal.
email: sales@murata-ps.com
MPM_DMS-20RM.A06 Page 1 of 4
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