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DMS-30PC Series
3? Digit, LED Display Low-Power,
Miniature Digital Panel Voltmeters
The DMS-30PC Series is a broad line of self-contained, fully operational, 3? digit volt-
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Large (0.56"/14.2mm) LED display
8 LED colors
Low-power LED’s optional
Epoxy-encapsulated, 12-pin DIP with built-in color
?lter and bezel
Miniature size:
2.17" x 0.92" x 0.56"(55mm x 23mm x 14mm)
Panel or pc-board mountable
4 differential input voltage ranges
Auto-calibration, ±1 count accuracy
User-selectable decimal point placement
Single +5V supply (60mW for low-power models)
0 to +60°C temperature range
Numerous "plug-on" application boards
Low cost
meters with large, easy-to-read LED displays. The 0.56"(14.2mm) high LED's are available
in a wide variety of colors including red, orange, amber, yellow, green, aqua, blue-green, and
super-blue. A high-intensity version of the red display is optional, as are low-power versions
of the red, orange, and green displays.
The small size (2.17" x 0.92" x 0.56") of DMS-30PC meters is achieved by integrating
their display, display drivers, reference circuit, and A/D converter into in a single, epoxy-
encapsulated assembly. The device's 12-pin, component-like, DIP package is both vibration
and moisture proof. Each package incorporates a built-in color ?lter and bezel and is easily
mounted in either panels or pc cards.
These meters are available in four differential input voltage ranges (±200mV, ±2V, ±20V
and ±200V). Input impedance is 1,000 megohms for the ±200mV and ±2V inputs and 1
megohm for the ±20V and ±200V inputs. CMRR for all devices is 86dB, and inputs are
overvoltage protected to ±250V.
Each meter incorporates an extremely stable, double-regulated reference and is fully
calibrated prior to potting. We guarantee outstanding initial accuracy (±1 count) and
excellent stability (±0.15 counts/°C). All models operate from a single +5V supply, and the
low-power models draw as little as 10mA (50mW total power). A DISPLAY TEST function is
standard on each device.
For popular applications (4-to-20mA, rms-to-dc conversion, ac line power, J and K ther-
mocouples, etc.), the DMS-30PC Series includes a complete line of optional "plug-on" appli-
cation boards that conveniently convert your meter into an application-speci?c instrument.
SIMPLIFIED SCHEMATIC DIAGRAM
+5V SUPPLY
1
+5V
–5V
V+
0.01μF
R2 (1)
12
(–) INPUT LO
DISPLAY TEST
2
DC/DC
CONVERTER
V–
R1
909k
11
(+) INPUT HI
? +2.0V
5V RETURN
3
0 Vdc
A/D
CONVERTER
10 ANALOG
COMMON
1.23V
DP 3
4
DATA
REF.
9
+1.23V REFERENCE OUT
1.82k
DP 2
DP 1
5
6
+5V
8
7
REFERENCE OUT
REFERENCE IN
(1) R2 is not used on ±200mV (-0) models or ±2V (-1) models.
R2 = 100k on ±20V (-2) models and 9.1k on ±200V (-3) models.
　
For full details go to
www.murata-ps.com/rohs
Figure 1. DMS-30PC Series simpli?ed schematic
www.murata-ps.com/dpm
Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000
MPM_DMS_30PC.F05 Page 1 of 6
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相关代理商/技术参数
DMS-30PC-1-RL 功能描述:数字面板表 3.5 Digit +-2V Input Low Power Red RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM
DMS-30PC-1-RL-C 功能描述:数字面板表 3.5 Digit +-2V Input Low Power Red RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM
DMS-30PC-1-RS 功能描述:数字面板表 3.5 Digit +-2V Input Std Red RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM
DMS-30PC-1-RS-C 功能描述:数字面板表 3.5 Digit +-2V Input Std Red RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM
DMS30PC-1-RS-C 制造商:Murata Power Solutions 功能描述:Std red LED digital voltmeter,2V 14mm
DMS-30PC-1-VFS 功能描述:数字面板表 3.5 Digit +-2V Input Blue-Green RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM
DMS-30PC-1-VFS-C 功能描述:数字面板表 3.5 Digit +-2V Input Blue-Green RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM
DMS-30PC-1-YS 功能描述:数字面板表 3.5 Digit +-2V Input Std Yellow RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM