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參數資料
| 型號： | DMS-30PC-3-RL |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 3 1/2 DIGIT LED DISPLAY LOW POWER MINIATURE DIGITAL PANEL VOLTMETERS |
| 中文描述： | 3 1 / 2位LED顯示小功率微型數字面板電壓表 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 155K |
| 代理商： | DMS-30PC-3-RL |
DATEL, Inc., Mansfield, MA 02048 (USA)
Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356
Email: sales@datel.com
Internet: www.datel.com
Features
Figure 1. DMS-30PC Series Simplified Schematic
The DMS-30PC Series is a broad line of self-contained, fully operational, 3
digit voltmeters 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 and 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 filter 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 thermocouples, etc.), the DMS-30PC Series includes a complete line of optional
"plug-on" application boards that conveniently convert your meter into an applica-
tion-specific instrument.
Large (0.56"/14.2mm) LED display
7 LED colors
Low-power LED’s optional
Epoxy-encapsulated, 12-pin DIP with
built-in color filter and bezel
Mniature 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
Actual Size
3 Digit, LED Display
Low-Power, Mniature
Digital Panel Voltmeters
DMS-30PC Series
+1.23V REFERENCE OUT
(+) INPUT HI
(–) INPUT LO
ANALOG
COMMON
REFERENCE OUT
REFERENCE IN
+5V SUPPLY
R1
DP 1
DP 2
DP 3
6
5
4
9
11
12
10
8
7
1
3
DC/DC
CONVERTER
2
DISPLAY TEST
5V RETURN
+5V
–5V
+5V
1.23V
REF.
R2
≈
+2.0V
DATA
909k
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.
V+
V–
A/D
CONVERTER
0 Vdc
0.01μF
1.82k
1
1
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| DMS-30PC-3-YS | 3 1/2 DIGIT LED DISPLAY LOW POWER MINIATURE DIGITAL PANEL VOLTMETERS |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DMS-30PC-3-RL-C | 功能描述:數字面板表 3.5Digit+-200VInput Low Power Red RoHS:否 制造商:Murata Power Solutions 設備類型:AC Voltmeters 顯示器類型:LED, 3 Digit, Red 工作電源電壓:85 VAC to 264 VAC 工作電源電流:50 mArms 輸入電流:50 mA 輸入頻率: 輸入電壓:120 VAC 系列:DMS-20PC-1-LM |
| DMS-30PC-3-RS | 功能描述:數字面板表 3.5Digit+-200VInput Std Red RoHS:否 制造商:Murata Power Solutions 設備類型:AC Voltmeters 顯示器類型:LED, 3 Digit, Red 工作電源電壓:85 VAC to 264 VAC 工作電源電流:50 mArms 輸入電流:50 mA 輸入頻率: 輸入電壓:120 VAC 系列:DMS-20PC-1-LM |
| DMS-30PC-3-RS-C | 功能描述:數字面板表 3.5Digit+-200VInput Std Red RoHS:否 制造商:Murata Power Solutions 設備類型:AC Voltmeters 顯示器類型:LED, 3 Digit, Red 工作電源電壓:85 VAC to 264 VAC 工作電源電流:50 mArms 輸入電流:50 mA 輸入頻率: 輸入電壓:120 VAC 系列:DMS-20PC-1-LM |
| DMS-30PC-3-VFS | 功能描述:數字面板表 3.5Digit+-200VInput Blue-Green RoHS:否 制造商:Murata Power Solutions 設備類型:AC Voltmeters 顯示器類型:LED, 3 Digit, Red 工作電源電壓:85 VAC to 264 VAC 工作電源電流:50 mArms 輸入電流:50 mA 輸入頻率: 輸入電壓:120 VAC 系列:DMS-20PC-1-LM |
| DMS-30PC-3-VFS-C | 功能描述:數字面板表 3.5Digit+-200VInput Blue-Green RoHS:否 制造商:Murata Power Solutions 設備類型:AC Voltmeters 顯示器類型:LED, 3 Digit, Red 工作電源電壓:85 VAC to 264 VAC 工作電源電流:50 mArms 輸入電流:50 mA 輸入頻率: 輸入電壓:120 VAC 系列:DMS-20PC-1-LM |
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