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参数资料
| 型号： | DPM500SL-2 |
| 厂商： | Martel Electronics |
| 文件页数： | 1/2页 |
| 文件大小： | 0K |
| 描述： | LCD DPM 3.6-6.5V/2V 3.5 DIG BKL |
| 标准包装： | 1 |
| 显示器位数： | 3.5 |
| 安装类型： | 面板安装 |
| 电源电压： | 3.6 ~ 6.5V |
| 其它名称： | 227-1019 |
DPM 500
3? Digit LCD Module
The DPM 500 uses advanced components and construction techniques to provide a uniquely compact unit. The meter is in a 40 pin
DIL integrated circuit format that can be plugged directly into a DIL socket or panel mounted using the snap in bezel. For single rail use,
the DPM 500S-BL features a built in negative rail generator, enabling the meter to measure a signal referenced to its own power supply
0V.
12.5mm (0.5“) Digit Height
Programmable Decimal Points
Auto-zero
Auto-polarity
200mV d.c. Full Scale Reading (F.S.R.)
Backlit Single Rail Version (DPM 500S-BL)
Annunciators
- +
° C ° F
μ A
mV
k ?
MHz
SCALING
Two resistors Ra and Rb may be fitted in order to alter the
full scale reading (F.S.R.) of the meter - see table.
Meter will need re-calibration.
Required F.S.R. Ra Rb
2V Note 910k 100k
20V Note 1M 10k
200V Note 1M 1k
2kV Note 1M 100R
200 μ A 0R 1k
2mA 0R 100R
20mA 0R 10R
200mA 0R 1R
Standard Meter
Backlit Single Rail Version
Specification
Accuracy (overall error)*
Linearity
Sample rate
Operating temperature range
Temperature stability
Supply DPM 500
voltage DPM 500S-BL
Supply current DPM 500
(not inc. backlighting) DPM 500S-BL
Backlight Voltage
(DPM 500S-BL) Current
Input leakage current (Vin = 0V)
Min.
0
7.5
3.5
Typ.
0.05
3
100
9
5
150
250
30
1
Max.
0.1
±1
50
14
6.5
5
60
10
Stock Number
DPM 500
DPM 500S-BL
Unit
% (±1 count)
count
sample/sec
°C
ppm/°C
V
μ A
V
mA
pA
NOTE
Ensure link 10 is cut if fitting Ra.
* To ensure maximum accuracy, re-calibrate periodically.
CONNECTOR SOURCING GUIDE
SAFETY
(0.04) (0.32)
METHOD 40 Pin DIL IC Socket
To comply with the Low Voltage Directive (LVD 93/68/EEC), input voltages to the module’s pins must not exceed 60Vdc. If voltages to the
measuring inputs do exceed 60Vdc, then fit scaling resistors externally to the module. The user must ensure that the incorporation of the
DPM into the user ’s equipment conforms to the relevant sections of BS EN 61010 (Safety Requirements for Electrical Equipment for
Measuring, Control and Laboratory Use).
DIMENSIONS All dimensions in mm (inches)
1.1 8.2
60.0 (2.36)
45.0 (1.77)
a. DPM 500 6.7 (0.26)
DPM 500S-BL 12.1 (0.48)
b. 4.80 (0.19)
Panel cut-out = 57 x 27 (2.24 x 1.06)
Display in TEST mode
5.0
(0.19)
52 (2.05)
a 4.0 (0.16)
1
7
12
20
9
11
-
+
40
21
-
+
1
13 12 3
10
Rb
40
1
2
7
4
Ra
7
5
12
14
15
20
8
21
DPM 500S-BL ONLY
ON-BOARD LINKS
OPTIONAL SCALING
RESISTORS
1.87 0.5 2.54 REAR VIEW
(0.07) (0.02) (0.1)
PANEL FITTING
Fit the bezel to the front of the panel and locate the meter into the bezel from behind. Alternatively the meter and bezel may be assembled before
fitting to the front of the panel but care must be taken not to use excessive force. Finally fit the window into the front of the bezel.
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