DPM2000S【PDF 1/2 页】LCD DPM 5V/200MV 3.5 DIG S-RAIL

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DPM 2000

3 ? Digit LCD Module

The DPM 2000 uses advanced components and construction techniques to provide an unrivalled combination of high performance,

elegant appearance and low cost. The module uses a bandgap reference for extra temperature stability. For single rail operation, the

DPM 2000S features a built-in negative rail generator, enabling the meter to measure a signal referenced to its own power supply 0V.

15mm (0.6“) Digit Height

Programmable Decimal Points

Auto-zero

Auto-polarity

200mV d.c. Full Scale Reading (F.S.R.)

Single Rail Version

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.

The meter will need re-calibration.

Standard Meter

Single Rail Version

Stock Number

DPM 2000

DPM 2000S

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 link 1k

2mA link 100R

20mA link 10R

200mA link 1R

NOTE

Ensure that link 10 is open if fitting Ra.

Specification Min. Typ.

Accuracy (overall error) * 0.05

Linearity

Sample rate 3

Operating temperature range 0

Temperature s tability 30

Supply voltage DPM 2000 7.5 9

(V+ to V-) DPM 2000S 3.5 5

Supply current DPM 2000 150

DPM 2000S 500

Input leakage current (Vin = 0V) 1

* To ensure maximum accuracy, re-calibrate periodically.

Max.

0.1

±1

6.5

Unit

% (±1 count)

count

samples/sec

°C

ppm/°C

μ A

SAFETY

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)

72.0

(2.83)

a b

11 4 2 7

ON BOARD

SOLDER LINKS

SCALING RESISTORS

Display in TEST mode

67.5 (2.66)

60.0 (2.36)

?2.50

(0.10)

c d e

LMP

1.00

9.00

1.25

5.50

4.00

0.50

2.54

(0.04)

(0.35)

(0.05)

(0.22)

(0.16)

(0.02)

(0.10)

53.0 (2.09)

62.5 (2.46)

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