DPM35R Martel Electronics, DPM35R Datasheet - Page 2

• Manufacturer Part Number: DPM35R
• Description: METER DPM LED 3.5DIGIT RED
• Manufacturer: Martel Electronics
• Series: 35/65r
• Type: Voltmeterr

Specifications of DPM35R

• Measuring Range: 0 ~ 20VDC
• Display Style: Red Characters, Black Background
• Display Type: LED
• Display Face Size: 1.98" L x 0.75" W (50.3 x 19.0mm)
• Display Digits: 3.5
• Display Digits - Height: 0.560" (14.22mm)
• Backlight: Red
• Mounting Type: Panel Mount
• Termination: PC Pins
• Voltage - Supply: 5VDC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 227-1034

Ranging DPMs for Voltage & Current
Connection Descriptions
DPM-35
V +
PIN
GND
DP COM
DP1
DP2
DP3
Input (+)
Input (–)
NC
HOLD
* When attentuating voltages above 20V care must be used to use components rated for higher voltages and that
** Resistors should be 1%, 1/4 wattt with a 100 or 50 ppm temperature coefficient (Note: Recalibration of span
*** Use (2) 4.99 Meg in series if 10 Meg is not available.
Description
+5V DPM Power Supply
DPM Power Supply Ground
Decimal Point Return
1XX.X
1X.XX
1.XXX
Positive Input Signal
Negative Input Signal
No Connection Required
Hold Last Display
proper creepage and clearance distances are used. Refer to UL3111 or IEC 1010.
required if accuracy better than ±1.4% is desired.)
1000V*
200V
VIN
20V
2V
10 Meg***
1 Meg
1 Meg
1 Meg
RA**
RB**
110 k
10 k
1 k
1 k
Wiring Connections
The input common mode range is ± 1Vdc. If INPUT (–) is not
directly conected to GND, a 10k resistor network can be connect-
ed as shown to reduce unstable readings.
Unused pins should be left open.
CAUTION: Damage to the unit can occur if the power source
200 mA
20 mA
2 mA
polarity is reversed, or greater than 6V is applied
between pins 1 & 2.
I in
RB**
100
10
1