DK720-730
LCD Digital Panel Meters
Specifications Installation and Operating Instructions
Miniature Window Mount 3½ Digit LCD
FEATURES
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SPECIFICATIONS
DISPLAY
Digits:
Type:
Polarity:
Decimal Points:
Overrange:
INPUTS
Ranges:
Protection:
Impedance:
PERFORMANCE
Accuracy:
Conversion Rate:
Normal Mode Rejection:
Common Mode Range:
Common Mode Rej.:
Zero Adjustment:
Warmup:
Temperature Coeff.:
ENVIRONMENT
Operating Range:
Storage Range:
Low-cost
Window mount
Ultra-thin space-saving design: only 0.8” deep including connector
Occupies less than 1.3 X 0.7 inches of front panel space
3½ digits with high-contrast LCD
Choice of positive or negative RED or GREEN
Low power
ORDERING INFO
PART NUMBER
3 ½ digits (±1999 counts)
7 segment backlit LCD
automatic, “-” displayed
3 position, user-selectable
three lower order digits blank for
inputs >1999
BACKLIGHT COLOR METER INPUT
METER POWER
DK720 .................... POS GREEN ....................200mV ...........±5VDC or +9V
DK721..................... POS GREEN ....................... 2V ...............±5VDC or +9V
DK722..................... NEG GREEN ....................200mV.............±5VDC or +9V
DK723..................... NEG GREEN ....................... 2V ...............±5VDC or +9V
DK724....................... NEG RED ......................200mV ...........±5VDC or +9V
200 mV, 2 V
100 V on 200 mV, 250 V on 2 V
100 MΩ on 200 mV, 1 MΩ on 2 V
DK725....................... NEG RED ......................... 2V ...............±5VDC or +9V
±(0.1% of F.S. +1 count)
2.5 per second
>30 dB @ 60Hz.
±1Vdc
>86 dB
automatic
10 minutes typical
±100 ppm per °C typical
DK730 .................... POS GREEN.....................200mV ...................... +5VDC
DK726....................... POS RED ......................200mV ...........±5VDC or +9V
DK727 ...................... POS RED.......................... 2V ...............±5VDC or +9V
DK731..................... POS GREEN........................ 2V .......................... +5VDC
DK732..................... NEG GREEN.....................200mV ...................... +5VDC
DK733..................... NEG GREEN ....................... 2V .......................... +5VDC
DK734....................... NEG RED.......................200mV ...................... +5VDC
DK735....................... NEG RED ......................... 2V .......................... +5VDC
DK736 ...................... POS RED.......................200mV ...................... +5VDC
0 to 60 °C
-10 to 70 °C
DK737....................... POS RED.......................... 2V .......................... +5VDC
POWER SUPPLY
Backlight OFF:
Backlight ON:
+5 V (+4.75 VDC to +5.5 VDC) @
500 µA typical
±5 V or +9V +7.2 VDC to 12 VDC) @
250 µA typical
+5 V @ 60 mA typical
±5 V or +9 V @ 20 mA typical
Note: Backlight current can be reduced by
adding an external resistor between BL and VMOUNTING
window mount
bezel mount (optional)
CONNECTION
13 pin
C-TON Industries
ACCESSORIES
PW2-5........................................ Regulated 120V AC to 5V DC Power Supply
PW2-12.................................... Regulated 120V AC to 12V DC Power Supply
7M-BEZ.................................................................................. Optional bezel
CVC...............................................................................................Calibrator
• PO Box 11746 • Memphis, TN 38111 • USA (603) 471-0158 • email: info@ctonindustries.com
LCD Digital Panel Meters
Specifications Installation and Operating Instructions
DK720-730
Miniature Window Mount 3½ Digit LCD
DIMENSIONS
Optional Bezel and Cutout
WIRING
PIN # PIN NAME DESCRIPTION
1
DP COM CONNECT TO SELECTED DECIMAL POINT
2
DP1
DP XXX.X
3
DP2
DP XX.XX
4
DP COM CONNECT TO SELECTED DECIMAL POINT
5
DP3
DP X.XXX
6
INHI
INPUT SIGNAL HI
7
INLO
INPUT SIGNAL LO
8
V+
+5 VOLT POWER, +9 VOLT POWER
9
BL
CONNECT TO V- FOR BACKLIGHTING
10 V-
-5 VOLT POWER, GROUND FOR 5V OR 9V POWER
11 AG
CONNECT TO INLO FOR ISOLATED OPERATION
12 NC
NO CONNECTION REQUIRED
13 NC
NO CONNECTION REQUIRED
C-TON Industries
• PO Box 11746 • Memphis, TN 38111 • USA (603) 471-0158 • email: info@ctonindustries.com
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