廬
廬
DMS-3019X Series
Actual Size
Alternate Source for DP-650
Series, 3錕?frac12; Digit, LCD Display
Digital Panel Voltmeters
DATEL's new DMS-3019X Series, 3錕?frac12; Digit, LCD Display, Digital Panel Voltmeters
provide DP-650 users with a superior-quality alternate source. The DMS-3019X
Series input/output connector is pin-compatible with nearly all DP-650 applications.
Only minor sheet-metal modifications are needed to attain all the advantages offered
by the DMS-3019X Series digital voltmeters.
Three differential, high-impedance, input voltage ranges are available: 鹵200mV
(DMS-30193), 鹵2V (DMS-30194) and 鹵20V (DMS-30195). Provisions are also
included for the addition of custom input-scaling resistors鈥?a feature found only on
DMS-3019X meters. Autozero calibration, autopolarity changeover and a factory-
calibrated ultra-stable reference circuit are standard. A reliable, epoxy-encapsulated
DMS-30LCD digital voltmeter, with large (0.4"/10.2mm) LCD digits, is used in all three
models. All internal and external connections are 100% soldered鈥?no elastomeric
connectors are used.
The DMS-3019X Series offers many noteworthy improvements over its competi-
tors: wider operating temperature range, lower power consumption and higher input
impedance, to name a few. And, most importantly, all DATEL digital panel meters are
designed and manufactured in the USA!
Features
鈥?/div>
Replaces DP-650, DP-652 and
DP-654 meters
鈥?/div>
Connects directly to existing wiring
鈥?/div>
Available in three input ranges:
鹵200mV, 鹵2V and 鹵20V
鈥?/div>
Low power consumption
鈥?/div>
Wider operating temperature
range (0 to +60擄C)
鈥?/div>
Rugged, epoxy-encapsulated
plastic packages
鈥?/div>
Large (0.4"/10.2mm) LCD displays
鈥?/div>
Made in the USA!
+5V
V+
1
V+
R4
聦
R3
V鈥?/div>
鈮?2.0V
3
DP COM
0 Vdc
A/D
CONVERTER
DATA
DP 3
4
1.23V
REF.
GAIN
ADJUST
909k
R2
聧
聧
R1
7
8
(鈥? INPUT LO
鈥?V
2
GND
DC/DC
CONVERTER
0.01碌F
(+) INPUT HI
DP 2
5
+5V
DP 1
6
9
DISPLAY TEST
聦
R4 is not used on the 鹵200mV or 鹵2V models.
R4 = 100k on the 鹵20V model.
聧
R1 and R2 are user supplied.
Figure 1. DMS-3019X Simplified Schematic
DATEL, Inc., Mansfield, MA 02048 (USA)
鈥?/div>
Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356
鈥?/div>
E-mail: sales@datel.com
鈥?/div>
Internet: www.datel.com
DMS-30194相關(guān)型號PDF文件下載
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廠商
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