V125 Martel Electronics, V125 Datasheet - Page 3
![VOLTMETER LCD 200MV 0.5" DIG HT](/photos/6/46/64653/v125_sml.jpg)
V125
Manufacturer Part Number
V125
Description
VOLTMETER LCD 200MV 0.5" DIG HT
Manufacturer
Martel Electronics
Series
Vr
Type
Voltmeterr
Datasheet
1.V125.pdf
(4 pages)
Specifications of V125
Measuring Range
200mVDC
Display Style
Black Characters, Grey Background
Display Type
LCD
Display Face Size
1.22" L x 0.55" W (31.0 x 14.0mm)
Display Digits
3.5
Display Digits - Height
0.492" (12.50mm)
Backlight
Without
Mounting Type
Panel Mount
Termination
PC Pins
Voltage - Supply
7 ~ 12VDC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
227-1060
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
V125D
Manufacturer:
TI/德州仪器
Quantity:
20 000
PIN FUNCTIONS
1.
2.
3.
4.
5.
6.
7.
8.
Solder Links:
L1
CIRCUIT DIAGRAM
INLO
INHI
V+
V-
INHI
INLO
XDP
DP1
DP2
DP3
V+
V-
1
3
4
2
L1
V+
Normally Closed, connects COM to INLO.
Positive power supply connection.
Negative power supply connection.
Positive measuring input with reference to IN LO.
Negative measuring input with reference to IN HI.
Connect to DP1, 2 or 3 to display required decimal point.
Connect to XDP to display Decimal Point 1 (199.9).
Connect to XDP to display Decimal Point 2 (19.99).
Connect to XDP to display Decimal Point 3 (1.999).
1M
R6
100k
R5
3k
R4
1.5k
R2
100nF
300k
C3
R1
R3
220nF
100nF
68nF
C1
C2
C4
100k
C5
100pF
27
28
29
31
30
32
34
33
35
36
40
39
38
INT
BUF
A/Z
IN HI
IN LO
COM
CREF+
CREF-
REF LO
REF HI
OSC1
OSC2
OSC3
IC1
V+
V- TEST
26
1
www.martelmeters.com
POL
bc4
37
b1
d1
b2
d2
b3
d3
BP
a1
c1
e1
g1
a2
c2
e2
g2
a3
c3
e3
g3
f1
f2
f3
5
4
3
2
8
6
7
12
11
10
9
14
13
25
23
16
24
15
18
17
22
19
20
21
R10
100k
Q1
3904
V+
23
19
25
22
17
16
14
12
10
15
24
21
20
28
26
11
27
1
3
2
4
5
8
7
Analogue inputs must be no closer than 1V
to either the positive or negative supply.
a1
b1
c1
d1
e1
f1
g1
a2
b2
c2
d2
e2
f2
g2
a3
b3
c3
d3
e3
f3
g3
POL
ab4
COM
R11
100k
LCD1
LOBAT
DP1
DP2
DP3
3½ Digit LCD Voltmeter Module
18
13
199.9
19.99
1.999
9
6
R9
1M
R8
1M
R7
1M
page 3 of 4
6
7
8
5
DP1
DP2
DP3
XDP