BL Flat Packs
Big Little Digital Panel Meters
BL-176
BL-177
Backlighting Options
•
Non-Backlit LCD
Black on Grey Background
The M
ODUTEC
BL Digital panel meter gives you all the
functionality you need with none of the extras you don’t
need. That means simplicity, easy readability, small
footprint, and a low cost.
•
Ultra compact form factor with optional flat back design on BL-176 or BL-177
•
Value priced
•
Low power consumption
The M
ODUTEC
BL is easy-to-read and provides a variety of indicators
— all in a compact unit.
•
3
1
/
2
digit readout, full scale 1999 display
•
1
/
2
" high digits on a high contrast LCD
•
Auto-polarity (-) displayed
•
“LO-BAT” indication on 9VDC power units
Ease of assembly is one of the BL’s most valuable benefits.
•
13 pin connection or solder pad connections
•
Easy to install bezel mount, order 00-907062-002 for bezel kit
The BL offers a variety of flexible features to meet your unique
applications needs.
•
User selectable decimal points
•
Choice of 200mV, 2V or 20V input
•
Choice of 9VDC, +5VDC; or 5 VDC power
Applications
Telecommunications
Water Purification
Sewage Treatment
Flow
Process
Desalinization
DC Amps
DC Volts
sales@jewellinstruments.com • www.jewellinstruments.com • 800 638-3771
BL Series Bezel, Window and Surface Mount Dimensional Drawings (
mm
/
in
)
BL-176
6.1
.24
60
2.36
BP
E1
B1
G1
AB
Note: Do not solder to pins.
NC
NC
D1
D2
D3
ROH
ROL
COM
RFH
RFL
V–
INLO
INHI
TST
V+
38.1
1.50
30
1.18
2.5
D (4)
.098
.76
.03
BL-177
6.1
.24
60
2.36
30
1.18
2.5
D (4)
.098
30.5
1.20
2.54
0.10
9.1
.36
Bezel Mounting (BL-176 and BL-177)
6.1
.24
2.5
R max (4)
.010
Panel Cutout
62.5
2.46
64.5
2.54
32.5
1.28
V+
V–
NC
TST
COM
INLO
INHI
RFL
RFH
ROH
D3
D2
D1
8.4
.33
34.3
1.35
9
.35
How to Order
a
b
c
BL Series Specifications
1
02
Display
BL
-
17
6
Terminals
a
6 = Solder Pads
7 = 13 Pins
DPM Power
b
1 = 9VDC
2 = +5v and -5VDC
3 = +5VDC
Input
c
01 = 200mVDC
02 = 2VDC
03 = 20VDC
Example: BL-176102 is a 9VDC (battery powered)
with solder pads, and a 2VDC input.
Female Connector for BL-177 order: 00-939033-091
Digits:
3
1
/
2
digits, 7 segments Non-Backlit LCD (1999)
Digit Height:
0.5" (12.7 mm)
Polarity:
Automatic (-) displayed
Decimal Point:
Three positions, external selection
Overload:
Three lower digits blank for readings greater than 1999 counts
Low Battery:
“Low Bat” annunciator for <7.2V (9V power only)
Performance
Accuracy:
(0.1% rdg + 2 count) with + 5 and 5V power
(0.1% rdg + 1 count) with 9V power
Conversion Rate:
2.5 per second
Common Mode Voltage Range:
1V maximum
Common Mode Rejection:
> 86 db
Zero Adjust:
Automatic
Tempco:
100 PPM/°C typical
Standard Analog Inputs
Full Scale Range:
Choice 200mV, 2V, or 20V. Special Ranges and engineering units available
Configuration:
True differential input and references
Ratiometric Operation:
-176, -177
Protection:
250V DC or 150V RMS continuous 300V intermittent maximum
Bias Current:
1 pA typical, 10 pA maximum
sales@jewellinstruments.com • www.jewellinstruments.com • 800 638-3771
850 Perimeter Road • Manchester, NH 03103 • USA
BL Series Specifications (continued)
Standard Power Options
9V Battery:
9V isolated, 7.2-12V at 150 uA
+5V and -5VDC:
5V 5% at 100 uA
+5V:
5V 5% at 3 mA
Connectors
13 connector pins, 0.025" square
15 solder pads
Environment
BL-177
Series BL-176
Operating
2
:
0°C to +50°C
Storage:
-20°C to 70°C
2
Extended operating ranges available. Please consult factory.
Connector Pin Designations
V+, V-
NC:
TST:
COM:
IN HI, IN LO:
RFL, RFH:
ROH, ROL:
D1, D2, D3:
BP, E1, B1, G1, AB:
Accessories and Options:
Positive & negative connections for power supply
Not Connected
Return for +5V power
Internal reference voltage return. Input common for 9V units
Signal inputs
Differential reference inputs
On board reference terminals. ROL on BL-176 only
Decimal point selection: Connect to V+ as follows:
D1=X.XXX
D2=XX.XX
D3=XXX.X
Can be used for underrange and overrange signal for external
auto ranging on the BL-176
•
Female connector for BL-100, -130, 177, -300, -330, -400, 430, -500, -530, -600, -630 series:
Order 939099-091
•
For display hold function add suffix “-H” to catalog number
•
For coated board and solid front cover add suffix “-MI” to catalog number
•
For special OEM requirements, other input ranges, wider operating temperature, or other features,
contact factory.
sales@jewellinstruments.com • www.jewellinstruments.com • 800 638-3771
850 Perimeter Road • Manchester, NH 03103 • USA
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