BL Flat Packs Big Little Digital Panel Meters Backlighting Options • Non-Backlit LCD Black on Grey Background The MODUTEC 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 Water Purification Sewage Treatment The MODUTEC 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 Ϯ 200mV, Ϯ 2V or Ϯ 20V input • Choice of 9VDC, +5VDC; or Ϯ 5 VDC power

BL Series Bezel, Window and Surface Mount Dimensional Drawings ( mm/in ) BL-176 Note: Do not solder to pins. Panel Cutout Terminals a 6 = Solder Pads 7 = 13 Pins DPM Power b 1 = 9VDC 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 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...

BL Series Specifications (continued) Standard Power Options 13 connector pins, 0.025" square Operating2: 0°C to +50°C Storage: -20°C to 70°C 2 Extended operating ranges available. Please consult factory. 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...