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DP-176

$54.00

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Description

3 1/2 digit LCD, Flatpack

The DP-176 Series is an ultra-thin, low-power DPM well suited to portable or battery-powered applications. The DP-176 meter uses 9V power (only 1.6mW) and accepts only differential inputs that are isolated from the motor?s power source. The DP-176S meter has the same features, but uses 5V power (15mW) and is used for either differential or single-ended signals.

The input voltage range is ±200mV. Usage with higher voltage ranges requires external scaling resistors. Automatic polarity, overrange indication, and user selectable decimal point are standard features. The 9V version includes a BAT indicator in the lower-left corner of the LCD, which illuminates when the supply voltage drops below 7.2V.

The DP-176 Series employs a dual slope integrating A/D converter and operates from an internal 100mV reference via a precision DC-to-DC converter. Typical accuracy is ±0.1%. Both versions use an internal bandgap reference for temperature stability. Reference voltage pins enable ratiometric measurements or input offset adjustments.

The flatpack package provides 15-pin solder pads for easy connection to the meter. An optional bezel mounting kit is also available

Features

  • Convenient flat panel package
  • Shallow depth (0.32")
  • Ideal for battery operation
  • Very low power consumption (9VDC @ 180µA)
  • 9V version for differential inputs
  • 5V version for differential or single-ended inputs
  • 0.1% typical accuracy
  • User-selectable decimal point
  • Overvoltage protection
  • Quantity discounts

Connections

Pin No. Pin Name Description
1 VDD Power supply (+5V or +9V)
2 TST Digits test (connect to pin 1)
3 INHI(+) Positive input signal
4 INLO(-) Negative input signal (see Technical Note 1)
5 GND Power supply ground
6 RFL External reference low
7 RFH External reference high
8 COM Analog Common
9 ROL Internal reference low
10 ROH Internal reference high
11 DP3 1.XXX (connect to +VDD to turn on)
12 DP2 1X.XX (connect to +VDD to turn on)
13 DP1 1XX.X (connect to +VDD to turn on)
14 NC No connection required
15 NC No connection required

Applications

  • Battery-powered equipment
  • Handheld devices
  • Field service instruments
  • Marine equipment
  • Power supply monitoring
  • Automotive equipment

Specifications

Common Mode Rangeu00b11VDC
Weight0.9oz (25g)
Warmup, typical10 min
Input Bias Current1pA typical, 100pA max
Relative Humidity0 to 95% non-condensing
Package StyleFlatpack w/ solder pads
Digit Height.50in (12.7mm)
Overrange Indication1---for positive, -1---for negative
Storage Temperature-10 to 60u00baC
Input Offset AdjustmentAuto zero
Supply Current, typical180u00b5A
Common Mode Rejection>86dB
Type7-segment LCD
Full-Scale Inputu00b1200mV
Accuracyu00b1(0.1% +1 count) typ u00b1(0.2% +2 counts) max
BezelB-1B (optional)
Decimal Point3 position selectable
ConfigurationBipolar, differential
Sampling Rate2.5 readings/s
Temperature Drift, typical100 ppm/u00baC
Panel Cutout1.89 x .66
Other Features/OptionsLow BAT annunciator
PolarityAutomatic, "-" for neg input
Control InputsDecimal point select test functions
Supply Voltage7.2-14VDC (9VDC typ)
Dimensions2.37 x 1.50 x .32
Order InfoFlatpack DPM LCD 9V diff u00b1200mV
Input Impedance10Mu03a9
Overrange Protectionu00b1200VDC continuous u00b1300VDC intermittent
Operating Temperature0 to 50u00baC
Digits3u00bd Digits (u00b11999 counts)

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