Electro-Numerics, Inc.
42213 Sarah Way, Temecula, CA 92590, USA


Tel: 800-854-8530 (USA)
Tel: 951-699-2437 
Fax: 951-695-7246


    DIN SERIES Model EN35P & EN35E
3 Digit LED Process Meters

Low-cost, 1/8 DIN size, screwdriver adjustable, 3 digit digital panel meters.
Process meter (Model EN35P) or process meter with excitation (Model EN35E).


DIN Series 3-1/2 digit digial panel meter and process meter


  • Process Meter (EN35P) & Process Meter with Excitation Output (EN35E)
  • Low Cost Replacements for Newport Models 202A-P and 202A-E
  • 4-20 mA, 0-20 mA, 1-5 V, 0-10 V Ranges
  • 115 Vac Power
  • Broad Range Adjustable Scaling
    20 to 1999 Counts
    1000 Counts
  • Screw Terminal Connections
  • 1/8 DIN Case
  • Jumper Selectable Decimal Point, Polarity and LSD On/Off
  • 2 Year Warranty


  • 9-32 Vdc Power
  • 230 Vac Power


Models EN35P and EN35E are low cost, 3 digit (1,999 count) digital process meters accepting DC voltage or current loops typically supplied by process transducers. These meters fit a standard 1/8 DIN cutout (92 mm x 45 mm) and are direct replacements for Newport Models 202A-P and 202A-E, with the exception of case length. 115 Vac power is provided standard,  230 Vac and 9-32 Vdc power are available as options. Broad-range scaling and zero offset allow these meters to display directly in engineering units. Decimal points, polarity (- or none) and LSD on/off (display of 1,999 or 199) are selectable by jumper on the display board.

Model EN35P is a process indicator only, while model EN35E provides the additional feature of DC excitation voltage output. This output may be used to provide transducer power in a two- or four-wire configuration. High quality construction and conservative design makes this display the choice for industrial applications. A two-year warranty is standard.


  DC Voltage Ranges
  Range   0-5 V   0-10 V   1-5 V   1-10 V
  Maximum Input   250 V   250 V   250 V   250 V
  Input Resistance   1 MOhm   1 MOhm   1 MOhm   1 MOhm
  Bias Current   5 pA  5 pA   5 pA   5 pA
  DC Current Loop Ranges
  Range   0-20 mA   4-20 mA
  Resolution   55 mA   10 A
  Input Resistance   13 Ohm   10 Ohm
  Bias Current   50 pA    50 pA
  Burden Voltage   200 mV   200 mV
  Input Configuration
  Configuration   Differential, bipolar
  Zero Offset Control   1000 counts (ZO Option)
  Span Adjustment   20 to 1999 counts
  Noise Rejection
  NMR   56 dB, 50/60 Hz
  CMR, AC GND to SIG GND   120 dB, DC to 60 Hz
  CMR, SIG LO to SIG GND   120 dB, DC to 60 Hz
  CMV, AC GND to SIG GND   1500 Vp per HV test
  Accuracy at 25C
  Maximum Error   0.05% of reading 1 count
  Span Tempco   0.03% of reading per C
  Zero Tempco   0.01% of offset per C
  Step Response   500 ms
  Warmup to rated accuracy   2 min
  Analog to Digital Conversion
  Technique   Dual slope, average value
  Polarity   Automatic and selectable, (- or none)
  Integration Period   330 ms
  Read Rate   3 readings / second
  Type   7-segment, red-orange LED
  Digit Height   0.56" (14.3 mm)
  Symbols   -
  Decimal Points   Three positions programmable internally
  or at connector J1
  Overrange Indication   Three least significant digits blank
  Least Significant Digit (LSD)   Controllable on/off on display board.
  Display to 1999 or 199
  Digital Controls
  HOLD Input   TTL or 5 V CMOS compatible
  Excitation Output (Model EN35E)
  Output Voltage   4.5 to 24 Vdc, adjustable
  Output Current   50 mA max.
  AC Voltage   115 or 230 Vac +15%- 10%, 47-400 Hz
  DC Voltage   9-32 Vdc, isolated to 300 Vp
  Power Consumption   2.5 W (nominal)
  Output Voltages   +5 Vdc and -5 Vdc, 10 mA max.
  Operating Temperature   -10 to +60C
  Storage Temperature   -40 to +85C
  Relative Humidity   95% at 40C, non-condensing
  Dimensions   1/8 DIN case (see Dimensions & Mounting)
  Weight   340 g (12 oz)
  Case Material   94 V-0 UL-rated polycarbonate
  Window Material   Red acrylic, silk-screened
  Dimensions   1/8 DIN case (see Dimensions & Mounting)
  Power & Signal (opt.)   T1 screw-terminal barrier strip
  Standard I/O Connector
  J1 dual 18-pin edge-card connector, P/N 411-606



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Electro-Numerics, Inc., 42213 Sarah Way, Temecula, CA 92590, USA
Tel: 800-854-8530 (USA), 951-699-2437;  Fax: 951-695-7246;  sales@electronumerics.com