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


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


      468 Series "Flip-Digit" Process Indicators
4", 6" or 9" Digit Height, 4-Digits, for Voltage,
Current Loop or Frequency Signals

Accurate display of pressure, temperature, flow, etc., readable
over long distances indoors or outdoors in bright sunlight.



  • Large 4",  6" or 9" Tall Flip Digits
  • Readable up to 360 Feet (9" Digits)
  • For Process Voltage, Current Loop, or Frequency Inputs
  • Broad Range Scaling: 500 to 9,999
  • Microprocessor Electronic Design
  • Sealed Surface Mount Case
  • Conduit Box Connections
  • 115 Vac Power
  • 18-Month Warranty


  • 24Vdc Excitation Output (6" & 9" Models)
  • Frequency / Rate Signal Input
  • Low Temperature Operation
  • Dummy (dead) Zero
  • NEMA-4 Enclosure
  • 230 Vac or 12 Vdc Power


These large digit process indicators feature a large-digit, 4-digit (9,999) flip digit display which can be scaled for readout in engineering units such as PSI, GPM, or degrees. Depending on the model, the signal may be a DC voltage (1-5 V, 0-10 V, etc.), a DC current loop (4-20 mA, 0-20 mA etc.), or a frequency (30 Hz to 10 KHz). The units are microprocessor controlled. Broad Range Scaling is accessible from the front by removing an access plug.

Exceptional viewing distance, even outdoors in bright sunlight, is achieved with large, 4", 6" or 9" tall, fluorescent yellow electromagnetic flip digits. The sealed surface-mount case provides protection for dirty or damp environments. Please see our Mechanical Section for dimensions. Standard power is 115 Vac.

Options include 230 Vac power, 12 Vdc power, 24V dc excitation voltage output to power transducers, special scaling, decimal points, and low temperature operation.

An 18-Month Warranty is standard.


  DC Voltage Input (468-4/6V)
  Range   0-5 V & 1-5 V   0-10 V   1-10 V
  Maximum Input   130 Vp   250 Vp   250 Vp
  Input Resistance   1 Mohm   1 Mohm   1 Mohm
  Bias Current   50 pA   5 pA    1 pA
  Calibration Unless Specified   1V = 0000, 5V = 9,999
  DC Current Input (468-4/65I)
  Range   0-20 mA   4-20 mA  
  Maximum Input   35 mA   35 mA
  Input Resistance   125 ohm   125 ohm
  Calibration Unless Specified   4 mA = 0000, 20 mA = 9,999
  Frequency Input (468-4/6, FI)
  Frequency Range   30 Hz to 10 KHz
  Display Scaling   500 to 9999 counts (adjustable)
  Signal Amplitude   200 mV to 100 V p/p
  Accuracy  10.5 counts max, including linearity at 25C
  Temperature Effect (0 to 66C)   Zero: 0.22 counts/C max
  Span: 0.28 counts/C max
  Input Configuration (Voltage & Current Inputs)
  Configuration   Single-ended, bipolar
  Zero   Automatic
  Zero Offset Control   0 to 4 mA (468-4/6I)
  -0.5 to + 1.1 Vdc  (468-4/6V)
  Span (User Adjustable)   500 to 19,999 counts
  Accuracy at 25C
  Maximum Error   0.01% of reading 1 count
  Linearity   1 digit typical
  Span Tempco, max   0.005% of full scale (9,999) per C max
  Step Response   500 ms
  Warmup to rated accuracy   10 min
  Analog to Digital Conversion
  Technique   Dual slope, average value
  Polarity   Automatic, (-) sign only
  Integration Period   330 ms
  Read Rate   2.5 readings / second
  Type   7-segment, fluorescent yellow, electromagnetic
  Digit Height   4",  6" or  (102, 152 or 229 mm)
  Symbols   -
  Decimal Points   Specified at time of ordering
  Over-range Indication (>9999)   Upper segment bards displayed
  Under-range Indication (<9999)   Lower segment bards displayed
  AC Voltage   115 or 230 Vac 15%, 50/60 Hz
  DC Voltage   12 Vdc, 10%
  Power Consumption   200 W peak while flipping digits
  Output Voltage   24 Vdc @ 500 mA max (EO Option)
  Operating Temperature   0 to +66C, -32 to +66C with T option
  Storage Temperature   -40 to +85C
  Relative Humidity   95% at 40C, non-condensing
  Protection   Case sealed against dust and moisture
  Dimensions   See Mechanical Section
  Weight   8.5 lb (3.9 kg), 4" digits
  12.5 lb (5.7 kg), 6" digits
  Case Material   Black painted aluminum, ABS back panel
  Window Material   Clear acrylic
  Electrical Connections   Pigtail leads via conduit box
  Mounting   Surface mount



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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