Model PI 800 is a 4½ digit (±19,999 count) industrial process indicator with large, bright, 2¼” (57 mm) tall LED digits legible at up to 75 feet (23 m). It is designed to read out directly in engineering units, such as PSI, GPM or degrees, from a voltage signal such as 0-1V, 1-5 V, 0-10V or 1-10V. Scaling adjustments and decimal point selection are accessible from the front by removing an access plug.
The sealed surface-mount case provides protection for installation in dirty or damp environments. Three mounting methods are provided for: thru-panel mounting, raised surface mounting, or flush surface mounting. Electrical connections are via screw terminals. Please see our Mechanical Section. Standard power is 115 Vac.
Options include 230 Vac power, an excitation output adjustable from 1.3 to 24 Vdc to drive transducers, an analog output of 1 mV count to drive recording devices, and a NEMA-4 enclosure.
A Two-Year Warranty is standard.
DC Voltage Ranges | ||
Range | 0-5 V & 1-5 V | 0-10 V |
Maximum Input | 130 Vp | 250 Vp |
Input Resistance | 1 Mohm | 1 Mohm |
Bias Current | 50 pA | 5 pA |
Calibration Unless Specified | 1V = 0000, 5V = 19,999 |
Input Configuration | |
Configuration | Single-ended, bipolar |
Zero | Automatic |
Zero Offset Control | -0.5 to + 1.1 Vdc |
Span (User Adjustable) | 500 to 19,999 counts |
Accuracy at 25ºC | |
Maximum Error | ±0.01% of reading ±1 count |
Linearity | ±1 digit typical |
Span Tempco, max | ±0.005% of full scale (19,999) per ºC |
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 |
Display | |
Type | 7-segment, red-orange LED |
Digit Height | 2.25" (57mm) |
Symbols | -1.8.8.8.8 |
Decimal Points | Four positions programmable by DIP switch accessible from front of meter |
Over-range Indication | Four right-hand digits blink 0000 |
Power | |
AC Voltage | 115 or 230 Vac ±15%, 47-400 Hz |
Power Consumption | 5 W (nominal without EO option) |
Output Voltages | 1.3 to 24 Vdc @ 30 mA max (EO Option) |
Environmental | |
Operating Temperature | -10 to +60°C |
Storage Temperature | -40 to +85°C |
Relative Humidity | 95% at 40ºC, non-condensing |
Protection | Case sealed against dust and moisture |
Mechanical | |
Dimensions | See Mechanical Section |
Weight | 2.8 lbs (1.3 kg) |
Case Material | Vacuum formed ABS |
Window Material | Red acrylic, silk-screened |
Electrical Connections | Rear access screw terminals |
Mounting | Surface or thru-panel. See Mechanical Section. |
Analog Output (AO) Option | |
Output Scaling | 1 mV per displayed count. |
Accuracy & Settability | ±1 mV |
Excitation Output (EO) Option | |
Output Voltage | 1.3 to 24 Vdc at 30 mA max. |
Calibration | Internally adjustable |
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