Tek-Trol Tek-LCD 7802A-0K1 Flow Rate/Totalizer Indicator
Brand New
Manufacturer warranty Description
Tek-Trol, Tek-LCD 7802A-0K1, NEMA 4X Loop-Powered Flow Rate/Totalizer Indicator
Features:
- 4-20 mA Input Loop-Powered
- 5-Digit, 0.7" (0.05 ft) Upper Display
- 7 Alphanumeric Characters, 0.4" (0.03 ft) Lower Display
- Loop or External DC-Powered Backlight Standard
- Safe Touch Through-Window Button Programming
- Password Protection
- 3.0 V Drop without Backlight
- Plastic NEMA 4X, IP65 Enclosure
- Flanges for Wall or Pipe Mounting
- Linear, Square Root, or Programmable Exponent
- Operates from -40 °C to 75 °C
- Rate in Second, Minute, Hour, or Day
- Open Collector Pulse or Alarm Output
The Tek-LCD 7802A is a plastic field-mounted loop-powered rate/totalizer fully featured for demanding applications in the harshest environmental conditions. The meter derives all of its power from the 4-20 mA loop. It is programmed using the four through-window buttons, without removing the cover, and can be scaled with or without a calibration signal. The numeric rate display will read up to 99999 and the alphanumeric total/tag display will read up to 9999999. The alphanumeric display can also be programmed to show any combination of numbers and letters up to seven characters long for use as engineering units and/or the process identification tag. The backlight lets you see the display under any lighting condition and can be powered from either the 4-20 mA loop or from a separate DC power supply. The enclosure has three threaded conduit holes, integrated pipe or wall mounting flanges, and allows for easy installation of tamper seals.
Dimensions:
Technical details
- Weight 1.65 lbs (26.4 oz, 0.75 kg)
- Enclosure NEMA 4X, IP65 plastic field enclosure. Color: grey. Material: Polycarbonate with UV Stabilizer. Three 3/4" NPT threaded conduit openings. Two 3/4" NPT plastic conduit plugs, with 1.29″ wrenching flats and a screwdriver slot, are included.
- Mounting May be mounted directly to the conduit. Two slotted flanges for wall mounting or NPS 1-1/2" to 2-1/2" or DN 40 to 0.21 ft pipe mounting
- Display Upper: Five digits (-9,999 to 99,999) 0.70″ (0.05 ft) high, 7-segment, automatic lead zero blanking. Lower: Seven characters 0.4″ (0.03 ft) high, 14 segment alphanumeric. Symbols: for high & low alarm, password lock. Backlight: white
- Connections Screw terminals accept 12 to 22 AWG wire
- Relative Humidity 0 to 90% non-condensing
- Operating Temperature Range -40°C to 75°C (-40°F to 167°F).
- Storage Temperature Range -40°C to 75°C (-40°F to 167°F).
- Overall Dimensions 5.67″ x 5.25″ x 4.18″ (W x H x D) (0.47 ft x 0.43 ft x 0.34 ft)
- Display update rate Ambient > -25°C (77°F): 2 Updates/Second. Ambient < -25°C (77°F): 1 Update/5 Seconds
- Non-volatile Memory All programmed settings are stored in non-volatile memory for a minimum of ten years if power is lost.
- Normal Mode Rejection 64 dB at 50/60 Hz
- Overrange Display flashes 99,999
- Noise Filter Programmable Lo, Med, Hi, or Of
- Under Range Display flashes -9,999
- Max/Min Display Max/Min readings reached by the process are stored until reset by the user or until power to the meter is turned off.
- Programming Method Four SafeTouch® through-window buttons when the cover is installed. Four internal pushbuttons when the cover is removed.
- Recalibration Recalibration is recommended at least every 12 months.
- Password Programmable password restricts modification of programmed settings.
- Display Orientation The display may be mounted at 90° increments up to 270° from a default orientation.
- Advanced Functions Live input calibration, linearization, square root, or programmable exponent
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