Tek-Trol Tek-LCD-7800C-L2N Loop-Powered Process Indicator
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Manufacturer warranty Description
Tek-Trol, Tek-LCD-7800C-L2N, Panel Mount Loop-Powered Process Indicator with Bargraph, 2 Relays
Features:
- Loop-Powered Backlight with Red Backlight for Alarm Conditions.
- 5-Digit Alphanumeric Top Line.
- 8-Digit Alphanumeric Bottom Line.
- Displays Level in Feet and Inches (up to 999 Feet, 11 & 15/16 inches).
- 20-Segment Bar Graph with Numeric Percent Indication.
- Conformal Coated PCBs for Dust and Humidity Protection.
- Two Open Collector Outputs Standard.
- Display Relay Runtime and Cycle Count.
These loop-powered TEK-LCD 7800C Panel Mount Loop-Powered Process Indicators are digital panel meters that can be installed virtually anywhere to provide a convenient and informative display of any 4-20 mA signal. One of the most convenient features of TEK-LCD 7800C is its dual line display, which is typically used to display the process variable on a 5-digit alphanumeric top line and units/tag on the 8-digit alphanumeric bottom line.
TEK-LCD 7800C Indicator can also display the inputs in one scale on the top line (such as feet) and another scale on the bottom line (such as gallons). For customers who prefer to see their levels represented in digital format, we do offer a model that displays the level in feet and inches. Both of these lines use 14-segment, alphanumeric characters for clear indication of tags, units, or alarm messages. Further enhancing the display on this indicator, it is a 20-segment bar graph, which also includes a numeric value of the percentage the bar graph represents.
TEK-LCD 7800C Panel Mount Loop-Powered Process Indicator can be installed virtually anywhere because it gets the power from a 4-20 mA loop and therefore doesn't require a separate power source.
Dimensions:
Technical details
- Accuracy ±0.05% FS ±0.001mA
- Version Indicator with Bargraph / 2 Relays
- Temperature Range Operating Temperature: -40°F to 167°F(-40°C to 75°C) for safe area products -40°F to 158°F (-40 to 70°C) for hazardous area products Storage Temperature: -40°F to 185°F (-40 to 85°C)
- Relative Humidity 0 to 90% non-condensing (Printed circuit boards are conformally coated)
- Backlight White
- Display update rate Ambient > -13°F: 2 Updates/Second Ambient < -13°F: 1 Update/5 Seconds
- Symbols High & Low Alarm, Password Lock
- Normal Mode Rejection 64 dB at 50/60 Hz
- Overrange Display flashes 99999
- Under Range Display flashes -9999
- 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 through-window buttons when cover is installed Four internal push-buttons when cover is removed
- Recalibration Recalibration is recommended at least every 12 months.
- Password Programmable password restricts modification of programmed settings
- Five Digits Top Display (-9999 to 99999) 3/4" (17.8 mm) high 14-segment alphanumeric Automatic lead zero blanking
- Seven Characters (Engineering Units) 1/2" (10.2 mm) high 14-segment alphanumeric
- Non-Votalite Memory All programmed settings are stored in non-volatile memory for a minimum of ten years
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