Tek-Trol Tek-LCD 7805B-0L0 Large Display Loop-Powered Meter
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Manufacturer warranty Description
Tek-Trol, Tek-LCD 7805B-0L0, Explosion-Proof Large Display Loop-Powered Meter
Features:
- 4-20 mA input
- Modern, sleek and practical enclosure for safe areas
- 3½ digits, 1" (0.08 ft) display
- Display mountable at 0°, 90°, 180°, and 270°
- Easy calibration and installation
- 1 V drop (4 V with backlight)
- Explosion-Proof, IP68, NEMA 4X Enclosure
- Flanges for wall or pipe mounting
- HART protocol transparent
The Tek-LCD 7805B is an explosion-proof, loop-powered process Indicator with 1" display digits in a field-mountable enclosure designed for demanding applications in hazardous areas or in the harshest environmental conditions. The meter derives all of its power from the 4-20 mA loop with a small 1 V drop so there is no need to run additional, costly power lines into a hazardous area. The Tek-LCD 7805B loop-powered indicator carries FM, CSA, ATEX, and IECEx approvals for use in hazardous areas. It is programmed using four easy-to-access, front-mounted control dials.
Dimensions:
Technical details
- Weight 5.00 lbs (80 oz, 2.27 kg)
- Enclosure Explosion-proof die-cast aluminum with glass window, 0.30% max copper content, corrosion-resistant epoxy coating, color: blue. NEMA 4X, IP68. Two 3/4" NPT threaded conduit openings. One 3/4" NPT nickel-plated brass conduit plug with 0.03 ft hex key fitting installed.
- Dimensions 5.65″ x 5.25″ x 4.86″ (0.47 ft x 0.43 ft x 0.40 ft) (W x H x D)
- Accuracy ±0.1% of full span ±1 count
- Mounting Mounted directly to conduit. Two slotted flanges for wall mounting or NPS 1-1/2" to 2-1/2" or DN 0.13 ft to 0.21 ft pipe mounting
- Calibration Range 4 mA input: -1000 to +1000; 20 mA between 20 and 2000 counts greater than 4 mA display. Two-point linear display span
- Voltage Range 9-36 VDC
- Connections Screw terminals accept 12 to 22 AWG wire
- Relative Humidity 0 to 90% non-condensing
- Operating Temperature Range -40 °F to 167 °F (-40 °C to 75 °C)
- Storage Temperature Range -40 °F to 167 °F (-40 °C to 75 °C)
- Input Range 4-20 mA
- Display update rate 2.5 Updates/Second
- Temperature Drift 150 PPM/°F from -40 °F to 167 °F (-40 °C to 75 °C) ambient
- Over Range Display reads 1 on the leftmost digit
- Normal Mode Rejection 60 dB rejection ratio
- Programming Method Four front-mounted rotary control dials are accessed when the cover is removed
- Recalibration Recommended at least every 12 months
- Display Orientation Mounted at 90° increments up to 270° from default orientation
- HART Transparency Analog input will not interfere with existing HART communications on the wired 4-20 mA signal
- Maximum Voltage drop 1 VDC at 20 mA without backlight; 4 VDC at 20 mA with loop-powered backlight.
- Input Overload Over current protection to 2 A max
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