Product Description
The Intrinsically Safe Field Display is a 4-digit loop-powered local monitor for the Easidew PRO I.S. and Easidew I.S. transmitters. It is certified with ATEX, IECEx, and FM and housed in an IP66 enclosure with a terminal compartment for wiring. The measurement unit can be labelled as ppmV, ppmW, °C dp or °F dp.
Product Features
- Loop powered 4-20mA indicator. Intrinsically safe certified with ATEX, IECEx, and FM
- Operating temperature between -40 and +70°C (-40 and +158°F)
- Bold 34mm high 4 digit display with optional backlight
- Robust GRP enclosure providing IP66 protection. Can be mounted by itself or inside a sampling system enclosure
- Built-in terminal compartment for easy wiring
- Two optional galvanically isolated solid state alarm outputs
Technical Specification
| Input | |
| Current (dp) | 4 to 20mA |
| Voltage drop | Less than 1.2V at 20°C (68°F) Less than 1.3V at –40°C (-40°F) Less than 5V with optional loop powered backlight |
| Display | |
| Type | Liquid crystal, non-multiplexed 4 digits 34mm high |
| Resolution | Dewpoint 0.1 °C/°F ppmV / ppmW 1 for 1000 – 9999 0.1 for 100.0 – 999.9 0.01 for 10.00 – 99.99 0.001 for 0.000 – 9.999 |
| Span | Adjustable between 0 & ±9999 with 20mA input |
| Zero | Adjustable between 0 & ±9999 with 4mA input |
| Over-Range/Under-Range | 9999 or –9999 with all decimal points flashing |
| Certification (Display Only) | |
| ATEX | Group II Category 1GD Ex ia IIC T5 Ga Ta = -40 to +70°C |
| IECEx | Ex ia IIC T5 Ga Tamb = -40 to 70°C |
| FM | CL I, II, III: Div 1: GP A, B, C, D, E, F & G T4 @ 70°C (158°F) |
| Environmental | |
| Operating Temperature | -40 to +70°C (-20 to +60°C for FM version) (-40 to +158°F (-4 to 140°F for FM version)) |
| Storage Temperature | -40 to +85°C (-40 to +185°F) |
| Humidity | To 95% at 40°C (104°F) non-condensing |
| Enclosure | IP66 |
| Mechanical | |
| Terminals (dp) | Screw clamp for 0.5 to 1.5mm2 conductors |
| Weight | 1.7kg (3.75 lbs) |
| Accessories | |
| Backlight | Green, loop powered. Voltage drop of indicator plus backlight less than 5V |
| Alarms | Two alarm outputs each of which may be independently configured. Isolated solid state switch complying with requirements for simple apparatus Ron 5Ω + 0.7V max Roff 1MΩ min |
| External Keypad | Membrane keypad enables indicator to be configured without removing cover |
| Stainless Steel Legend Plate | Etched legend plate with tag number or application attached to front of the instrument |
| Pipe Mount Kit | Stainless steel bracket secured by two stainless steel worm drive hose clips for 60 to 80mm (outside diameter) vertical or horizontal pipe |
Any Question at
+92 51 4862395
Office # 06, Rose-1 Plaza
I-8 Markaz, Islamabad
Mon-Sat
9 am – 5 pm
Send your mail at
info@tetracon.com.pk