Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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Product Manual
For Use with Easidew I.S. and Easidew PRO I.S.
Features
Loop powered 4-20mA indicator. Intrinsically safe certified with ATEX, IECEx, UKCA and FM
Operating temperature between -40 and +70°C
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
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, UKCA and FM and housed in an IP66 enclosure with a terminal compartment for wiring. The measurement unit can be labelled as ppmV, ppm W, °C dp or °F dp.
Specification
| Input | |
| Current (dp) | 4 to 20mA |
| Voltage drop |
Less than 1.2V at 20°C Less than 1.3V at –40°C 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/UKCA |
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 |
| Environmental | |
| Operating Temperature | -40 to +70°C (-20 to +60°C for FM version) |
| Storage Temperature | -40 to +85°C |
| Humidity | To 95% at 40°C non-condensing |
| Enclosure | IP66 |
| Mechanical | |
| Terminals (dp) | Screw clamp for 0.5 to 1.5mm2 conductors |
| Weight | 1.7kg |
| 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 |
Customer Service QQ
Customer Hotline：
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