LEAK LOCATION, SEAL INSPECTION, FLUID ENGINEERING, DRY AIR PRESSURISATION EQUIPMENT
Worksite protection splice
dry air pressure systems
DEWPOINT MEASUREMENT SENSOR
The HPR200M hygrometer enables the air dewpoint to be controlled as it exits the pressurisation cabinets.This measurement determines the overall operation of the cabinets, and prevents low quality air (moisture-loaded) from being injected into the cables.
This can be very easily fitted to any type of cabinet.
This can be very easily fitted to any type of cabinet.
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SPECIFICATIONS AND CONNECTION
| Useful measurement range | From 40mV to 4920mV using "output measurement" pin corresponding to 10/1230 ppm or a dewpoint between –38°C and –16°C |
| Accuracy | +/-117mV or +/-1°C |
| Factory-programmed alarm | For upper threshold of –20°C or 1020ppm (value can optionally be changed) |
| Hysteresis | –1°C |
| Alarm output upon NO dry contact on idle pin Alarm output upon NF dry contact on working pin |
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| Power supply | 24V AC between N and Ph pins 24V DC between – and + pins |
| Proper function indicator | Green LED |
| Threshold crossing or sensor error indicator | Red LED |
| Switch-selected working pressure range | 1 = off and 2=off: 0/4 absolute bars 1 = on and 2 = off: 0/6 absolute bars 1 = off and 2 = on: 0/8 absolute bars 1 = on and 2 = on: 0/10 absolute bars |
| Diameter of segment inserted into the thermowell | 20mm (optional modified thermowell available) |
| Optional | RS 485 outlet (Rx/Tx pin) or addressing casing for remote readings via minitel, REI querying or TELG@T |
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