Industrial Transmitter for Dew Point Measurement Exact dew point monitoring is increasingly playing a more important role in many industrial applications, such as drying processes, air pressure pipelines, etc. For these purposes the multifunctional EE35 Series offers the ideal features. The EE35 Series is based on a functional, user-friendly housing concept and on the proven polymer humidity sensors of the HC Series. A specially developed autocalibration process enables measurements in a measurement range of -60...60°C Td (-76...140°F Td), with a Td measurement accuracy of ±2°C (±3.6°F). Two freely configurable and scalable analogue outputs are available for the two measurement values (Td, T). An optional hygrostat output, which can be set by means of a potentiometer, provides an alarm signal in a simple way when a threshold of the permitted dew point is exceeded. An optional display for the measurement values and the associated MIN/MAX values allows a quick overview of the current situation. Autocalibration Dew points in the range of -60...-20°C (-76...-4°F) at room temperatures correspond to relative humidity values of 0.08...5.37% RH. The measurement of such low humidity values is not possible with conventional capacitive measurement methods. For the EE35 Series, a special autocalibration process is used to compensate for the usual drift effects and thus to achieve high accuracy measurements also at -60°C Td (-76°F Td). Installation In addition to the direct mounting of the dew point probe, a ball valve installation enables the mounting and removal of the probe without having to interrupt the running process. Alarm Output An optional alarm module with one relay output is available for control and alarm purposes. The setting of the Td threshold can be easily done with the potentiometer on the printed circuit board. Integrated power supply A power supply, integrated in the back module of the housing, can be ordered optionally (100...240V AC, 50/60Hz; ordering code V01). The power supply V01 is available for both polycarbonate and metal housing and comes standard with two plugs for supply and outputs to allow an easy connection. Typical Applications industrial processes monitoring of air pressure pipelines warehouses drying processes paper industries chemical industries 104 Features measuring range -60...60°C Td (-76...140°F Td) accuracy of measurement ±2°C Td (±3.6°F Td) traceable calibration alarm output for dew point autocalibration V2.7 / Modification rights r
Open the catalog to page 1Installation Example Housing Dimensions (mm) Housing: polycarbonate housing ball valve installation (pressure-tight up to 20bar/290psi) For use in harsh industrial environments the EE35 series is available in a robust metal housing. EE35-xEx Remote probe for T up to 60°C (140°F) and pressure-tight up to 20bar (290psi) Probe material: stainless steel code “cable length” 15 (0.59”) code “probe length” minimum installation depth fixed installation (pressure-tight up to 20bar/290psi) 1/2” ISO or 1/2” NPT maximum installation depth bore diameter: >13.1 (0.5”) Connection Versions Standard Power supply...
Open the catalog to page 2Technical Data Measuring Quantities Dew point HC1000-400 standard calibration: special calibration: ≤ ±2°C (≤ ± 3.6°F) Sensor Measuring range Accuracy of temperature measurement at 20°C (68°F) Sensitivity error at full scale Temperature dependence of electronics Two freely selectable and scaleable analogue outputs xx...yy°C T, Td/Tf / xx...yy°C respectively Supply voltage - voltage output - current output Storage temperature range Electromagnetic compatibility according to Technical Data for Options Display Connection Diagram uncertainty of measurement ±2 degC -60 limit of measuring range -80...
Open the catalog to page 3- Display + housing cover in metal („D05M“) - Display + housing cover in polycarbonate („D05P“) - Stainless steel sintered filter („HA010103“ - Interface cable for plug C06 („HA010311“) - Bracket for installation onto mounting rails*(„HA010203“) *Note: Only for plastichousing, not for metalhousing Hardware Configuration Housing metal housing polycarbonate housing 1) Combination alarm output and plugs is not possible (with cable glands only) / combination alarm output and integrated power supply is not possible 2) Integrated power supply includes 2 plugs for power supply and outputs / further...
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