E+E EE35 Specifications
EE35
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
Features
industrial processes
monitoring of air pressure pipelines
warehouses
drying processes
paper industries
chemical industries
104
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 reserved
EE35
Housing Dimensions (mm)
Installation Example
Housing:
polycarbonate housing metal housing
135 (5.3”)
163 (6.4”)
For use in harsh industrial environments the EE35 series is available in a
robust metal housing.
90 (3.5”)
135 (5.3”)
66.5 (2.6”)
90 (3.5”)
Model:
32
∅13 (0.51”)
(1.3”)
code “probe length”
∅12 (0.47”)
code “cable length”
15 (0.59”)
EE35-xEx
Remote probe for T up to 60°C (140°F)
and pressure-tight up to 20bar (290psi)
Probe material: stainless steel
66.5 (2.6”)
ball valve installation
1/2” ISO or 1/2” NPT
1/2” ISO or 1/2” NPT
(pressure-tight up to
20bar/290psi)
bore diameter:
>13.1 (0.5”)
23 (1”)
64 (2.5”) resp. 164 (6.5”)
Connection Versions
Standard
2x M16x1.5
minimum installation depth
maximum installation depth
Plug Option C03
Lumberg
RKC 5/7
fixed installation
(pressure-tight up to 20bar/290psi)
1/2” ISO or 1/2” NPT
bore diameter:
(0.5”)
>13.1
Plug Option C06
Lumberg
RSC 5/7
M16x1.5
EE35
V2.7 / Modification rights reserved
Power supply +
Analogue output
105
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