E+E Elektronik EE33, Руководство пользователя

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EE33 Humidity / Temperature Sensor for High Humidity and Chemical Applications
13 Technical Data
Measurands
Relative humidity
Measuring range 0...100 %RH
Accuracy 1) (including hysteresis, non-linearity and repeatability)
-15...40 °C
(5...104 °F)
≤ 90 %RH ± (1.3 + 0.003*mv) %RH
mv = measured value
-15...40 °C
(5...104 °F)
> 90 %RH ± 2.3 %RH
-25...70 °C
(-13...158 °F)
± (1.4 + 0.01*mv) %RH
-40...180 °C
(-40...356 °F)
± (1.5 + 0.015*mv) %RH
Temperature dependency of electronics, typ. ± 0.01 %RH/°C
(0.0055 %RH/°F)
Response time t
90
, typ.
< 15 s
with stainless steel grid filter at 20°C
(68°F)
Temperature
Working range
Enclosure -40...60 °C
(-40...248 °F)
Enclosure with display -20...50 °C
(-4...122 °F)
Probes
Type T4 -40...120 °C
(-40...248 °F)
Type T5 / T7 / T8 / T10 / T17 -40...180 °C
(-40...356 °F)
Accuracy 1)
Temperature dependency of electronics, typ. ±0.005 °C/°C
Calculated parameters
Unit from to
EE33-xT4 EE33-xT5/T8/T10/T17 EE33-xT7
Dew point temperature Td °C (°F) -40 (-40) 100
(212)
100
(212)
100
(212)
Frost point temperature Tf *
)
°C (°F) -40 (-40) 0
(32)
0
(32)
0
(32)
Wet bulb temperature Tw °C (°F) 0 (32) 100
(212)
100
(212)
—
Water vapour partial pressure
e mbar (psi) 0 (0) 1100
(15)
1100
(15)
—
Mixture ratio r g/kg (gr/lb) 0 (0) 999
(9999)
999
(9999)
—
Absolute humidity dv g/m 3 (gr/ft 3 ) 0 (0) 700
(300)
700
(300)
—
Specific enthalpy h kJ/kg (BTU/lb) 0 (0) 2800
(200)
2800
(200)
—
*
)
Equals Td above 0 °C
(32 °F)
Output
Analogue
0 - 1 V / 5 V / 0 - 10 V
-1 < I
L
< 1 mA
2x freely selectable and scalable 0 - 20 mA / 4 - 20 mA (3-wire)
Load resistance ≤ 500 Ohm
Digital interface
RS232, RS485 (with Option J3, EE33 = 1 Unit Load)
Protocol E+E Industrial Transmitter Protocol
Default settings Baudrate 9 600, parity even, 1 stop bit, ID = unique factory set
Alarm outputs
2x changeover contact
with option AM2 250 V AC / 6 A, 28 V DC / 6 A (measurand, threshold and
hysteresis configurable via EE-PCS)
General
Power supply class III
3)
8 - 35 V DC
12 - 30 V AC
Or 100 - 240 V AC, 50/60 Hz with option AM3
2)
Current consumption, typ.
at 24 V DC / AC 2x voltage output 40 mA / 80 mA
rms
at 24 V DC / AC 2x current output 80 mA / 160 mA
rms
Pressure range for pressure tight probe
Type T7 / T10 / T17 0.01...20 bar
(0.15...300 psi)
Type T8 0.01...100 bar
(0.15...1 450 psi)
±
∆
T [°C]
T [°C]