Measuring values
Water activity (a
w
) / Water content (x)
1)
Humidity sensor
HC1000-400
Measuring range
0...1 a
w
/ 0...100,000 ppm
Accuracy
2)
-15...40 °C
(5...104 °F)
≤
0.9 a
w
± (0.013 + 0.3%*mv) a
w
-15...40 °C
(5...104 °F)
>0.9 a
w
± 0.023 a
w
-25...70 °C
(-13...158 °F)
± (0.014 + 1%*mv) a
w
mv = measured value
-40...180 °C
(-40...356 °F)
± (0.015 + 1.5%*mv) a
w
Temperature dependence of electronics
typ. ± 0.0001 [1/°C]
(typ. ± 5.6 * 10
-5
[1/°F])
Temperature dependence of sensing probe
typ. ± (0.00002 + 0.0002 x a
w
) x
∆
T [°C]
∆
T = T - 20 °C
Response time at 20 °C
(68 °F)
/ t
90
typ. 10 min in still oil
temperature (t)
Temperature sensor
Pt1000 (tolerance class A, DIN EN 60751)
Working range sensing probe
-40...180 °C
(-40...356 °F)
Accuracy
Temperature dependence of electronics
typ. ± 0.005 °C/°C
outputs
Two analogue outputs
0 - 1 / 5 / 10 V
-1 mA < I
L
< 1 mA
(freely selectable and scalable)
4 - 20 mA
3-wire
R
L
< 500 Ohm
0 - 20 mA
3-wire
R
L
< 500 Ohm
Digital interface
RS485 with Modbus RTU, up to 32 devices in one bus
Ethernet with Modbus TCP
General
Power supply class III
(EU) / class 2 (NA)
8...35 V DC
12...30 V AC
100...240 V AC, 50/60Hz with option AM3
3)
Current consumption - 2x voltage output
for 24 V DC/AC: typ. 40 mA
- 2x current output
typ. 80 mA
Pressure range sensing probe
0.01...20 bar
(0.15...300 psi)
Probe material
Stainless steel 1.4404 / AISI 316L
Enclosure material
for plastic enclosure
Polycarbonate UL94-V0 approved
for metal enclosure
Stainless steel 1.4404 / AISI 316L
Protection class
IP65
Cable glands
for plastic enclosure
M16 x 1.5, for cable Ø 3 - 7 mm
(0.12 - 0.28”)
for metal enclosure
M16 x 1.5, for cable Ø 4.5 - 10 mm
(0.18 - 0.39”)
Electrical connection
Screw terminals up to max. 1.5 mm²
(AWG 16)
Working and storage temperature electronics
-40...60 °C
(-40...140 °F)
without display
-20...50 °C
(-4...122 °F)
with display
Electromagnetic compatibility
EN61326-1
EN61326-2-3 ICES-003 ClassA
Industrial Environment
FCC Part15 ClassA
Alarm outputs (2 relays)
3)
250 V AC / 6 A
28 V DC / 6 A
System requirements for EE-PCS software
Windows XP or higher; USB port
1) ppm output is valid in the range 0...100 °C (32...212 °F)
2) Including hysteresis, non-linearity and repeatability, traceable to intern. standards, administrated by NIST, PTB, BEV...
The accuracy statement includes the uncertainty of the factory calibration with an enhancement factor k=2 (2-times standard deviation).
The accuracy was calculated in accordance with EA-4/02 and with regard to GUM (Guide to the Expression of Uncertainty in Measurement).
3) Appropriate for outdoor use, wet location, degree of pollution 2, overvoltage category II, altitude up to 3000 m (9843 ft).
∆
°C
°C
29
Operating instructions for EE360 Moisture in Oil
7 technical data
