Transmitters for Moisture Content in Oil

Water activity sensor1)

HC1000-400

Measuring range1)

0...1aw

Accuracy incl. hysteresis and nonlinearity in air
- Special calibration against certified standards
- Standard calibration

+ 0.01aw (0...0.9aw) + 0.02aw (0.9...1aw)
+ 0.02aw (0...0.9aw) + 0.03aw (0.9...1aw)

Temperature dependence of electronics

typ. + 0.0001 [1/^oC] (typ. + 5.6 * 10-5 [1/^oF])

Temperature dependence of sensing probe

typ. + (0.00002 + 0.0002 x aw) x T [^oC] T = T - 20^oC

Response time with stainless steel filter at 20^oC / t90

typ. 10min in still oil

Temperature

Temperature sensor element

Pt1000 (tolerance class A, DIN EN 60751)

Working range sensing probe

-40...180^oC (-40...356^oF)

Temperature dependence of electronics

typ. + 0.005^oC/^oC

Outputs

Two freely selectable and scaleable analogue outputs

0 - 5V
0 - 10V
4 - 20mA
0 - 20mA

-1mA < IL < 1mA
-1mA < IL < 1mA
RL < 500 Ohm
RL < 500 Ohm

Adjustable measurement range

Water activity

from up to units
         aw   01

Temperature

T -40 (-40) 180 (356) ^oC (^oF)

Water content ³⁾

x 0 1000 ppm

General

Supply voltage

SELV 8...35V DC SELV = Safety Extra Low Voltage
SELV 12...30V AC (optional 100...240V AC, 50/60Hz)

Current consumption :
- 2x voltage output
- 2x current output

for 24V DC/AC:

typ. 40mA
typ. 80mA

Pressure range sensing pobe

0.01...10bar (0.15...145psi)

System requirements for software

WINDOWS 98 or later; serial interface

Serial interface for configuration 4)

RS232C

Housing / Protection class

PC or Al Si 9 Cu 3 / IP65; Nema 4

Cable gland

M16 x 1.5 cable 4.5 - 10 mm (0.18 - 0.39")

Electrical connection

screw terminals up to max. 1.5mm (AWG 16)

Sensor protection

stainless steel filter

Operating temperature range of electronics

-40...60^oC (-40...140^oF)

Working and storage temperature range Housing with display

-20...50^oC (-4...122^oF)

Storage temperature

-40...60^oC (-40...140^oF)

Electromagnetic compatibility according to

EN61000-6-2 EN 61000-6-3

ICES-003 ClassB

EN 61326-1+A1+A2

FCC Part15 ClassB

Options

Display

graphical LCD (128x32 pixels), with integrated push- buttons for selecting parameters and MIN/MAX function

Alarm outputs

2 x 1 switch contact: 250V AC / 6A and 28V DC / 6A threshold + hysteresis can be adjusted with configuration software

Switching parameters (freely selectable)

aw Water activity
T Temperature
x Water content