Shaw Superdew 3 User manual
Superdew 3
Hygrometer
Operang Instrucons
Issue_0114
EC Declaraon of Conformity
Contents
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
19.0
20.0
21.0
22.0
23.0
24.0
Unpacking your Shaw Moisture Meters Superdew 3 ................................... 4
General Informaon .................................................................................... 5
Safety Informaon ...................................................................................... 6
3.1 Warning ................................................................................................ 6
Installaon .................................................................................................. 7
4.1 Installing the Instrument to the Panel .................................................. 7
4.2 Instrument Wiring ................................................................................ 7
4.3 Power Supply ........................................................................................ 8
4.4 Alarm and Output Cable Connectors .................................................... 8
4.5 Sensor Cable ......................................................................................... 8
Installing the Air/Gas Sampling System ....................................................... 9
Installing and Commissioning the Sensor ................................................... 12
Default Instrument Conguraon .............................................................. 13
Programming the Superdew 3 ................................................................... 13
8.1 Principle of Entering Numerical Data ................................................. 13
Conguring the Superdew 3 ...................................................................... 14
9.1 rAngE .................................................................................................. 14
9.2 oUtPt .................................................................................................. 15
9.3 AL1 and AL2 ........................................................................................ 16
9.5 PASS .................................................................................................... 17
9.6 PAnEL .................................................................................................. 17
Normal Operaon of the Superdew 3 ........................................................ 18
Hotkeys ..................................................................................................... 18
11.1 Alarm Keys ........................................................................................ 18
11.2 Units ................................................................................................. 19
Calibraon (Sensor Ranges up to 0 °C Dewpoint) ....................................... 19
Calibraon (Sensor Ranges up to +20 °C Dewpoint) ..................................... 20
Monitoring the System .............................................................................. 20
Faults/Errors ............................................................................................. 21
Guarantee ................................................................................................. 21
Superdew 3 Specicaon .......................................................................... 22
Appendix A - Superdew 3 Setup Menu Flow Diagram ................................ 23
Appendix B - Alarm 1 & 2 Hotkey Flow Diagram ........................................ 24
Appendix C - Units Hotkey Flow Diagram ................................................... 25
Appendix D - rS485 Protocol ...................................................................... 26
Superdew 3 General Assembly Diagram .................................................... 29
Sensor Diagram ......................................................................................... 30
Sensor Holder Diagram ............................................................................. 30
3
4
1.0 Unpacking your Shaw Moisture Meters Superdew 3
1 Superdew 3 instrument
1 Shaw sensor
as standard
1 sensor holder
1 pressure dewpoint circular calculator
If anything is missing please contact your distributor immediately.
5
2.0 General Informaon
seven segment LED and available in any one of four selectable
segment LED.
Key Control Funcon Hotkey Funcon
Returns the user to the previous
variables.
Used to enter the ‘setup’
menu by pressing and
seconds.
Used to decrease the selected digit
Used to enter the ‘units’
menu.
Used to enter the ‘alarm 1’
menu.
Used to enter the ‘alarm 2’
menu.
ESC
ESC
MENU UNITS AL 1 AL 2
SUPERDEW 3 DEWPOINT HYGROMETER
AL 1 AL 2
AUTOCAL
ESC
6
A user controllable security system.
and unit status when polled.
of the instrument are described within this manual.
3.0 Safety Informaon
BEFORE installaon.
3.1 Warning
3.2 Isolaon
instrument.
Note: The instrument contains no user serviceable parts.
7
4.0 Installaon
4.1 Installing the Instrument to the Panel
the two retaining screws to the studs on either side of the case.
4.2 Instrument Wiring
Wire the Superdew 3 as per gure 1.1 below.
Alarm 1 Alarm 2
Output GND
N
LD
Power Supply
OR
Power Supply
24 V DC
+B A Com NO CNCNO CNC L N GND
gure 1.1
8
4.3 Power Supply
gure 1.1.
4.4 Alarm and Output Cable Connectors
gure
1.1. Note:
observed for the analogue outputs.
4.5 Sensor Cable
gure 1.1.
Route the sensor cable to the intended site of the sensor.
9
5.0 Installing the Air/Gas Sampling System
Piping Installaon Schemac
The sample must not contain Ammonia, Chlorine, Ozone or any wet acid
vapours or liquid as these will permanently damage the sensor and impair
calibraon accuracy.
enough to avoid abrasion to the sensor surface without being so low as to
frost point temperature are displayed on the instrument indicator.
for these reasons that we recommend that the sensor will be installed in a
10
5.1 Piping Installaon Schemac
MAIN
PROCESS
LINE
4B
P
3
5
4A 6
10
11
2
1
9
8
Notes
a. The sample pipe should be on the upper surface of the horizontal pipe or on a vercal secon of pipe
wherever possible.
b. The sample tube should run connually upwards from the sample point. If this is not possible then an
inspecon port or drain tap should be installed at the lowest point in the system.
7
11
5.2 Piping Schemac Component Index
Sample Isolaon Valve
Filter Unit
Sample Tube
can be used where pressure drops are too high.
Pressure Reducon Valve or Pressure Regulator – If the sample is to
be measured at atmospheric pressure then the valve 4A should be
Sample Pressure Gauge
are to be made at higher than atmospheric pressure.
Measuring Sensor
Sensor Holder
Desiccant Chamber
Flow Control Valve
Flow Indicator
Sample Exhaust
returned to the process line as discussed above.
1.
2.
3.
4.
5.
6.
7.
8.
9.
11.
12
6.0 Installing and Commissioning the Sensor
start up.
Refer to the Piping Installaon Schemac
a low pressure purge through the whole sample system.
Note:
dewpoint.
13
7.0 Default Instrument Conguraon
8.0 Programming the Superdew 3
8.1 Principle of Entering Numerical Data
See Appendix A, B & C
Wherever a numerical value has to be entered into the Superdew 3 the
here.
ESC
14
integers and does not use the dp.
9.0 Conguring the Superdew 3
See Appendix A.
SEtUP’ message on the LED as
in the Superdew 3 Setup Menu Flow Diagram (see Appendix
A
the ‘rAngE
then the user is prompted to enter the correct password
will not have been saved.
9.1 rAngE
rAngE
RED’ sensor
rAngErEd’ is selected.
Operaon:
Note:
Note:
ESC
ESC
Note:
Note:
Descripon:
15
While ‘rAngE
rAngE’ screen
without saving any change.
See Superdew 3 Specicaon (pg 22)
on ranges.
9.2 oUtPt
oUtPt
While ‘oUtPt
SPAn
select either ‘HiLo’ or ‘SPAn
Superdew 3 will return to the
‘oUtPt’ screen.
If the ‘SPAn
If either the ‘Lo’ or ‘Hi
now display the current High or Low range value. Use the
and save
by following the same process.
Descripon:
Operaon:
Note:
Operaon:
Note:
Note:
ESC
ESC
16
9.3 AL1 and AL2
While ‘AL1’ or ‘AL2
SEtPt
Superdew 3 will return to the
‘AL1’ or ‘AL2’ screen.
Enter the alarm set point.
Hi
signal ‘Lo’ or ‘OFF’.
Select if the relays are energised ‘EndE-En’
Set if the alarm is latch ‘YES’ or not latching ‘nO’.
Enter the hysteresis value.
9.4 rS485 (Communicaons)
Superdew 3
Superdew 3
ESC
Note:
Descripon:
Operaon:
Note:
‘SEtPt’
‘tYPE’
‘rELAY’
‘LAtCh’
‘HYSt’
Note:
Descripon:
17
While ‘rS485
Addr
select either ‘AddrbAUd
Superdew 3 will return to the
‘rS485’ screen.
If the ‘Addr
save the new address.
Legal addresses are 1 to 32.
If the ‘bAUd
see Appendix B
9.5 PASS
password used to protect the ‘SetUP’ menu.
While ‘PASS
0000
9.6 PAnEL
ESC
Operaon:
Note:
Note:
Note:
Descripon
Operaon
Descripon
18
10.0 Normal Operaon of the Superdew 3
Superdew 3 will display the current moisture value
11.0 Hotkeys
11.1 Alarm Keys
See Appendix C
process.
PAnEL
alarms can only be reviewed.
or
or
Operaon
Descripon
Operaon
19
11.2 Units
See Appendix D
displayed units.
PAnEL
Superdew 3 will display ‘LOC’ and
not change the moisture units.
Superdew 3 moisture units press the
current moisture reading in the currently selected moisture
12.0 Calibraon (Sensor Ranges up to 0 °C Dewpoint)
Ensure the Superdew 3 is powered up.
Descripon
Operaon
1.
2.
3.
If the unit is reading incorrect then use a small screwdriver to
13.0 Calibraon (Sensor Ranges up to +20 °C Dewpoint)
dewpoint by some other method. Careful use of a sling or whirling hygrometer
can achieve accurate results or a cooled mirror device can be used.
Ensure the Superdew 3 is powered up.
14.0 Monitoring the System
operator input.
necessary.
4.
1.
2.
3.
20
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