ILTSU series
Submersible Dual Level & Temperature Transmitter
Stainless steel, piezo-resistive sensor
Level accuracy: <0.1% FS BFSL
Depth ranges from 0-48" (0-4ft) to 0-360" (0-30ft) WG
Temperature range: -20 to +60ºC
Dual independent 4-20mA outputs
Suitable applications
River level & temperature
Reservoir level & temperature
Tank level & temperature
Borehole level & temperature
Aquifer level & temperature Environmental monitoring
V-notch weir flow measurement
Pressure Ranges
Nominal Pressure, Gauge
Permissible Overpressure
Temperature Range
Temperature range
The ILTSU is designed for use in continuous
submersion in liquids such as water, oil and
fuels. The probe uses the latest piezo-
resistive media-isolated silicon sensing
technology and a stainless steel diaphragm.
Housed within a 316L stainless steel, or
high grade Duplex stainless steel housing,
this submersible transmitter is the ideal
product for hydrostatic level measurement
where temperature is also a critical part of
the measurement.
It offers excellent stability, repeatability and
resolution, as required for use in rivers and
reservoirs.
This type incorporates a Class ‘B’ accuracy
platinum resistance thermometer.
Every device is temperature compensated,
calibrated and supplied with a traceable
serial number and calibration certificate.
Level Performance
Accuracy (Non-Linearity & Hysteresis)
<±0.1% / FS (BFSL)
inchWG
inchWG
40
400
200
2000
400
2000
ºC
-20 to +60
Setting Errors (offsets)
Permissible Load
Influence Effects
Zero & Full Scale, <±0.5% / FS
R
max
= [(Voltage Supply-9)/0.02]Ohms
Supply
<0.005% FS / 1V
Load
0.05% FSO / kOhm
Temperature Performance
Measurement Accuracy
Thermal drift
Loop Voltage effect
Maximum output load
Output Timing
(mA output/2000) or 5µA (whichever is the greater)
1 µA/ºC
0.2µA/V
[(Vsupply-10)/21] kOhms
(Example: 700 Ohms @ 24V)
Transmitter start up time: 4 seconds (I out <4mA during
start up)
Warm up time: 1 minute to full accuracy
Update time: 500ms
Response time: 1 second
Output Signals and Supply Voltages
Output
Supply Voltage
Level (2-wire)
4-20mA
9-32Vdc
Connection
+ve Supply
-ve Supply
Ground
& Cable Screen
Wire Colours
Red
Blue
Green
Cynergy3 Components Ltd.
7 Cobham Road
Ferndown Industrial Estate
Wimborne, Dorset BH21 7PE
Telephone +44 (0) 1202 897969
Temperature (2-wire) 4-20mA
9-32Vdc
+ve Supply
White
-ve Supply
Yellow
Ground
Green
& Cable Screen
Custom versions can be made for particular applications.
Email:sales@cynergy3.com
Web: www.cynergy3.com
ISO
9001
C E R T I F I E D
ILTSU 2015
www.cynergy3.com
© 2015 Cynergy3 Components, All Rights Reserved. Specifications are subject to change without prior notice. Cynergy3 Components and the Cynergy3 Components logo are trademarks of Cynergy3 Components Limited.
ILTSU series
Submersible Dual Level &Temperature Transmitter
Electrical Protection
Supply reverse polarity
No damage but also no function
Lightning protection
Internally fitted
Electromagnetic compatibility CE Compliant
Mechanical Stability
Shock
100g / 11ms
Vibration
10g RMS (20 - 2000Hz)
Temperatures & Thermal Effects
Media Temperature
-20ºC (Non-freezing) to +60ºC
Storage temperature
-20ºC to +70ºC
Compensated temperature range(level only)
20ºC±25ºC
Thermal Zero Shift (TZS) (level only)
<±0.02% /FS/ºC
Thermal Span Shift(TSS) (level only)
<-0.015% /ºC
Thermal Drift (temperature only)
1µA/ºC
Material Specifications
Housing
“O” ring seals
Diaphragm
Cable sheath material
Media wetted parts
Miscellaneous
Current Consumption
Weight
316L Stainless Steel
Viton
316L Stainless Steel
PUR
Housing, “O” ring seal, diaphragm, cable
sheath
Level transmitter limits at 28mA
Temperature transmitter limits at 21.5mA
Transmitter: approx 10.5oz (300g) inc.
nose cone
Cable: 1.7oz (48g) per yard (meter)
Any, small zero shift when tilted through 90º
Installation position
Operational Life
> 100x 10 cycles
6
Part No
ILTSU-Gi048-003
ILTSU-Gi180-007
ILTSU-Gi360-015
Pressure Range
0-48" WG
0-180" WG
0-360" WG
Cable Length
10ft
22ft
48ft
(Custom ranges and outputs available on request)
PUR sheathed vented cable
Mechanical Dimensions
Boot
Installation Note.
The vented cable is fitted with a
filter (shown below) to prevent
the entry of moisture. If removed,
ensure vent tube is positioned in
a clean, dry area.
195mm Nominal
(7.68")
Nose cone
25mm dia
(1")
ISO
9001
C E R T I F I E D
www.cynergy3.com
© 2015 Cynergy3 Components, All Rights Reserved. Specifications are subject to change without prior notice. Cynergy3 Components and the Cynergy3 Components logo are trademarks of Cynergy3 Components Limited.
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