Accuracy
Sensor dependent either Keller TD or Keller CTD
Non-stretch
Vented
Connector at the top of the cable, IP68 with integrated cable strain relief. Connector acts as ON/OFF switch
Cable can be shortened
Fixed sample intervals
1/15′
Fixed upload of data to secure server
1/day (08:00 UTC)
Data
Compensated pressure above the sensor (no baro data necessary)
Temperature (water)
EC (option)
System Voltage
.csv format file
– File/Unit identifier
– Date and time stamps
– Sensor Data
Sends data 1/day (96 data sets)
Bespoke, Secure Cloud Server Stores the Data
Data viewable and downloadable from the server
Email notification when new data is Available
Users
Users registered with secure password
Data stored as backup/redundancy on internal non-volatile memory
Device stores 24 months of data
Battery
Minimum 24 months of battery life
Product should only be used with the Battery supplied
Battery is not suitable for charging
Supply voltage: 3.6 V
Power rating – Peak 1.5A
GSM unit
Multi-band 2G/4G chip
Integral antenna
POD roaming data SIM (works in most countries)
Enclosure
Bespoke auto-centering design to IP68
– 88 mm diameter to fit securely on top of a 1” to 3” well
– 150 mm to 170 mm Height (height reduces as well diameter increases)
– 1.3 kg (without sensor)
– Powder coated stainless steel 304
– Tapered to auto-centre on well from 1” and larger
Electronics
Low energy
Bespoke Lithium battery with integrated super capacitor with a minimum life of 24 months
Easy way to switch on/off with multi-coloured LEDs confirming diagnostic and “Ready” to deploy light by connector
Interface
Over bespoke Van Walt Cloud Server: vanwaltCONNECT-Lite
– Intuitive to use
– Minimal training required
API Enabled
Software Updates
Protocol over HTTPS for security of data
Two-yearly recommissioning
Service unit
Replace battery
Reactivate SIM
Verify sensor
Re-issue 2-year warranty
Operating Temperature Range
-10°C to + 70 °C
Applications
Suitable for indoor and outdoor use