Gill 4223 User manual
Lightweight Liquid Level Sensor
gillsc.com
4223-30-070 Iss.2
© 2021 Gill Sensors & Controls Limited 2
Thanks
Thank you for purchasing this sensor. The LevelLite sensor is a high precision device designed to give accurate
results and long service straight from the box. To further optimise the sensor to your requirements please visit
www.gillsc.com/support and download the GSlevel software.*
This guide covers all models in the range.
Note; Safety Warning, This equipment is not ATEX certied and has not been designed for use in areas which fall
within the scope of the ATEX directive. If an area of intended usage is within the scope of the ATEX directive, then
contact Gill Sensors & Controls Ltd for further information.
What’s in the box
• 1 x Liquid Level Sensor
• 1 x Fitting Kit
- 1 x O-Ring 13 x 1.5,
- 1 x O-Ring 19 x 1.5
- 1 x Panel Gasket
- 3 x Screw M3 x 6
What’s required (All Models)
An adaptor is required for all installations. Either a customer supplied adaptor or one of the following:
• 1 hole (Gill Part 4223-10-A)
• 2 hole (Gill Part 4223-10-B)
• 3 hole (Gill Part 4223-10-C)
• 5 hole (Gill Part 4223-10-D)
• Threaded tting adaptor (Gill Part 4223-10-E)
Note:
Please note, further optimisation of the sensor to your requirements is available through the Gill GSlevel software
that is free to download. You will need the following connection cable as follows;*
• RS232 - USB Converter
- Gill recommend FTDI part# USB-RS232-WE-1800-BT 5.0
- Gill part# 1484-00-086, RS Components part# 687-7821
Lightweight Liquid Level Sensor
gillsc.com
4223-30-070 Iss.2
© 2021 Gill Sensors & Controls Limited 3
Your new sensor has been factory set up to operate straight from the box using factory default parameters
suited to a wide variety of applications. This allows the minimum of set up activities for most applications.
Getting Started
Secure the adaptor using
M3 x 6 CSK screws. (3 places)
Note: The adaptor has 3 possible
orientations
Note: Thread lock pre-applied. Tighten
to 1.3Nm with 2.0mm Hex Key
Step 1
Fit 19 x 1.5 O-Ring
Step 2
Fit the adaptor (Gill or customer supplied)
Step 3b
Fit the 13 x 1.5 O-Ring
Step 4 SAE 5 Bolt - Orientation check
Place assembled sensor on the page and
align the cable and the adaptor outer
diameter.
Note: All of the white holes should be
visible through the adaptor when the
orientation is correct.
Step 3a
Fit the panel gasket
Note: Not required if using the
face mounting gasket
Note: Not required if using the
radial O-ring seal
Choose either step 3a or 3b depending on installation type
Lightweight Liquid Level Sensor
gillsc.com
4223-30-070 Iss.2
© 2021 Gill Sensors & Controls Limited 4
Electrical connections
Connecting the sensor shuould be carried out according to the following table
Supply Voltage: +5 to +32 VDC
Supply Current: <20 mA
Note: The power supply must be at least 0.5V greater than the maximum output voltage required. The switch output
requires a pull-up resistor of 1 kOhm to 1 O kOhms.
Sensor outputs
The primary output of the sensor is factory calibrated to a range of 0.25 V to 4.75 V. The sensor can be
congured to a maximum output range of 0.25 V to 10 V.
The sensor’s secondary output is either switch or temperature output as follows:
• Switch: Open collector output of 50V / 1A max switch to -V (ground)
• Temperature: 0.25 V to 4.75 V where 0.25 V = -40°C and 4.75 V = + 125°C
After sales support
Should you require after sales assistance with this product, please go to www.gillsc.com where you can
request support by clicking on the “Get Support” button and lling out the form. Alternatively, call us during
UK oce hours on 01590 613900 (UK). Please have details of the product and serial number whenever
possible.
RED +V (5-32VDC)
BLACK -V (Ground)
ORANGE Primary output (0.25 to 4.75VDC)
BLUE Secondary output (refer to datasheet)
GREEN RS232 Rx line
WHITE RS232
SILVER Drain Wire
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