
Maji-Sonde
The Maji-Sonde is an all-in-one multi-parameter device, which features built in data logging, internal power, and a sensor cleaning system. This means it is ideal for discreate long term deployment, using only a Kevlar deployment cord without the need for cables or auxiliary equipment at ground level. The Maji-Sonde measures the 10 standard parameters and can add up to 6 unrestricted additional electrodes.
The internal lithium-ion batteries used in the Maji-Sonde can provide up to 180 days of continuous logging, and the internal memory can store up to 150,000 full data sets. Whenever you need to retrieve your water quality data, simply pull out the Maji-Sonde out from the water and connect to a PC.
Logging regimes are configured using the PC/laptop software included. Full features include:
• Retrieval of logged data
• Full calibration of the instrument with report generation
• Logged data output to spreadsheet and text files
• Setup unity
• Site name and GPS geotagging
Probe Specifications
IP: IP68
Depth: Up to 100m
Temperature: -5C to 70C
Weight (inc. batteries), g: 3400
Batteries: 2 x 3.6v Lithium D cells, life greater then 9 months.
Memory capacity: 150,000 full data sets
Maji-Sonde supplied with 10 standard Maji parameters, internal memory, deployment key, USB cable and PC software. Requires 2 x 3.6V Lithium D cells and cord- no included.

Frequently Asked Questions
Clear answers to help you choose the right water testing solution with confidence
Which brands of water testing kits do you supply?
Do you provide kits for both home and professional use?
Yes — whether you’re a pool or spa owner, aquarium keeper, utility company, or a university laboratory, we have the right solution for your needs.
Can I arrange servicing or calibration for my photometer?
Absolutely. We also provide servicing and calibration to keep your photometers accurate and reliable.
How quickly do you dispatch orders?
Orders placed before 2:30 pm (Monday–Friday) are dispatched the same day. We also ship on Saturdays for your convenience.
Which couriers do you use for delivery?
We deliver through UPS, DPD, and Royal Mail. You can also choose to upgrade to next-day delivery at checkout.
What is your return policy?
We accept returns within 14 days of delivery provided the items are unused, in their original packaging, and in resalable condition. Please contact our team before returning any items.
Can I place bulk or business orders?
Yes, we welcome bulk, trade, and institutional orders. For tailored pricing or large quantities, please get in touch with us directly.
How can I get help if I’m unsure which kit to buy?
You can call us at 📞 +44 (0)115888 2726 and our team will guide you in choosing the most suitable kit for your needs.