Hanna Instruments HI-12923 pH & Temperature probe for soil
The HI-12923 pH electrode is for use with the HI-98168 Groline meter. Ideal for direct soil measurements and soil solutions.
HI-12923 pH & Temperature probe for soil is uniquely designed with a conical tip and a triple ceramic junction for improved performance in soils that have a low moisture content. The probe has a built in amplifier to reduce noise from humidity that can effect the probe connection to the meter. The HI-12923 connects to the HI-98168 with a quick-connect, waterproof DIN connector, allowing for a secure, non-threaded attachment.
Refillable
As electrolyte is lost over time it can be replenished to extend the life of the electrode.
Triple ceramic junction
The outer reference has three ceramic frits that allow electrolyte to flow at a high rate from the inside of the probe to the outside. A higher flow rate allows for a pH measurement of soil with low moisture.
Conical tip
The conical tip is made of durable LT glass and allows for direct measurement in soils.
In the case any rocks are present an auger is provided to make a hole for the probe.
Quick connect DIN connector
This secure waterproof connector allows for a single cable to be used for both pH and temperature measurements.
Operates with the HI-98168 Groline pH/temperature meter for soil
The measurement of pH in agriculture is very important due to the influence it has on the growth of the plant. Soil can be acid, neutral or alkaline, according to its pH value. Most plants prefer a pH range from 5.5 to 7.5; but some species prefer more acid or alkaline soils. Nevertheless, every plant requires a particular range of pH, for optimum growth.
Specifications
| Reference | Single, Ag/AgCl |
| Junction | Ceramic, triple/40-50 µL/h |
| Electrolyte | KCl 3.5M + AgCl |
| Max Pressure | 0.1 bar |
| Range | pH: 0 to 12 |
| Recommended Operating Temperature | -5 to 70°C |
| Tip/Shape | Conic (12 x 12 mm) |
| Temperature Sensor | Yes |
| Amplifier | Yes |
| Body material | glass |
| Cable | coaxial, 1m |
| Connection | Quick connect DIN |
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.