pH probe with maximum and recommended immersion level
Press the on/off button to turn the meter on. All tags will be displayed. The meter will go into measurement mode with current reading and calibrated buffers displayed.
The meter has a range of 0.0 to 14.0 pH and a resolution of 0.1pH with accuracy at ±0.2pH @ 25°C. Calibration is automatic at one or two-point.
The built-in probe is for the specific application listed.
With an easy to change battery facility, the HI-981030 has an approximate battery life of 1000 hours of continuous use and has an auto-off feature enabled after 8 minutes or 60 minutes.
Featuring a liquid crystal display, the meter weighs in at 44g and measures 51 x 157 x 21mm. For best results, operate in 0 to 50°C, RH 95% max environment.
The meter is shipped with a protective cap on the electrode containing storage solution.
Procedure for Direct Ground Measurement
Verify meter is set up correctly and pH probe is calibrated.
Dig, discarding 5cm of topsoil.
Perforate the soil (with HI-721319 soil auger) to a depth of about 20cm or more.
If the soil is dry, moisten it with a small amount of tap water.
Wash the electrode with tap water (not distilled).
Insert the electrode pushing it slightly into the soil to ensure proper contact.
Observe the measurement.
Wash the electrode with tap water (not distilled) and (using a finger) gently remove any soil remaining on the electrode (avoid using a rag or cloth).
Repeat the procedure in different locations in the field.
Consider the average of the measured data.
For best results, it is advisable to measure the pH of a soil solution using a sample of soil and soil preparation solution (HI-7051). It is better to use this procedure if you have to test a stony field in which you risk damaging the electrode.
0.0 to 14.0 pH
±0.2 pH @ 25°C
Automatic, one or two-point
Built-in probe for specific application
Approximately 1000 hours of continuous use
8 minutes, 60 minutes or can be disabled
0 to 50°C, RH 95% max
51 x 151 x 21mm
Making sure you have the right electrode and meter for your application can be confusing, not to mention correct maintenance and what to do if you are having issues. You can find links to our support guides below to help you through the process.
If you are after an electrode selector guide for some of our most popular electrodes and what applications they are recommended for you can find that below.
pH, put simply is a measure of how acidic or basic a solution is. It is a measure of H+ions present.
pH can be measured in a number of ways including test strips, indicator solution or with a pH meter and electrode. If you want to read more about the pH and the pros and cons of these methods, you can check out our introduction guide here.
How to take a pH reading and care for your electrode
pH electrodes require the correct storage and regular calibration.
If you have a pH meter or are looking to purchase and need to find out more about the care and maintenance process then you can read our guide here. We also include a troubleshoot sections with the most reported issues and possible solutions.
Selecting the right electrode and meter for your application
So you have decided you need to purchase a pH meter with electrode, but with such a wide selection out there, how do you know which is right for you?
You can read our guide on the differences between electrodes and what applications different features are good for. We also have an electrode selection guide for some of our most popular electrodes.
If you require any further assistance, or extra information you can request that here and one of our trained technical specialists will be in contact. Please provide as much detail as possible so that we can get back to you with the right information.