The pHep®4 lightweight, sleek tester is accurate to 0.1 pH with a built-in thermometer to automatically adjust the pH reading for temperature. The waterproof design (it floats), simple operation, and replaceable electrode mean that you can rely on this meter for years. You can replace the pH electrode for just $59. The large LCD display shows both pH and temperature readings simultaneously, while a stability indicator is displayed to alert you when a stable reading has been obtained.
Extend the life of your pH tester with a replaceable electrode.
Automatic calibration for accurate pH readings every time.
Great for environmental, field, and laboratory testing.
The pHep®4 is a waterproof ph pen for water with a 0.1 pH resolution and an accuracy of ±0.1 pH. It has many advanced features that are found in more expensive portable instrumentation. One or two-point calibration is automatic to two selectable buffer sets (4.01, 7.01 and 10.01 or 4.01, 6.86, and 9.18). The pHep®4 also features a replaceable electrode with a stainless steel round connector. This cartridge design has no pins to line up or that can break. The HI73127 replacement pH electrode also features an extractable cloth junction. The extractable cloth junction of the HI73127 allows for the renewing of the junction. Simply extract ⅛” of the junction by pulling on the junction will expose a new portion. Any clogging that was present will be cleared and the response time will be back to normal extending the life of the pH electrode.
Features at-a-glance
Waterproof ph Tester for Water
Designed to float if accidentally dropped in a tank
Expanded pH Range
pH range is from -2.0 to 16.0 pH
Automatic Temperature Compensation
All readings are compensated for variations in temperature
Temperature displayed in °C or °F along with pH reading
Stability indicator
Meter displays a clock tag that will disappear when the reading has achieved stability
HOLD button
Freezes reading on the display to allow recording of measurement
BEPS (Battery Error Prevention System)
Meter will automatically shut off if there is not enough power to get an accurate measurement
Auto-off
Meter automatically shuts off after 8 minutes of non-use to maximize battery life
Specifications
Specification Name
Detail
SKU
HI98127
pH Ranges
-2.0 to 16.0 pH
pH Resolution
0.1 pH
pH Accuracy (@25°C/77°F)
±0.1 pH
pH Calibration
automatic, one or two-point with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18)
pH Temperature Compensation
automatic
Temperature Range
-5.0 to 60.0°C / 23.0 to 140.0°F
Temperature Resolution
0.1°C / 0.1°F
Temperature Accuracy
±0.5°C /±1°F
pH Electrode
HI73127 pH electrode
Automatic Shut-Off
auto-off after 8 minutes of non-use
Battery Type / Life
1.5V (4) / approx. 300 hours of continuous use
Environment
-5 to 50°C (23 to 122°F); RH max 100%
Dimensions
163 x 40 x 26 mm (6.4 x 1.6 x 1.0’’)
Weight
100 g (3.5 oz.)
Ordering Information
Each HI98127 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (2 pcs.), HI70007 pH 7.01 buffer solution, 20 mL sachet (2 pcs.), HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), Instrument quality certificate, & instruction manual.
This website is available for the following countries: Algeria, Angola, Benin, Burkina Faso, Burundi, Cameroon, Cape Verde, Chad, Comoros, Côte d'Ivoire, Eritrea, eSwatini, Ethiopia, Gabon, Gambia, Ghana, Djibouti, Jordan, Guinea, Equatorial Guinea, Guinea-Bissau, Kenya, Lebanon, Liberia, Libya, Madagascar, Malawi, Mali, Morocco, Mauritania, Niger, Nigeria, Palestine, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Rwanda, São Tomé and Príncipe, Senegal, Seychelles, Sierra Leone, Somalia, Sudan, South Sudan, Tanzania, Togo, Tunisia, Uganda and Zambia.
