Hello rusty what do you mean here is the info it is very quick at taking the reading and nice easy read display.You can get replacment probs for £40 so chapear then buying a new pen.
General: Ideal for quick and accurate pH checks in aquaculture, aquariums and hydroponics operations, or anywhere frequent pH testing is required. pHTestr 30 meets requirements for many standard environmental and ASTM test methods
Industrial: Use for cooling towers, food processing water testing and process/wastewater testing in metal finishing, photo development, printing and chemical industries.
Educational: Useful in schools, many laboratory applications and ecology studies.
| pH Range | -1.0 to 15.0 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Temperature Display | 0 to 50 °C or 32 to 122 °F |
| Resolution | 0.1 °C / °F |
| Accuracy | 0.5 °C / 0.9 °F |
| No. of Calibration Points | 3 points |
| pH Buffer Options | USA – pH 4.01, 7.00, 10.01; NIST – pH 4.01, 6.86, 9.18 |
| LCD Display | Dual display with battery indicator, error messages/codes |
| ATC | Yes |
| Special Functions | Large Dual Custom Display, Self-diagnostic; Hold function; Auto-Power Off after 8.5 minutes |
| Power 4 x 1.5V alkaline button cell batteries | 500 hrs |
