Sentence examples for hanna instruments from inspiring English sources
The pH value of the poultry wastewater was determined electrochemically using a Hanna Instruments model HI 2221 pH meter (Hanna Instruments, Woonsocket, RI, USA).
Temperature and pH were determined using a thermo pH meter (YSI 60 Model, HANNA instruments, Mauritius).
The pH was measured by HI2211 pH/ORP meter (HANNA instruments).
In particular, the pH meter (Hanna instruments, model 9025) was calibrated using two buffers of pH 7.0 and 10.0.
The air velocity in the drying chamber was constant (0.55 ms−1), and the relative humidity of the chamber was 75 ± 3% (Hanna Instruments HI 8564 Thermo hygrometer, Hanna Instruments, Woonsocket, RI, USA).
The pH of the solution was measured by pH meter (Hanna pH211, Hanna Instruments, Cluj-Napoca, Romania) and was not monitored during the experiment.
Conductivity and pH were measured at 25 °C respectively without disturbing the settled solids using an EC Testr 11 Dual range 68X 546 501 m (Eutech Instruments, Singapore) and a Hanna HI8 424 pH meter (Hanna Instruments, Woonsocket, RI).
The pH reading for each sample was recorded using pH meter (HI 8424 microcomputer HANNA instruments).
The pH of the aqueous supernatant was also measured, by using a Hanna 213 pH meter (Hanna Instruments Ltd ,Leighton Buzzard, UK).
Microprocessor turbidity meter (HANNA Instruments model: HI 93703) was used for recording spot turbidity.
The unionized ammonia (NH3) was measured using Multi-parameters Ion Analyzer (HANNA Instruments, Rhode Island, USA).
