HANNA in 1986 launched its first PH meter (PH electronic test paper), from making the PH measurement has undergone a historic change. Easy operation, no professional and technical personnel, to obtain accurate measurements for a wide range of industries. The product since its inception, has been sold over one million worldwide, and the clients alike. We have been very valued comments and suggestions from customers. This series of products, we have included or you need more measurements! Resolution of 0.1 pH of H5HI98127 (PHep? 4) and a resolution of 0.01 pH of H5HI98128 (PHep? 5) The main features of two-line subtitles LCD, battery power display, with electrode removal tool, and stability indicating identification, and automatic shutdown automatic calibration, waterproof handheld design. 
 Measurement Category 
 Measurements 
 H5HI98128 (pHep? 5) 

 Measuring range 
 PH-pH range 
 -2.00 To 16.00 pH 
 Temperature? C 
 -5.0 To 60.0 ° C, 23.0 to 140.0 ° F 

 Resolution 
 PH-pH range 
 0.01 pH 

 Temperature? C 
 0.1 ° C, 0.1 ° F 

 Accuracy 
 PH-pH range 
 ± 0.05pH 

 Temperature? C 
 ± 0.5 ° C, ± 0.1 ° F 

 Acidity-pH calibration 
 Optional 1 or 2 point calibration, built-in group 2 standard calibration points (4.01,7.01,, 10.01 pH and 4.01,6.86,9.18 pH) 

 Temperature compensation 
 Automatic temperature compensation 

 Electrode type 
 HI73127 special glass composite pH electrode 

 Temperature probe 
 Built-in stainless steel temperature probe 

 Input impedance 
 1012 Ohm 

 Power mode 
 4 x 1.5V AA batteries Button 

 Use of the environment 
 -5 To 50 ° C (23 to 122 ° F) Max. RH 100% (no condensation) 

 Dimensions Weight 
 Host: 163 x 40x 26 mm; Weight: 100 g 


 H5HI98128 (pHep? 5) 
 Written acidity analyzer, built-HI73127 pH composite electrode, in the English data