pH meter mobile נייד

pH meter mobile נייד
pH meter HI-8424
Microprocessor pH/mV meter, 
Automatic calibration, ATC, 
Range: pH -2.00 to 16.00 pH, 
Supplied with: 
HI1230B pH electrode (PEI Plasic exterior)
אלקטרודה מתאימה למדידות בתנאי שטח
HI7662 Temperature probe
Power supply: (not included)
Battery 9V (approximately 150 hours of continuous use;
auto-off after 20 minutes of non-use or disabled (user-selectable)