click here T76 for specifications  
Waterproof TDS Tester with replaceable electrode (high range)

OUR PRICE $125.00

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click here pH600 for specifications
pH Economical Pocket Tester

click here SM600  for specifications
Portable Dissolved Oxygen Meter

click here CD610  for specifications
TDS Economical Pocket Tester

OUR PRICE $120.12

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0-100‰
1.000-1.070 SG

Salinity 1‰
0.001

±1‰
±0.001

click here SM102 for specifications
Portable pH / Temp Meter

click here SM500  for specifications
Portable ORP Meter

 

 

 

 

click hereSMS110 for specifications
Smart pH Monitor with set point range from 3.5 to 7.5 pH

click here SMS120 for specifications
Smart pH Monitor with set point rang: from 5.5 to 9.5 pH

click here Mi404  for specifications
Free & Total Chlorine
Martini Instruments Professional Photometer

click here Mi415 for specifications
Turbidity Meter
Martini Instruments Professional Photometer

click here Mi411  for specifications
Free & Total Chlorine and pH
Martini Instruments Professional Photometer

click here pH52 for specifications  
Waterproof pH / Temperature Tester with replaceable electrode (0.1 pH resolution)

OUR PRICE $140.50

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click here Mi106 for specifications
pH / ORP / Temperature

click here Mi805 for specifications
pH / Conductivity / TDS / Temperature

click here ORP57 for specifications
Pocket-size ORP / Temperature Meter with replaceable electrode

click here pH58  for specifications
Pocket-size pH / ORP / Temperature Meter with replaceable electrode