TT-PL500 Bench-Top pH meter This splashproof bench-top pH/mV/Temp meter provides accurate laboratory performance and is available with an optional RS232 output (Model No. TT-PL500R). more

TT-PHB1 Handheld pH/mV/Temp Meter This instrument provides you with an accurate handheld portable pH/mV meter that is splashproof. more

TT-7200 Waterproof pH/mV/Cond/TDS/Salt/Temp Pen Tester A waterproof pen style multiparameter water testing instrument with interchangeable and replaceable electrodes. more