The 1740-Kit has interchangeable heads
that can read pH, ORP, and Chlorine
The world's first pocket-sized ISE meter for measuring chlorine directly
in parts per million. It can also be used to test pH and ORP.
Interchangeable flat surface sensor modules make this the most versatile
PocketTester ever offered.
PURCHASE TRACER POCKETESTERS
1740-KIT - includes TCI Tracer (1740), pH Probe (1733) and ORP probe (1734)