ORP/Temp waterproof tester ORP57 Back Catalog number: ORP57 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended PH600 pH tester with 1 point calibration, ±0.2 pH accura Price on request 4090010103 DDO10 Portable DO Meter (Polarographic Type/Color 16 850,00 Kč 4090010006 DEC1 Pocket Cond Tester 1.DEC1Meter (battery pre- 2 710,00 Kč