OAKTON 450 Series Waterproof Handheld Meter Instruction Manual
OAKTON 450 Series Waterproof Handheld Meter Specifications: Model: pH 150 pH/mV, pH 450 pH/mV/ISE, PC 450 pH/mV/Con, PD 450 pH/mV/DO Power Supply: 2 AA batteries or optional 110/220 VAC power…