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Milwaukee Instruments

pH/ORP Waterproof Combination Tester

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Combination waterproof testers with advanced functions also include the new model pH58 for simultaneous pH and ORP measurements and temperature, which is continuously displayed on the dual level LCD.

It shows readings in an extended range from -2.00 to 16.00 pH or ±1000 mV and simultaneously shows temperature from -5.0 to 105.0°C or 23 to 221°F.

The pH58 has a stability indicator and hold feature that freezes the display for easy and accurate recording. The large display also has graphic symbols to guide you through all operations. Calibration is performed automatically at 1 or 2 points using standard or NIST buffers.The modular design allows easy electrode and battery replacement.

pH Range-2.0 to 16.00 pH
mV Range±1000 mV
Temp Range-5.0 to 60.0°C / 23.0 to 140.0°F
pH Resolution0.01 pH
Temp Resolution0.1°C / 0.1°F
pH Accuracy±0.05 pH
Temp Accuracy±0.5°C / ±1°F
pH Typical EMC Deviation±0.02 pH
mV Typical EMC Deviation±2 mV
Temp Typical EMC Deviation±0.3°C / ±0.6°F
pH Calibrationautomatic for pH, 1 or 2 points, from -5 to 60°C with 2 sets of memorized buffers (pH 4.01, 7.01, 10.01 or 4.01, 6.86, 9.18)
Redox Calibrationfactory calibrated
ProbeMi58P (replaceable)
Environment-5 to 50°C / 32 to 122°F; max RH 100%
Battery Type4 x 1.5V; IEC LR44, A76 (included)
Battery Lifeapprox. 300 hours of use
Auto-offafter 8 minutes of non-use
Dimensions200 × dia 38 mm
Weight100 g

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Pocket-Size pH / ORP / Temperature Meter
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Replacement Electrode for pH58
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