TDS Meter
Sherman Instruments
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Specifications: Model Number: 35650-10 Replacement Electrode Model Number: 35650-09 Range: -999 to +1000 mV Resolution: 1 mV Accuracy: ±2 mV Operating Temperature: 0 to 50°C (32 to 122°F) Power: Four LR44 1.5V alkaline batteries (included) Special Functions: On/Off or Auto-Off after 8.5 minutes; Hold; Calibrate Dimensions: 6.5"L x 1.5" Dia. (16.5 x 3.8cm) Weight: 3.25 oz (90g)
ORPTestr® 10 Pocket Digital ORP Meter Waterproof, Dustproof Double Junction Electrode Design Microprocessor Controlled Replaceable Electrode Hold Function, Auto-Off Function This compact meter provides convenient testing of oxidation reduction potential (REDOX). Applications include: Monitoring ozone systems; checking free chloring activity in pools, spas and cooling towers; water purification and drinking water; aquarium monitoring; water pollution monitoring.
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