The ProQuatro handheld multiparameter meter measures a variety of combinations of dissolved oxygen, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature. Also a very powerful lab instrument for BODs, pH and ORP.

EPA approved for drinking water and wastewater compliance reporting.

Instrument only. Cables, probes/sensors, and accessories sold separately. Please reference order guide for part numbers.

Tough, Field Durability Features Include:
• Rubber, over-molded IP-67 waterproof case (even without the battery cover)*
• Drop-tested 1 meter at all angles*
• 3-year instrument warranty
• 2-year cable warranty*
• Rugged cables, sensors, and military-spec connectors*
• Weighted, user-replaceable multi-sensor design
• Easy-to-install cable weights; can be daisy-chained for additional weight*
• Scratch-resistant lens; viewable even with polarized glasses
• Ergonomic design is easy to hold with one hand
• Instrument floats

Smart Features Include:
• 5,000 data set memory
• Intuitive interface
• Interval or single-event logging
• 50 Data IDs*
• Detailed GLP data
• On-The-Go USB port for simple data management
• USB connection also powers the instrument
• 6-point cal with auto-buffer recognition*
• User-adjustable auto-stable with prompts*
• User-upgradeable software via waterproof USB port
• Recalibration prompts
• Search function filters user-defined data information*
• Backlit display
• Glow-in-the-dark keypad
• Cable management kit included with all cables from 4- to 30-meters*

Added Versatile Features Include:
• Multiple parameter options and cable lengths
• Multiple user-replaceable sensor options and a choice of DO sensors*
• Lab-grade ISE sensors and BOD probe available to make a true lab/field instrument
• Adjustable right- or left-handed hand strap*
• Languages - English, Spanish, German, French, Italian, Norwegian, Portuguese, Japanese, Chinese (Simplified and Traditional)
• Wide array of accessories are available from flow cells, to shoulder straps, to carrying cases