Overview
The YSI ProQuatro is a rugged handheld multiparameter meter for field water quality. One 4-port Quatro cable carries a dissolved oxygen sensor, a conductivity/temperature sensor and any two ion-selective sensors (pH, ORP, ammonium, chloride or nitrate). It is EPA approved for drinking water and wastewater compliance reporting.
- Measures DO, conductivity, specific conductance, salinity, resistivity, TDS, pH, ORP, ammonium, nitrate, chloride and temperature
- 4-port Quatro cable combines four analog sensors on one cable; 1, 4, 10, 20 and 30 m field cables
- Galvanic or polarographic DO sensors; self-stirring BOD probe option for the laboratory
- IP-67 waterproof overmolded case (even without the battery cover), floats, drop-tested at 1 m
- 5,000 data set memory, 50 Data IDs, detailed GLP data and 6-point calibration with auto-buffer recognition
- USB port for data export and firmware upgrades; USB also powers the instrument
- Backlit graphic display and glow-in-the-dark keypad; 9 interface languages including French
- 3-year instrument warranty and 2-year cable warranty
Instrument only: choose a Quatro cable, sensors and accessories below. Request a quote for pricing and availability.
Specifications
- Handheld
- YSI-606950 ProQuatro handheld; cables, sensors and accessories ordered separately
- Supplied With
- Handheld / alkaline batteries / hand strap / USB cable / USB flash drive with manual and quick start guide
- Temperature
- Field cables -5 to 70 °C / resolution 0.1 °C / accuracy ± 0.3 °C
- Dissolved Oxygen
- 0 to 50 mg/L or 0 to 500% air saturation / accuracy ± 2% of reading or 0.2 mg/L (0 to 20 mg/L) / ± 6% (20 to 50 mg/L)
- pH
- 0 to 14 pH units / resolution 0.01 / accuracy ± 0.1
- ORP
- -1999 to 1999 mV / resolution 0.1 mV / accuracy ± 20 mV
- Conductivity
- 0 to 200 mS/cm auto-ranging / accuracy ± 0.5% of reading or 0.001 mS/cm (1 and 4 m cables)
- Salinity
- 0 to 70 ppt / accuracy ± 1.0% of reading or 0.1 ppt
- Ammonium / Nitrate
- 0 to 200 mg/L-N / accuracy ± 10% of reading or 2 mg/L-N
- Chloride
- 0 to 1000 mg/L-Cl / accuracy ± 15% of reading or 5 mg/L-Cl
- Barometer
- 375 to 825 mmHg / accuracy ± 1.5 mmHg (0 to 50 °C)
- Power
- 2 alkaline C-cells / about 80 hours without backlight / USB or optional wall power
- Operating / Storage Temperature
- -10 to 60 °C / -20 to 70 °C
- Size
- 8.3 x 21.6 x 5.7 cm (3.25 x 8.5 x 2.25 in)
- Weight
- 475 g (1.05 lb) with batteries
- Certifications
- RoHS / CE / FCC / WEEE / IP-67 / 1 m drop test; assembled in the USA
- Warranty
- 3 years instrument / 2 years cable
Documents
Calibration and repair
Send it to our Montreal service team. We evaluate the instrument and send a detailed quote before any work starts.
Parts & accessories
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Compare with similar models
YSI · Water Quality Meter| Spec | This model YSI ProQuatro Multiparameter Water Quality MeterPrice on quote
| YSI Pro20 Dissolved Oxygen and Temperature MeterPrice on quote
| YSI ProDSS Multiparameter Digital Water Quality MeterPrice on quote
| YSI Pro20i Dissolved Oxygen and Temperature MeterPrice on quote
|
|---|---|---|---|---|
| DO Range | 0 to 50 mg/L | 0 to 50 mg/L | — | 0 to 50 mg/L |
| Memory | 5000 data sets | 50 data sets | 100000+ data sets | — |
| Battery Life | 80 hours | 400 hours | 48 hours | 400 hours |
Questions, answered
How fast will I get a price?
Send the quote request and a specialist replies within 4 business hours, Monday to Friday, 8:00 to 4:30 ET.
Can we pay on account or by purchase order?
Yes. With established credit, terms are Net 30 days, and you can send your purchase order with the quote request. We also accept Visa, Mastercard and American Express.
How is shipping charged?
On quotes and account orders, freight is F.O.B. Montréal: the carrier charge is worked out at shipment from the packed weight and dimensions, and added to your invoice. In-stock items can also be picked up the same day in Montréal (8605 rue du Champ-d'Eau).
Can I return it?
Yes, within 30 days of purchase, with a return authorization number from customer service first. A 25% restocking fee applies, unless it is a defect covered by the warranty. Special orders, hazardous materials, flammable liquids and gases can't be returned. Return policy
Can ERE calibrate or repair it?
Yes. Our Montréal service shop calibrates and repairs it in-house. Request service
What warranty does it carry?
The manufacturer's warranty applies. The exact terms are in the warranty document. Read the warranty
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