YSI Pro1020

The Pro1020 provides everything you need in a handheld meter that measures dissolved oxygen and temperature along with either pH or ORP (redox). Rugged, simple and reliable. Measure pH or ORP, dissolved oxygen, and temperature.

  • Features
  • Specifications
  • Ordering Guide

Rugged and reliable, the YSI Pro1020 provides everything you need in a handheld instrument for the measurement of either pH or ORP along with temperature, and dissolved oxygen.

User-replaceable sensors and cables along with convenient calibration routine feature makes it extremely user friendly. Mil-spec (military spec) connectors, IP67 waterproof and rubber over molded case, and 1-meter drop tests ensure the instrument remains in your hands to provide years of sampling even in the harshest field conditions. The feature set of the Pro1020 results in a low total cost of ownership over the life of the product and proves that it is smarter, tougher, and more versatile.

Interested in a Pro Series Product? Check out the trade in program currently going on (U.S. only).

Additional features include:

  • User-replaceable cables and sensors provide versatility, reduce down time and reduce overall cost of ownership.
  • Available with 1- 4- 10- 20- and 30-m cable lengths standard (cable management kit included on all cables 4-m and longer).
  • Smart calibration; the instrument remembers the previous calibration values and simply walks you through the routine.
  • Stores 50 data sets; no need to write down data.
  • Large graphic, backlit display and glow in the dark keypad. Usable in any lighting condition. The display is also visible when wearing polarized sunglasses.
  • Tough. IP67, impact-resistant, waterproof case. Waterproof without the battery cover as well.
  • Rubber over molded case provides extra durability. Military spec connectors are unsurpassed for ruggedness.
  • Multiple languages include English, Spanish, French, and Portuguese.
  • Choose either polarographic or galvanic DO sensors.
  • Quick response times; 95% DO response time in approximately 8 seconds with standard membrane (fastest response time in the market).
  • 3-year instrument; 2-year cable; 1-year sensor warranty (Galvanic DO is 6-months)

When ordering the Pro1020 you must order the instrument, cable, and dissolved oxygen (Polarographic of Galvanic), pH or ORP sensor separately, allowing you to choose the system that best fits your application. Temperature is part of the cable you order and included in the cable purchase.

Wondering if it will be difficult to change your dissolved oxygen cap membrane? If you have 15 seconds we'll show you how.

Pro1020 Instrument General Specifications

Cable Lengths 1- 4- 10- 20- and 30-m lengths (3.28, 13.1, 32.8, 65.6, and 98.4 ft.)
Certifications RoHS, CE, WEEE, IP-67, 1-meter drop test
Connector MS (military spec) waterproof with bayonet lock
Data Memory 50 data sets
Dimensions 8.3 cm width x 21.6 cm length x 5.6 cm depth (3.25 in x 8.5 in x 2.21 in)
Languages English, Spanish, Portuguese, French
Power 2 alkaline C-cells providing approximately 425 hours of battery life depending without backlight usage;
low battery indicator with approximately 1 hour left
Warranty 3-year instrument; 2-year cable; 1-year pH and ORP sensors
Waterproof IP67 (even with the battery cover off)
Weight with Batteries 475 grams (1.05 lbs)

 

Pro1020 System Specifications (Instrument with Cable & Probe)

Sensor Type Range Accuracy Resolution
pH Glass Combination Electrode 0 to 14 pH units ±0.2 0.01
ORP Platinum Button -1500 to 1500 mV ±20 mV 1 mV
Dissolved Oxygen (%) Polarographic or Galvanic 0 to 500% air saturation 0 to 200% air saturation, ± 2% of the reading or ±2% air saturation, whichever is greater; 200 to 500% air saturation, ± 6% of the reading 0.1% or 1% air saturation (user selectable)
Dissolved Oxygen (mg/L) Polarographic or Galvanic 0 to 50 mg/L 0 to 20 mg/L, ± 2% of the reading or ±0.2 mg/L, whichever is greater; 20 to 50 mg/L, ± 6% of the reading 0.01 or 0.1 mg/L (user selectable)
Temperature -5 to 55°C
(0 to 45°C; DO compensation range for mg/L )
±0.2°C 0.1°C

Ordering Guide

Item # Description
6051020 Pro1020 Handheld instrument
6051020-1 1-m cable for temp (built into the cable)/dissolved oxygen, pH or ORP port
6051020-4 4-m cable for temp (built into the cable)/dissolved oxygen, pH or ORP port; includes cable management kit
6051020-10 10-m cable for temp (built into the cable)/dissolved oxygen, pH or ORP port; includes cable management kit
6051020-20 20-m cable for temp (built into the cable)/dissolved oxygen, pH or ORP port; includes cable management kit
6051020-30 30-m cable for temp (built into the cable)/dissolved oxygen, pH or ORP port; includes cable management kit
605101 pH Sensor for any cable length (not included with cable purchase)
605102 ORP Sensor for any cable length (not included with cable purchase)
605202 Galvanic Dissolved Oxygen Sensor
605203 Polarographic Dissolved Oxygen Sensor
603075 Carrying Case, soft-sided (large carrying case)
603074 Carrying Case, hard-sided (large carrying case)
603162 Carrying Case, soft-sided (small carrying case, accommodates up to 4-meter cable)
603070 Shoulder Strap
603824 pH Buffers, assorted case; 2 pints each of 4, 7, and 10 buffer
003821 pH 4 Buffer, case of 6 pints
003822 pH 7 Buffer, case of 6 pints
003823 pH 10 Buffer, case of 6 pints
605306 Replacement Standard Membrane Kit for 605203 Polarographic DO sensor; 1.25 mil PE, 6 caps with solution; (included with sensor purchase)
060911 Replacement Standard Membrane Kit for 605202 Galvanic DO sensor; 1.25 mil, 6 caps with solution; (included with sensor purchase)

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