YSI Pro20 Dissolved Oxygen

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Detail YSI Pro20 Dissolved Oxygen

YSI Pro20 Dissolved Oxygen
Handheld dissolved oxygen instrument for the lab or field!
Rugged and reliable, the YSI Pro20 provides everything you need in a
handheld dissolved oxygen instrument. User-replaceable sensors and ca-
bles, 50 data set memory, and convenient One Touch Cal feature makes it
user friendly. Mil-spec (military spec) connectors, IP-67 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. Fast response times allow you to complete your sam –
pling routine quickly, saving time and money.
• 3-year instrument; 2-year cable warranty
• User-replaceable cables and sensors. Choose polarographic or
galvanic for the field or a self-stirring BOD probe for the lab.
• One Touch Cal allows easy DO calibrations within 3 seconds
with the press of a button. Automatic barometric pressure
• Stores 50 data sets; no need to write down data
• Graphic, backlit display and glow in the dark keypad
• Available with 1- 4- 10- 20- 30- and 100-m cable lengths standard
(special order up to 100-meter cables in 10-meter increments)
• Tough. IP-67, impact-resistant, waterproof case even without
the battery cover. Rubber over molded case provides extra
durability. Military spec connectors.
• A true field instrument – the display is visible with polarized
sunglasses on
• Quick response times; 95% response time in approximately 8
seconds with standard membrane (fastest response time in the
• Multiple languages include English, Spanish, French, and
Lab or field – the Pro20 is ready for whatever you need!

Pro20 System Specifications (instrument w/ 4-meter cable and field sensor)
Pro20 Instrument Specifications
ISO 9001
ISO 14001
Y S I i n c o r p o r a t e d
Whoʼs Minding
the Planet? ™
Dissolved Oxygen Sensor Type Polarographic or Galvanic
(% saturation) Range 0 to 500% air saturation
Accuracy 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
Resolution 0.1% or 1% air saturation (user selectable)
Dissolved Oxygen Sensor Type Polarographic or Galvanic
(mg/L) Range 0 to 50 mg/L
Accuracy 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
Resolution 0.01 or 0.1 mg/L (user selectable)
Temperature Range -5 to 55°C (0 to 45°C; DO compensation range for mg/L )
Accuracy ± 0.3°C
Resolution 0.1°C
Barometer Range 400 to 999.9 mmHg
Accuracy ± 5 mm Hg within ± 5°C temperature range from calibration point
Resolution 0.1 mm Hg
Size 8.3 cm width x 21.6 cm length x 2.3 cm depth (3.25 in. x 8.5 in. x 2.25 in.)
Weight with batteries 475 grams (1.05 lbs.)
Power 2 alkaline C-cells providing 400 hours of battery life; low battery indicator on Pro20
Cables* 1- 4- 10- 20- 30- and 100-m lengths (special order up to 100-m) (3.28, 13.1, 32.8, 65.6, 98 ft.)
Warranty 3-year instrument; 2-year cable; 1-year Polarographic sensors; 6-months Galvanic sensors
Salinity Input Range 0-70 ppt; manual (automatically compensates for manual input value)
Data Memory 50 data sets
Languages English, Spanish, German, French
Certifications RoHS, CE, WEEE, IP-67, 1-meter drop test
063507 tripod is ideal for lab
Pro20 Ordering Information (Order items separately)
603075 soft-sided carrying case with
Pro20, cable, and accessories.
Accessories Ordering Information
603062 cable management kit. 603069 belt clip.
* Special order cable lengths up to 100-meters in 10-meter increments available. ** Standard
6050020 Pro20 Handheld instrument
60520-1 1-m cable for DO/temp
60520-4 4-m cable for DO/temp (includes cable management kit)
60520-10 10-m cable for DO/temp (includes cable management kit)
60520-20 20-m cable for DO/temp (includes cable management kit)
60520-30 30-m cable for DO/temp (includes cable management kit)
60520-100 100-m cable for DO/temp
605780 Self-stirring BOD probe with 2-m (6 ft.) cable included
605202 Galvanic Sensor for any cable
605203 Polarographic Sensor for any cable
603077 Flow cell, 203 mL, with single port adapter
603075 Soft-sided carrying case
603074 Hard-sided carrying case
603069 Belt clip to attach instrument to belt
063517 Ultra clamp (attach to instrument to secure it to a desk, boat, etc)
063507 Small tripod (attach to instrument to sit on any flat surface)
603062 Cable management kit (included with 4- 10- 20- and 30-m cables)
605978 Cable weight, 4.9 oz., attach to stainless steel probe guard
5913** 1.25 mil PE membranes for galvanic (6 yellow caps and solution)
5908** 1.25 mil PE membranes for polarographic (6 yellow caps and solution)
5914 2 mil PE membranes for galvanic (6 blue caps and solution)
5909 2 mil PE membranes for polarographic (6 blue caps and solution)
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