YSI® Pro20i Dissolved Oxygen Meter with Polarographic Sensor and 4 m Integral Cable, 607125
Note:
- Dissolved oxygen and temperature handheld instrument with integral (i.e. non-detachable) cable
- User-replaceable DO sensors
- Pro20i is direct replacement for the model 55 and 550A dissolved oxygen instruments
- EPA approved for wastewater compliance reporting of DO
- Also available with integral (i.e. built-in) cable with 1- or 10-m field cable and user-replaceable DO sensors
- User-friendly with one Touch Cal which allows for easy DO calibrations within 3 seconds with press of button
- Automatic barometric pressure compensation
- Quick response times; 95% response time in approximately 8 seconds with standard membrane (fastest response time on market)
- Stores 50 data sets
- Large graphic, backlit display and glow in the dark keypad
- True field instrument - display visible when wearing polarized sunglasses
- Tough, rugged, reliable, IP-67, impact-resistant, waterproof case — waterproof with and without the battery cover
- 1-meter drop tests ensure durability to provide years of sampling even in the harshest field conditions
- Rubber over molded case provides extra durability
- Multiple languages: English, Spanish, French, and German
Specifications:
| Temperature Resolution | 0.1°F (0.1°C) |
| Dissolved Oxygen Resolution, % Saturation | 0.1% or 1% air saturation (user selectable) |
| Dissolved Oxygen Accuracy, % 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 |
| Dissolved Oxygen Resolution, mg/L or ppm | 0.01 or 0.1 mg/L (user selectable) |
| Dissolved Oxygen Accuracy, mg/L or ppm | 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 |
| Barometer Range, mm Hg, mbar / in. Hg, psi, kPa | 400 to 999.9 mm Hg |
| Barometer Resolution | 0.1 mm Hg |
| Barometer Accuracy | ±5 mmHg within ±5°C temperature range from calibration point |
| Battery Life | Approximately 400 hrs without backlight |
| Low Battery Indicator | Yes, when 1 hr battery life remains |
| Cable Length | 4 m / 13.1 ft. |
| Salinity Input Range | 0-70 ppt; manual (automatically compensates for manual input value) |
| Data Memory | 50 data sets |
| Languages | English, Spanish, German, French |
| Range | Temperature: 23 to 131 degrees F (-5 to 55 degrees C), 0 to 45 degrees C for DO compensation for mg/L |
|---|---|
| Range | Dissolved Oxygen, % Saturation, % Location: 0 to 500 % |
| Range | Dissolved Oxygen, mg/L or ppm: 0 to 50 mg/L |
| Range | Barometer: 400 to 999.9 mm Hg |
| Power | 2 alkaline C-cells providing ~400 hours of battery life (without backlight) |
| Accuracy | Temperature: +/- 0.6 degrees F (+/- 0.3 degrees C) |
| Compliant/Standard | EPA, RoHS, CE, WEEE, IP-67 waterproof, 1-meter drop test |
| Dimensions | W x L x D: 8.3 cm x 21.6 cm x 5.6 cm / 3.25 in. x 8.5 in. x 2.2 in. |
| Weight | With batteries: 475 g / 1.05 lb. |
| Manufacturer | Yellow Springs Instruments (YSI) |
| Model No | 607125 |
| Warranty | 3-year instrument; 2-year integral cable; 1-year polarographic sensors |