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index_04
products
 

Portable Dissolved Oxygen Meters

Designed for Field Applications - MS 0257

 
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Dissolved Oxygen Meters (Portable)
 
 
 
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Rugged DO Meter with Extended Range
MS 0257 is a water-resistant, microprocessorbased, Dissolved Oxygen Meters with automatic calibration and temperature compensation (ATC). D.O. measurements can be displayed in parts per million (ppm=mg/L) or in % saturation. The temperature range is indicated in Celsius from 0 to 50°C with 0.1 resolution. The MS 0257 also allows manual compensation of altitude and salinity values. The polarographic probe, supplied with the instrument is provided with a protective cover for the membrane. A HOLD button allows the user to freeze the reading on the LCD. MS 0257 can be powered with batteries (with low battery indicator) or through a 12 Vdc adapter.

• Extended altitude compensation
• Extended salinity compensation
• Designed for the field

 
 
SPECIFICATION :
Range:   

O2:- 0.00 to 45.00 mg/L % Saturation O2:- 0.0 to 300.0%,
Temperature:- 0.0 to 50.0°C

Resolution:

O2:- 0.01 mg/L % Saturation O2:- 0.1%, Temperature:-0.1°C

Accuracy (@ 20°C)

O2:- ±1.5% F.S. % Saturation O2:- ±1.5% F.S., Temperature:- ±0.5°C

Calibration     Automatic, in air, at 100%
Temperature Compensation Automatic, 0 to 50°C (32 to 122°F)
Altitude Compensation 0 to 4 km (resolution 0.1 km)
Salinity Compensation

0 to 80 g/L (resolution 1 g/L)

Probe (included)

MS 87518/4F with 4 m cable

Power Supply

(4) 1.5V AA batteries / approx. 200 hours of continuous use; auto-off
after 4 hrs of inactivity; or input for 12 Vdc power adapter

Environment  

0 to 50°C (32 to 122°F); RH max 100%

Dimensions  

196 x 80 x 60 mm (7.7 x 3.1 x 2.4”)

Weight

500 g (1.1 lbs.)

 
 

Protection
MS 87518/4F D.O. probe isspecially designed for fieldapplications, where protectionof the membrane frommechanical stress is required.

 

Ordering Information
MS 0257-04 is supplied complete with MS 87518/4F probe with 4 m (13') cable andprotective sleeve, 2 spare membranes, MS 9263S electrolyte solution (30 mL), batteries, hardcarrying case and instructions.

 
   
 
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