REX DO400F 便携式DO计 (（0.00~50.00）ppm，±0.10ppm （50.0~99.99）ppm，±0.50ppm)

Dissolved Oxygen Concentration: 

Sensor Type: Polarographic

Range: 0.00 to 99.99 ppm

Resolution: 0.01ppm

Accuracy: （0.00~50.00）ppm，±0.10ppm;   （50.0~99.99）ppm，±0.50ppm

Calibration Points: Air-saturated water or zero point

Barometric Compensation: Yes

Manual Salinity Factor Correction: Yes

DO Saturation: 

Range:  (0.0 to 600.0)%

Resolution: 0.001

Accuracy: ±2.0%

Temperature: 

Range: -10 to 135 ºC, 14 to 275 ºF

Unit: ºC, ºF

Resolution: 0.1

Accuracy: ±0.1ºC

Measurement: 

Reading Mode: Auto Read (Fast, Medium, Slow), Timed, Continuous

Reading Prompts: Reading, Stable, Locked

Temp. Compensation: ATC, MTC

Data management: 

Data Storage: 500 results each

GLP Features: Yes

Inputs: 

DO with Temp. Probe: 4-pin aviation connector

Outputs: 

USB: PC

RS 232: printer

Display options: 

Backlight: Yes

Auto Shutdown: 1~60 min, off

IP Rating: IP54

Date and Time: Yes

General: 

Power: AC Adapter, 100-240V AC input, DC9V output

Dimensions: 242×195×68 mm

Weight: 900g (1.98 lb)

Dimensions (Carton): 370×320×220 mm

Weight (Gross): 2.5 kg

Includes: 

DO-958-Q polarographic DO electrode（zero oxygen calibration solution, dissolved oxygen electrolyte, 3 pcs electrode membrane cover） 

REX-5 electrode stand 

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