| After-sales Service: | Online Service |
|---|---|
| Warranty: | 1 Year |
| Display: | Digital |
|
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|
Model
|
PH-820
|
PH-821
|
|
Dissolved Oxygen Range
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0.0~20 .0mg/L (or ppm)
|
0.00~2000mg/L (or ppm)
|
|
Accuracy
|
t0. 5mg/L
|
t0 2mg/L
|
|
Resolution
|
0. 1mg/L
|
0.01mg/L
|
|
% Saturation of Oxygen
|
0.0~200.0%
|
0.0~200.0%
|
|
Accuracy
|
+10% F.S
|
+2.0% F.S
|
|
Resolution
|
| 0.1%
|
0.1, 1%
|
|
Calibration Points
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1~2 points
|
1~2 points
|
|
Temperature Compensation
|
0~40°C, 32~104*F, Automatic
|
0~50°C,32~122°F, Automatic
|
|
Barometric Pressure Correction
|
60.0~112. 5kPa, 450~850mmHg
|
60.0~112.5kPa, 450~850mmHg
|
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Salinity Correction
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0~35g/L
|
0~50g/L
|
|
Hold Function
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Manual
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Manual or Automatic
|
|
Memory
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Stores up to 48 data sets
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Manual or Automatic (10, 20, 30 minutes)
|
|
Sensor Type
|
Polarographic Dissolved Oxygen Electrode
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Stores up to 500 data sets
|
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Connector
|
4-pin mini plug
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USB Communication Interface
|
|
Power Requirements
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1x9V/800mA battery
|
6-pin mini plug
|
|
Battery Life
|
Approximately 150 hours
|
3x1 .5V "AA" batteries (Standard)or DC5V power adapter (Optional)
|
|
Dimensions
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185*88*32mm
|
|
|
Package Size(W*D*H)
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475*155*350mm
|
|
|
Net Weight
|
300g
|
|
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Gross Weight
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2kg
|
|
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Delivery time
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In stock ,can be shipped immediately after payment
|
|
Delivery time
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3-7 days after payment
|
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