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Digital Portable DO Meter Model: 8402 Brand: AZ Instrument, Taiwan


Big LCD with D.O. & Temperature value display and stability indicator.
Easy 100% Dissolved Oxygen Value calibration.
Offered with most cost effective Clark type electrode.
No need refill electrolyte often as galvanic electrode.
Accurate dissolved oxygen measurement.
Manually salinity and barometric pressure compensation.
USB interface for PC linkage.

Technical Specification:
Technicla Specification
DO Measuring Range:0~199.9 (in %)
DO Accuracy: ±1.5% F.S (in %)
DO Resolution: 0.1% (in %)
DO Measuring Range: 0~19.99 (in ppm or mg/l)
DO Accuracy: ±1.5% F.S (in ppm or mg/l)
DO Resolution: 0.01 (in ppm or mg/l)
Temperature Measuring Range: 0~50.0℃
Temperature Accuracy: ±0.3℃
Temperature Resolution: 0.1℃
Manual Compensation: Included
Salinity Adjustable Range: 0.0~50.0 ppt
Salinity Resolution: 0.1 ppt
Barometric Pressure Adjustable Range: 500~1499 mmHg/66.6~199.9 Kpa
Barometric Pressure Resolution:1 mmHg/0.1 Kpa
Coefficient of membrane Adjustable
Memory N/A
IrDA Port N/A
Real Time/Recall N/A
LCD Size 44(L)*26 (W) mm
Operating Temperature 0~50℃
Operating RH% Humidity <80%
Storage Temperature 0~60℃
Storage RH% Humidity <90%
Sensor Life Time >6 months (with good maintenance)
Battery AAA *4 PCS
Meter Size: 175(L) * 70(W) * 33(H) mm
Weight ~150g
Standard Package: Meter, Batteries, Dissolve Oxygen (D.O.) Probe (840PAZ),
Manual, Carry Case, Electrolyte, Syringe, Membrane, O-ring
Optional Accessory: USB Cable & Software


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