ACCURATE DISSOLVED OXYGEN MEASUREMENT.
SALINITY AND BAROMETRIC PRESSURE COMPENSATION.
STORES AND RECALLS 99 DATA WITH TEMPERATURE READINGS.
REAL TIME CLOCK FOR EACH MEMORY DATA.
RS232 INTERFACE +IrDA INTERFACE.
CLARK -TYPE OXYGEN ELECTRODE.

DO range (in %): 0~199.9
DO accuracy: +/-1.5% F.S
DO resolution: 0.1%
DO range (in ppm or mg/l): 0~19.99
DO accuracy: +/-1.5% F.S
DO resolution: 0.01
Temperature range: 0~50.0 grdC
Temperature accuracy: +/-0.3 grdC
Temperature resolution: 0.1 grdC
Manual Compensation: INCLUDED
    Salinity range: 0.0~50.0 ppt
    Salinity res.: 0.1 ppt
    Barometric pressure: 500~1499mmHg/66.6~199.9KPa
    Pressure res.: 1mmHg/0.1KPa
Coefficient. of membrane: ADJUSTABLE
MEMORY: 99 POINTS
REAL TIME/RECALL: INCLUDED
IRDA PORT: INCLUDED
LCD size: 44(H)x26(W)mm
Operating Temperature: 0~50 grdC
Operating RH%: Humidity<80%
Storage Temperature: 0~60 grdC
Storage RH%: Humidity < 90%
Sensor life time: >6 months (with good maintenance)
Dimension: 175(L)x70(W)x33(H)
Weight: 150g
Battery: AAA x 4pcs
Standard Package: Meter/Battery/Probe(840P)/Manual/Carry case
                  Electrolyte/ /membrane/o-ring Syringe