DO METER MODEL AD-630

Range : 0.00 to 45.00 ppm O2
0.0 to 300.0 % saturation
0.0 to 50.0° C / 32.0 to 122.0° F

Resolution : 0.01 ppm / 0.1% 0.1° C / 0.1° F
Accuracy : ± 1.5% f.s. ( DO) ± 0.5° C / ± 1.0° F
DO calibration :
Automatic, at 1 or 2 standard points ( 0 and 100% ) or 1 custom point ( > 20% )
Tempreature calibration : User offset adjustment .
Temperature compensation : Automatic from 0 to 50° C
Altitude compensation : 0 to 4000 m ( resolution 100 m)
Salinity Compensation : 0.0 to 50.0 g/ l ( resolution 0.1 g/ l)
Log-on-demand Up to 100 samples.
PC Interface : RS232 port.
Probe ( included) AD8001/ 3 galvanic DO probe with built-in temperature sensor, 
DIN connector.
Environment 0 to 50° C ( 32 to 122° F)
RH max. 100% non-condensing
Power Supply 4 x 1.5 V AA, alkaline battery.
Battery Life Approx. 200 hours of continuous use
Auto shutt-off User selectable: 5 minutes or disabled
Dimensions : 188 x 96 x 70 mm
Weight : 460 g

Supplied complete with :
AD8001/ 3 Galvanic DO probe with built-in temperature sensor, DIN connector 
and 3 m cable
AD8001A/ P Spare membrane with O-ring ( 5 pcs)

Supplied with:
AD8001/ 3 galvanic DO probe with built-in temperature sensor, 
spare membrane with O-ring, AD9072S electrolyte solution ( 30 ml bottle) ,
AD9551 serial communication cable, 1.5V AA alkaline battery ( 4 pcs) and 
user manual