User manual

SDL150-EU-EN-V2.1-11/11

Specifications

General Specifications

Display 52 x 38mm (2 x 1.5”) Backlit LCD

Status indicators Out-of-range (----) and low battery

Probe type Polarographic type oxygen probe with temperature measurement

Measurement Units

DO (Dissolved Oxygen) in mg/L units

O2 (Oxygen) in air in percent units

Temperature in °C/°F units

Datalogger Sampling Rate AUTO LOGGING: From 1 second to 8 hours 59 minutes

and 59 seconds. Note that a one (1) second sampling rate

can cause some data loss on slower computers

Memory Card: SD Cards 1G to 16GB

Display update rate Approx. 1 second.

Data Output RS-232 / USB PC computer interface

Operating Temperature 0 to 50

C (32 to 122

Operating Humidity 85% R.H. max.

Auto Power OFF After 10 minutes of inactivity (can be disabled)

Power Supply Six (6) 1.5 VDC batteries (optional 9V AC adaptor)

Power Consumption Normal operation (backlight and datalogger OFF): approx. 14mAdc

With backlight OFF and datalogging ON: approx. 37mAdc

With backlight ON add approx. 12mAdc

Weight 362g (0.79 lbs.) meter only

Dimensions Main instrument: 182 x 73 x 47.5mm (7.1 x 2.9 x 1.9”)

Probe: 190 x 28 mm (7.5 x 1.1”) diameter

Electrical Specifications

(ambient temperature 23

C ± 5

Measurement Range Resolution Accuracy

Dissolved Oxygen (DO) 0 to 20.0 mg/L 0.1 mg/L ± 0.4mg/L

Oxygen in air 0 to 100.0% 0.1% O2 ± 0.7% O2

Temperature 0 to 50°C (32 to 122°F) 0.1°C/°F ± 0.8°C (1.5°F)

Probe Compensation

Adjust

Salt 0 to 50%

Height (Altitude) 0 to 8900m (29,300 ft)