13
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°F)
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°C)
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)
Copyright © 2011 Extech Instruments Corporation (a FLIR company)
All rights reserved including the right of reproduction in whole or in part in any form
www.extech.com
