Extech SDL150 Dissolved Oxygen Meter/Datalogger

Item #:

EXT-SDL150

Brand:

Extech

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SDL150 Dissolved Oxygen Meter/Datalogger by Extech

Dual backlit display of Oxygen Concentration and Temperature
Measures dissolved oxygen from 0 to 20.0mg/L and 0 to 100.0% oxygen plus temperature from 32 to 122°F (0 to 50°C)
Automatic Temperature Compensation from 0 to 50°C via temperature probe sensor built into polarographic type oxygen probe
Offset adjustment used for zero function to make relative measurements
Stores 99 readings manually and 20M readings via 2G SD card
Records readings with real date and time stamp
User programmable sampling rate: 1 second to 8hrs:59min:59sec
Min/Max and Data Hold functions
Auto power off with disable function
Built-in PC interface
Complete with 6 x AA batteries, SD card, probe, two spare replacement membranes, electrolyte, and hard carrying case

General Specifications

Display	52 x 38mm (2 x 1.5") Backlit LCD
Status indicators	Out-of-range (----) and low battery (battery Symbol)
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
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
Cable Length	4m (13.1ft)
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