Features:

• Measured DO &temperature can be displayed together
• Automatic power shutdown without operate for 20 minutes, battery saving
• Handheld design, easy to carry
• Low battery indicator
• Easy 100% D.O value calibration
• Automatic temperature compensation
• Backlight screen, easy to use in the shade
• Data can be transferred to the computer with the data line (RS232)

 
Technical Parameter:

Display type:	LCD
Measurement Range:	0.00 ~ 20.00 mg/L ,  -5 to +80℃
Resolution:	0.01 mg/L ,  0.1 ℃
Accuracy:	± 0.5 % F.S ,  ± 0.2℃
Temperature:	Automatic
Compensation:	-5 to +80℃
Power supply:	4 ×1.5V batteries
Weight:	500 grams
Dimensions:	175×70×33mm
Environmental:	Operating ambient temperature: -10 to +55℃
Requirements:	Relative humidity：5% to 95% noncondensing
	Maximum operating altitude:10,000 feet (3000 m)