Benchtop Dissolved Oxygen Meter Feature:

6.5-inch LED screen, simple and friendly interface.
Built-in microprocessor chip supports auto-diagnosis and is more convenient to use.
It supports wireless Bluetooth printing.
It has ATC, automatic salinity compensation and automatic pressure compensation.
Polar spectrum dissolved oxygen electrode with short polarisation time (3-5 minutes).
Omron is a long-lasting light-touch key that can be used more than 100,000 times.
1000 sets of test data can be stored, saved, and transferred to a USB stick and opened in Excel.

Benchtop Dissolved Oxygen Meter Specification:

Model	DO-B903
Display Parameters	Concentration, Saturation, Temperature
DO	Range	0.000 – 90 mg/L (ppm)
	Resolution	0.01/0.1
	Accuracy	± 0.5%
	Saturation	0.0 – 600%
Saturation	Resolution	0.10%
Saturation	Accuracy	±2.0%FS
Temperature	Measuring Range	(-10～110)℃
	Resolution	0.1℃
	Accuracy	±0.1℃
	Compensation Range	(0 ~ 45)℃ (automatic)
Salinity Compensation Range		(0.0～50.0)g/L
Air Pressure	Compensation Range	(80 ~ 105)kPa (automatic）
	Resolution	1
	Accuracy	± 2%
Stability	(±0.07mg/L)/1h
Response Time	≤30s (25℃, 90% response)
Other Parameters	Display	6.5-inch LED screen
	Data Storage	1000 sets
	Power	12V (110-220, 50-60Hz adapter)
	Communication Interface	USB, RS232, Bluetooth
	Size & Weight	240×170×70mm/600g
Working Conditions	Temperature	5 ~ 40 ℃
	Humidity	5-85%
	IP grade	IP54
Meter Kits	1) DO meter
	2) Electrode holder
	3) Two-in-one electrode that consists of DO electrode and temperature probe.
	4) DO filling solution
	5) Membrane cap
	6) Cathode polishing paper
	7) Power adapter
External Size	215x170x40mm
Shipping Size	475x430x75mm
Net /Gross Weight(kg)	0.6/3