Dissolved Oxygen and BOD Meter HI98186

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HANNA

Hanna Instruments HI 98186 is a Dissolved Oxygen Meter with Barometer. DO, Barometric Pressure, Salinity Compensation, BOD, OUR and SOUR ...

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hi98186 hanna do meter เครื่องวัดออกซิเจน เครื่องวัด do

HI 98186

Dissolved Oxygen and BOD Meter

xtended DO range up to 50 ppm and 600% saturation
Built-in barometer
Salinity, pressure and temperature compensation
Backlit, graphic LCD display
Calibration reminder
Log on demand (400 samples)
Auto HOLD
GLP features
PC connectivity via USB

HI 98186 portable Dissolved Oxygen Meter has extended ranges of up to 50 ppm or 600% saturation. This instrument includes barometric pressure measurement and calibration with a user selectable unit (mmHg, atm, mbar, psi, kPa) as well as a 1 or 2 point temperature calibration. Salinity, pressure and temperature compensations enhance the precision of your readings.

With its internal barometer, the instrument is able to automatically compensate for changes in barometric pressure so there is no need for charts, altitude information or external barometric pressure information. Salinity compensation in water allows direct determination of dissolved oxygen in saline waters.

Other features include measurement and methods for BOD (biochemical oxygen demand), OUR (oxygen uptake rate), and SOUR (specific oxygen uptake rate).

The HI 98186’s log on-demand features allows users to store up to 400 samples that can be later transferred to a PC with the HI?920013 USB cable and HI 92000 software.

An “Out Of Calibration Range Warning” can be activated to alert the user in the event that a reading is taken too far from the calibration's periphery. A combination of dedicated and soft keys allows easy, intuitive operation in a choice of languages. Comprehensive GLP data is directly accessible by pressing the GLP key and a contextual Help menu can be access to obtain on-screen information and assistance about each feature at the touch of a button.

Designed for field use, this instrument can be easily operated with one hand and is housed in a rugged carrying case. The inductive charger can either be plugged into a standard 115V socket with the adapter included or a 12 VDC source, such as a car's 12 V accessory outlet.

Specifications:

Range	DO	0.00 to 50.00 mg/L (ppm); 0.0 to 600.0 % saturation
	Barometric Pressure	450 to 850 mmHg
	Temperature	-20.0 to 120.0°C (-4.0 to 248.0°F)
Resolution	DO	0.01 mg/L (ppm); 0.1% saturation
	Barometric Pressure	1 mm Hg
	Temperature	0.1°C/°F
Accuracy (@20°C)	DO	±1.5% of reading ±1 digit
	Barometric Pressure	± 3 mmHg within ±15% from the calibration point
	Temperature	±0.2°C/±0.4°F (excluding probe error)
Measurement Modes		direct DO; BOD (biochemical oxygen demand); OUR (oxygen uptake rate); SOUR (specific oxygen uptake rate)
Calibration	DO	automatic one or two point at 100 % (8.26 mg/L) and 0 % (0 mg/L).; manual one point using a value entered by the user in % saturation or mg/L
	Barometric Pressure	one point at any in range pressure value
	Temperature	one or two point at any in range temperature value
Compensation	Barometric	automatic from 450 to 850 mmHg
	Salinity	automatic from 0 to 70 g/L
	Temperature	automatic from 0.0 to 50.0 ºC (32.0 to 122.0 ºF)
Probe		HI 76407/4F polarographic DO probe with protective sleeve, internal temperature sensor, DIN connector and 4m (13’) cable (included)
Logging		log on demand, 400 samples
PC Connection		opto-isolated USB (with HI?92000 software)
Battery Type / Life		1.2V (4) AA rechargeable batteries/approximately 200 hours of continuous use without backlight
Auto-off		user selectable: 5, 10, 30, 60 min or can be disabled
Environment		0 – 50 ºC (32 – 122 ºF) RH max 100%
Dimensions		226.5 x 95 x 52 mm (8.9 x 3.75 x 2”)
Weight		525 g (1.1 lbs.)