Benchtop Multi-Parameter Water Quality Meter

FEATURES:

pH

• Equipped with 6.5 inch backlit LCD display
• 1 – 5 points calibration with automatic recognition for USA, NIST and DIN buffers
• Automatic electrode diagnosis shows the pH slope and offset

 ORP

• 1 point offset calibration allows adjusting the displayed value to a known standard
• Relative and absolute millivolt modes ensures accurate ORP measurements

ION CONCENTRATION

• 2 – 5 points calibration, including the 8 concentration points, can be selected
• Automatic electrode diagnosis shows calibration points and slopes
• Direct ion concentration readout
• Selectable concentration units (ppm, mg/L, mol/L, mmol/L) and ionic valency

CONDUCTIVITY/TDS/SALINITY/RESISTIVITY

• 1 -5 points calibration with automatic recognition for conductivity standards
• Selectable cell constant, reference temperature, TDS factor, linear and pure water compensations, seawater and practical salinity measurement modes
• Automatic electrode diagnosis shows calibration points and factors

DISSOLVED OXYGEN

• 1 or 2 points calibration using the air-saturated water and zero oxygen solution
• Salinity and barometric pressure compensation ensures accurate readings

OTHER FEATURES:

• Automatic Temperature Compensation provides accurate readings
• Auto read function senses and locks measurement endpoint
• Calibration reminder
• Setup menu allows setting the number of calibration points, resolution, stability criteria, temperature unit, date and time etc
• Reset function available to default instrument to factory settings
• Expanded memory up to 500 readings
• USB communication interface for data transfer and timed interval readings

Accessories:

• pH/conductivity/dissolved oxygen electrodes
• Temperature probe
• pH buffer sachets
• Conductivity standard solutions
• DO electrolyte solution
• Membrane cap
• Electrode holder
• USB cable
• Power adapter

 MODEL SPECIFICATIONS:

Model		MA-pH900
pH	Range	-2.000～20.000pH
	Resolution	0.001, 0.01, 0.1pH, selectable
	Accuracy	±0.002pH
	Calibration Points	1～5 points
	pH Buffer Options	USA, NIST, DIN, 2 custom buffers
ORP	Range	±1999.9mV
	Resolution	0.1, 1mV, selectable
	Accuracy	±0.2mV
	Calibration Points	1 point
Ion	Range	0.001～19999 (depending on range of ISE)
	Resolution	0.001, 0.01, 0.1, 1
	Accuracy	±0.5% FS (Monovalent), ±1% FS (Divalent)
	Measurement Units	ppm, mg/L, mol/L, mmol/L
	Calibration Points	2～5 points (0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000)
Conductivity	Range	0.1～2μS/cm (CON-0.1, optional), 2～20mS/cm (CON-1, standard), 20～200mS/cm (CON-10, optional)
	Resolution	0.001, 0.01, 0.1, 1
	Accuracy	±0.5% FS
	Calibration Points	1～5 points
	Calibration Solutions	10μS/cm, 84μS/cm, 1413μS/cm, 12.88mS/cm, 111.8mS/cm
	Temp. Coefficient	Linear (0.0～10.0%/°C), pure water
	Reference Temp.	20/25°C
	Cell Constant	K=0.1, 1, 10 or custom
TDS	Range	0～10.00, 100.0, 1000ppm, 10.00, 200.0ppt
	Resolution	0.01, 0.1, 1
	Accuracy	±1% FS
	TDS Factor	0.1～1.0 (default 0.5)
Salinity	Range	0.00～42.00psu, 0.00～80.00ppt
	Resolution	0.01
	Accuracy	±1% FS
Resistivity	Range	0.00～20.00MΩ
	Accuracy	±1% FS
	Resolution	0.01
Dissolved Oxygen	Range	0.00～20.00mg/L, 0.0～200.0% saturation
	Resolution	0.01mg/L, 0.1%
	Accuracy	±0.2mg/L, ±2.0%
	Calibration Points	1 or 2 points
	Barometric Pressure Correction	60.0～112.5kPa/450～850mmHg, manual
	Salinity Correction	0.0～50.0g/L, manual
Others	Temp. Compensation	0～100°C/32～212°F, manual or automatic
	Memory	500 data sets
	Output	USB interface
	Power Requirements	DC5V power adapter
	Dimensions mm	210*188*60
	Package Size (W*D*H) mm	310*240*180
	Net Weight (kg)	1.5
	Gross Weight (kg)	1.7