portable multiparameter water quality meter/analyzer

900P

 

Characteristics:

pH Mode:
1. Portable multiparameter water quality meter is equipped with a large backlit LCD display.
2. 1 to 5 points push-button calibration with auto-buffer recognition.
3. Selectable pH buffer standard (USA/NIST/DIN) or using the custom calibration solutions.
4. Automatic electrode slope display helps user decide whether to replace sensor.
ORP Mode:
1. Single point offset calibration allows adjusting the displayed value to a known standard.
2. Relative and absolute millivolts measurement modes provide accurate ORP readings.
Ion Mode:
1. 2 to 5 points calibration including the eight concentration calibration points can be selected.
2. Automatically recognize ion selective electrodes, does not need to specify type of ion.
3. Direct ion concentration readout simplifies the elaborate measurement process.
4. Selectable multiple concentration units include the ppm, mg/L and mol/L.
Conductivity/TDS/Salinity/Resistivity Mode:
1. 1 to 5 points push-button calibration with automatic calibration solution recognition.
2. Selectable cell constant (0.1/1/10), normalization temperature (20/25°C), TDS conversion factor, seawater and practical salinity measurement modes.
3. Linear or pure water compensation improves measurement accuracy of meter.
Dissolved Oxygen Mode:
1. 1 or 2 points calibration using the air-saturated water and zero oxygen solution.
2. Manual salinity and barometric pressure compensation improve the measurement accuracy. 
Other Features:
1. Automatic Temperature Compensation provides accurate reading over the entire range.
2. Calibration Due Reminder prompts user to calibrate the meter regularly.
3. Stability indicator automatically shows current measurement status.
4. Auto-Hold function freezes stable measured value for easy viewing and recording.
5. Manual temperature calibration corrects temperature deviation.
6. Selectable temperature unit (°C or °F) meets different application requirements.
7. Automatic electrode diagnosis shows zero point offset and slope of the electrode.
8. Help message as a operational guide that helps you quickly begin using the meter.
9. System menu allows setting the 15 parameters, including the number of calibration points,resolution, stability condition, measurement unit, etc.
10. Reset feature automatically resumes all parameters back to factory default settings.
11. Expanded memory stores and recalls up to 500 readings.
12. Built-in real-time clock stamps stored data to meet GLP standard.
13. Stored data can be transferred into computer by USB communication interface.
14. Multi-mode power scheme (battery, power adapter, computer's USB port) ensures that use the meter smoothly.

Technical data:

Model	900P
pH
Range	-2.000~20.000pH
Accuracy	±0.002pH
Resolution	0.1, 0.01, 0.001pH, Selectable
Calibration Points	1 to 5 points
Calibration Solutions	USA, NIST, DIN or User-defined
Temperature Compensation	0~100°C, 32~212°F
Compensation Mode	Manual or Automatic
mV
Range	-1999.9~1999.9mV
Accuracy	±0.2mV
Resolution	0.1, 1mV, Selectable
Calibration Points	1 point (Only for Relative mV mode)
Calibration Range	±200mV
Ion
Range	0.001~19999ppm, mg/L, mol/L (Refer to the range of ISE)
Accuracy	±0.5% F.S (Monovalent), ±1% F.S (Divalent)
Resolution	0.001, 0.01, 0.1, 1
Calibration Points	2 to 5 points
Calibration Solutions	0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000ppm, mg/L, mol/L
Temperature Compensation	0~100°C, 32~212°F
Compensation Mode	Manual or Automatic

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