1、 Measurement parameters

1、pH/ION 3310：pH、ORP、ISEIonic concentration (bromine, calcium, silver, potassium, copper, chlorine, fluorine, sulfur, cyanide, nitrate, ammonia nitrogen, sodium)

2、pH/Cond 3320：pH、ORP、ISEIonic concentration (bromine, calcium, silver, potassium, copper, chlorine, fluorine, sulfur, cyanide, nitrate), conductivity

3、Multi 3320：pH、ORP、ISEIonic concentration (bromine, calcium, silver, potassium, copper, chlorine, fluorine, sulfur, cyanide, nitrate), conductivity, dissolved oxygen

2、 Advantages and Characteristics

1、IP67Waterproof grade, the shell is firm and sturdy

2、 4individual5Powered by alkaline batteries or optional rechargeable batteries

3、 5000 Group large capacity storage

4、 Can set automatic storage interval

5、 Can be accessed through miniUSBTest results of interface output storage

6、 Support separated ion electrodes500Series (Only)pH/ION 3310）And composite ion electrode800series

IIITechnical Parameter

*Depends on the electrode and testing medium

Note: For specific electrode parameters, please refer to the general electrode section below

4、 Product classification
（1） The pH 3110/3310
1. Large LCD displays pH, ORP, temperature, electrode/battery status, and real-time clock
2. Built in recorder, capable of recording up to 5000 sets of data (3310)
3. Automatic reading, automatic calibration, automatic temperature compensation
4. USB interface (pH 3310)
5. Completely waterproof
6. Low power consumption, battery can work continuously for 2500 hours
7. Fully functional and compliant with GLP requirements

（2） The Cond 3110/3310
1. Cond3110: Using 4-pole measurement technology, it is a simple and practical conductivity meter that meets high requirements. Simple 5-key operation, automatic temperature measurement and temperature compensation.
2. Cond3310: Same as Cond 3110, with USB interface

（3） The Oxi 3205/3310
1. Large size LCD can display dissolved oxygen, temperature, electrode status, and clock
2. Automatic compensation for salinity, temperature, and pressure
3. Built in recorder, capable of recording up to 5000 data points (3310)
4. Automatic reading
5. Calibration is simple and fast, OxiCal ® Accurate and reliable calibration

5、 Technical parameters
（1） The pH 3110/3310
1. Range/accuracy:
①pH：2.0-19.9±0.1pH
-2.00-19.99±0.01pH
-2.000-19.99±0.005 pH
②ORP：±1200.0±0.3mV
±2000±1mV
±1200.0±0.3mV
±2500±1mV
2. Temperature (range/accuracy): -5.0-105.0 ℃/± 0.1 ℃
3. Display: 7-segment LCD display
4. Automatic reading: reproducibility better than 0.05pH
5. Calibration: Simple 1, 2, or 3 point calibration with automatic confirmation of standard solution (DIN or WTW)
The TEC
6. Correction storage: last/last five times
7. Data storage: manual 200, automatic 5000 sets
8. Interface: USB interface
9. Power supply: 4x1.5V alkaline battery or 4x1.2V rechargeable battery
10. Protection level: IP66/IP67 (IEC529)
11. Size: 180x80x55mm (length x width x height)

（2） The Cond 3110/3310
1. Range/accuracy:
① Conductivity: 0-1000ms/cm/± 0.5% Test value
0-1000ms/cm/± 0.5% test value
0.000-1.999μS/cm，K=0.01cm-1
0.00-19.99μS/cm，K=0.1cm-1
② Electrical resistivity: 0.00-999M Ω. cm/± 0.5% Test value
③ Salinity: 0.00-70.0
④TDS：0-1999mg/l，0-199.9g/l
2. Temperature (range/accuracy): -5.0-105.0 ℃± 0.1 ℃
3. Electrode constant:
Fixed at 0.475cm-1
Can verify 0.450-0.500cm-1
0.800-0.880cm-1
Fixed 0.475cm-1 0.010cm-1
Can verify 0.450-0.500cm-1
0.800-0.880cm-1
Adjustable: 0.090-0.110cm-1,
0.250-25，000cm-1
4. Display: 7-segment LCD display
5. Automatic reading: automatic/automatic or manual
6. Temperature compensation: Nlf/none, nlf， Linear 0.000-3.000%/K
7. Correction storage: last/last five times
8. Data storage: None/Manual 200 Automatic 5000 sets
9. Interface: No/USB interface
10. Power supply: 4x1.5V alkaline battery or 4x1.2V rechargeable battery
11. Protection level: IP66/IP67 (IEC529)
12. Size: 180x80x55mm (length x width x height)

（3） The Oxi 3205/3310
1. Range/accuracy:
① Dissolved oxygen concentration: 0.00-20.00mg/l ± 0.5% test value (CellOx325)
0.0-20.0mg/l ± 0.5% test value (DurOx325)
0-90mg/l ± 0.5% test value
② Saturation: 0.0-200.0% ± 0.5% Test value (CellOx325)
0-200% ± 0.5% test value (DurOx325)
0-600% ± 0.5% test value
③ Oxygen partial pressure: 0.0-200.0 mbar ± 0.5% test value
0-1250mbar ± 0.5% test value
2. Temperature (range/accuracy): -5.0-105.0 ℃± 0.1 ℃
3. Salinity correction: 0 or 35.0/automatic, range 0.0-70.0 fully adjustable
4. Display: 7-segment LCD display/7-segment LCD icon display, with backlight
5. Automatic reading: reproducibility better than 0.05mg/l
6. Pressure compensation: automatic compensation, 500-1100mbar
7. Temperature compensation: automatic (0-40)
8. Correction: In OxiCal ® Calibration is carried out in the calibration kit, with constant pressure and temperature for accurate and reliable calibration
9. Correction storage: last/last five times
10. Data storage: None/Manual 200 Automatic 5000 sets
11. Interface: No/USB interface
12. Power supply: 4x1.5V alkaline battery or 4x1.2V rechargeable battery
13. Protection level: IP66/IP67 (IEC529)
14. Size: 180x80x55mm (length x width x height)