
- Color High contrast LCD touchscreen, 4.3 inches.
- Intelligent operation system provides features including user management, calibration management, electrode management, method management, data management, Log Management and etc.
- Multi-reading feature allows auto-read, timed-read and continuous-read.
- Automatic/Manual temperature compensation ensures accurate results.
- Auto-hold feature senses and locks the measurement endpoint.
- Data Storage 1000 sets for each parameter (GLP-compliant).
- Data analysis feature helps user review, compare and recalculate results.
- Support for USB communication.
- Auto-power off feature effectively extends the battery service life.
- Reset feature automatically resumes all settings back to factory default options.
- IP65 waterproof.
pH
- 1-8 points calibration with Standard Recognition.
- Selectable pH buffer groups, including USA, NIST, DIN, GB, MERK, JIS.
- User-defined pH buffer or buffer group is supported.
- Automatic electrode diagnosis with pH slope and offset display.
Ion
- 1-6 points calibration.
- Selectable measurement unit, including μg/L, mg/L, g/L, mmol/L, pX, ppm, etc.
- Multi-measurement modes are supported, including Direct Reading mode, Standard Addition mode, Sample Addition mode and GRAN mode.
- Over 10 methods are built-in, including F-, Cl-, Br-, I-, NO3-, BF4-, NH4+, K+, Na+, Ca2+, Cu2+, Pb2+, Ag+ and etc., user-defined method is supported.
Conductivity
- 1-5 points calibration automatically recognizes the standard solutions.
- Settable parameters, including cell constant, reference temperature (5/10/15/18/20/25°C), temperature compensation coefficient and TDS factor.
- Temperature compensation type (none, linear, pure water).
DO
- Support for air-saturated water or zero oxygen calibration.
- Auto barometric pressure compensation
- Manual Salinity Factor Correction
Selectable pressure unit, including kPa, mbar, Torr, Atm.




| Model | NB-M510T | |
| Parameters | pH/EC/ISE/DO/Temp. (mV/ORP/pX/Resistivity/TDS/Sal./DO Saturation) | |
| pH | Range | -2.000 to 20.000 pH |
| Resolution | 0.1, 0.01, 0.001pH | |
| Accuracy | ±0.002 pH | |
| Calibration Points | Up to 8 | |
| Standard Customization | Yes | |
| Calibration Reminder | Yes | |
| Standard Recognition | USA, NIST, MERK, JIS, GB and DIN buffers | |
| Slope Limit | Yes | |
| mV/ORP | Range | -2000.00 to 2000.00 mV |
| Resolution | 0.1, 0.01 mV | |
| Accuracy | ±0.1 mV or ±0.03% | |
| EH ORP Mode | Yes | |
| ORP Calibration Points | 1 custom point (relative mV) | |
| pX | Range | -2.000 to 20.000 pX |
| Resolution | 0.1, 0.01, 0.001 pX | |
| Accuracy | ±0.002 pX | |
| Calibration Points | Up to 6 | |
| ISE | Range | 1E-9 to 9.999E9 |
| Units | mol/L, mmol/L, g/L, mg/L, μg/L | |
| Resolution | Up to 4 significant digits | |
| Accuracy | ±0.3% | |
| Calibration Points | Up to 8 | |
| Conductivity | Range | 0.000 μS/cm to 3000 mS/cm |
| Resolution | 0.001 μS/cm minimum, various with range selection | |
| Accuracy | ±0.5% FS | |
| Reference Temperature | 5, 10, 15, 18, 20, 25 ºC | |
| Calibration Points | Up to 5 | |
| Calibration Reminder | Yes | |
| Standard Recognition | 10μS/cm, 84μS/cm, 500μS/cm, 1413μS/cm, 12.88mS/cm | |
| Resistivity | Range | 5.00 Ω·cm~100.00 MΩ·cm |
| Resolution | 0.01 Ω·cm minimum | |
| Accuracy | ±0.5% FS | |
| TDS | Range | 0.000mg/L~1000g/L |
| Resolution | 0.001mg/L minimum, changed with range | |
| Accuracy | ±0.5% | |
| Salinity | Range | (0.00~8.00)% |
| Resolution | 0.01% | |
| Accuracy | ±0.1% | |
| Dissolved Oxygen Concentration | Sensor Type | Polarographic |
| Range | 0.00 to 99.99 mg/L | |
| Resolution | 0.01mg/L | |
| Accuracy | ±0.3mg/L (0.00 to 20.00 mg/L);±10% (20.00 to 99.99 mg/L) | |
| Calibration Reminder | Yes | |
| Calibration Points | Air-saturated water or zero point | |
| Barometric Compensation | Yes | |
| Manual Salinity Factor Correction | Yes | |
| Saturation | Range | (0.0 to 600.0)% |
| Resolution | 0.10% | |
| Accuracy | ±10.0% | |
| Temperature | Range | -10 to 135 ºC, 14 to 275 ºF |
| Unit | ºC, ºF | |
| Resolution | 0.1 | |
| Relative Accuracy | ±0.1 | |
| Measurement | Reading Mode | Auto Read (Fast, Medium, Slow), Timed, Continuous |
| Reading Prompts | Reading, Stable, Locked | |
| Temp. Compensation | ATC, MTC | |
| Data management | Data Storage | 1000 Groups |
| GLP Features | Yes | |
| Inputs | pH Electrode | BNC(Q9) |
| DO with Temp. Probe | 4-pin aviation connector | |
| Conductivity with Temp. Probe | 5-pin aviation connector | |
| Outputs | USB | USB 2.0 flash memory device, PC, scanner |
| Bluetooth | printer | |
| Display options | Backlight | Yes |
| Auto Shutdown | 300, 600, 1200, 1800, 3600 sec., off | |
| IP Rating | IP65 | |
| Date and Time | Yes | |
| General | Power | Rechargeable Lithium battery, AC Adapter, 100-240V AC input, DC5V output |
| Dimensions | 90×255×40 mm | |
| Weight | 500g (1.1 lb) | |
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FAQ:
Q1: Why Choose NANBEI ?
(1).Professional manufacturer with more than 13 years experience
(2).Exported to more than 97% Countries
(3).Turnkey Solution is no problem
Q2:OEM,ODM acceptable or not?
Absolutely Yes
Q3:What's kind of Payment terms for customer choosing?
T/T ,Western Union, Money Gram , Credit Card, Paypal , L/C ...
Q4:Can we visit your factory online?
Absolutely no problem
Q5:Can online video inspection before shipment?
Absolutely no problem
Q6: what's the MOQ ? Sample order is OK?
MOQ:1 set, sample order is no problem
Q7:What's kind of shipment for customer choosing?
Usually ship by sea, by air, by international express .
We can also provide reasonable solutions according to your transportation requirements
Q8:How to ensure product quality and after-sales service?
We have CE, ISO quality certificate, and SGS authentication.
After-sale service:
- Warranty : 1 year
- We supply free part for quality problem in warranty
- Long life technical support and service








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