GENERAL FEATURES
● Color High contrast LCD touchscreen, 7.0 inches.
●Intelligent operation system provides features including user management, calibration management, method management,
data management and etc.
●Multi-reading feature allows auto-read, timed-read and continuous-read.
●Automatic/Manual temperature compensation ensures accurate results.
●Data storage 1000 sets for each parameter (GLP-compliant).
●Data analysis feature helps user review, compare and recalculate results.
●Support for USB or RS-232 communication.
●Reset feature automatically resumes all settings back to factory default options.
●IP54 waterproof.
●Automation measurement.
pH
● 1-6 points calibration with standard recognition.
● Selectable pH buffer groups, including DIN, NIST, USA, MERK,
JIS, GB.
● Support for pH standard group customization.
● Automatic electrode diagnosis with pH slope and offset display.
Conductivity
● 1-5 points calibration with standard recognition.
● 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).
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.
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 | M500T | PH500T | EC500T | I500T | DO500T | |
| Parameters (up to 12) | pH/EC/ISE/DO/Temp. (mV/ORP/pX/Resistivity/TDS/Sal./DO Saturation) | pH/Temp. (mV/ORP) | EC/Temp. (Resistivity/TDS/Sal.) | pH/ISE/Temp. (mV/ORP/pX) | DO/Temp. (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 6 | ● | / | ● | / | |
| Standard Customization | Yes | ● | / | ● | / | |
| Calibration Reminder | Yes | ● | / | ● | / | |
| Standard Recognition | NIST,GB,DIN,USA,MERK,JIS 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 % of reading whichever is greater |
● | / | ● | / | |
| 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,ppm | / | / | ● | / | |
| Resolution | Up to 4 significant digits | / | / | ● | / | |
| Accuracy | ±0.3 % | / | / | ● | / | |
| Calibration Points | Up to 6 | / | / | ● | / | |
| Conductivity | Range | 0.000 μS/cm to 2000 mS/cm | / | ● | / | / |
| Resolution | 0.001 μS/cm minimum; changed with range | / | ● | / | / | |
| 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 | 5.00Ω·cm ～ 100.00MΩ·cm | / | ● | / | / |
| Resolution | 0.01Ω·cm minimum | / | ● | / | / | |
| Accuracy | ±0.5 % FS | / | ● | / | / | |
| TDS | Range | 0.000 ～ 1000ppt | / | ● | / | / |
| Resolution | 0.001ppm minimum; changed with range | / | ● | / | / | |
| Accuracy | ±0.5% | / | ● | / | / | |
| Salinity | Type | NaCl% | / | ● | / | / |
| 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）% | / | / | / | ● |
| Resolution | 0.10% | / | / | / | ● | |
| Accuracy | ±10.0% | / | / | / | ● | |
| Temperature | Range | -10 to 135 ºC, 14 to 275 ºF | ● | ● | ● | ● |
| Unit | ºC, ºF | ● | ● | ● | ● | |
| Resolution | 0.1 | ● | ● | ● | ● | |
| Accuracy | ±0.1 | ● | ● | ● | ● | |
| Measurement | Reading Mode | AutoRead( Fast, Medium, Slow), Timed, Continuous | ● | ● | ● | ● |
| Reading Prompts | Reading, Stable, Locked | ● | ● | ● | ● | |
| Temp. Compensation | ATC, MTC | ● | ● | ● | ● | |
| Data Management | Data Storage | 1000 Groups | ● | ● | ● | ● |
| GLP Features | Yes | ● | ● | ● | ● | |
| Log Management | Yes | ● | ● | ● | ● | |
| Inputs | pH Electrode | BNC(Q9) | ● | / | ● | / |
| Temp./DO Probe | 4-pin aviation connector | ● | / | ● | ● | |
| Temp./EC. Probe | 5-pin aviation connector | / | ● | / | / | |
| Outputs | USB | USB 2.0 flash memory device, PC | ● | ● | ● | ● |
| RS 232 | printer、scanner、autosampler | ● | ● | ● | ● | |
| Display Options | Backlight | Yes | ● | ● | ● | ● |
| Auto Shut-down | 1~60 min, off | ● | ● | ● | ● | |
| IP Rating | IP54 | ● | ● | ● | ● | |
| Date and Time | Yes | ● | ● | ● | ● | |
| General | Power | AC Adapter，100-240 VAC input, DC24V output | ● | ● | ● | ● |
| Dimensions | 220 x 195 x 68 mm | ● | ● | ● | ● | |
| Weight | 950g（2.09 lb） | ● | ● | ● | ● | |