Technical Specifications:
 pH Specifications:

• pH Range: ?2.0 to 16.0 pH, -2.000 to 16.000 pH, -2.00 to 16.00 pH
• pH Resolution: 0.1, 0.01, 0.001 pH
• pH Accuracy (@25ºC/77ºF): ±0.01 pH, ±0.002 pH
• pH Calibration: Up to five point calibration, seven standard buffers available (1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45), and two custom buffers
• pH Temperature Compensation: Automatic or manual from -20.0 to 120.0 °C
• Relative mV Offset Range: ±2000 mV

 EC Specifications:

• EC Range: Up to 500.0 mS/cm actual* conductivity, 0.00 to 29.99 μS/cm, 30.0 to 299.9 μS/cm, 300 to 2999 μS/cm, 3.00 to 29.99 mS/cm, 30.0 to 200.0 mS/cm
• EC Resolution: 0.01 μS/cm, 0.1 μS/cm, 1 μS/cm, 0.01 mS/cm, 0.1 mS/cm
• EC Accuracy (@25ºC/77ºF): ±1% of reading (±0.05 μS/cm or 1 digit, whichever is greater)
• EC Calibration: One point slope calibration; six buffers available: 84.0, 1413 μS/cm; 5.00, 12.88, 80.0, 111.8 mS/cm; one point offset: 0.00 μS/cm
• EC Temperature Compensation: Automatic or manual from -20.0 to 120.0°C, or disabled

 TDS Specifications:

• TDS Range: Up to 400.0 g/L actual* TDS (with 0.80 factor), 0.00 to 14.99 ppm (mg/L), 15.0 to 149.9 ppm (mg/L), 150 to 1499 ppm (mg/L), 1.50 to 14.99 g/L, 15.0 to 100.0 g/L
• TDS Resolution: 0.01 ppm, 0.1 ppm, 1 ppm, 0.01 g/L, 0.1 g/L
• TDS Accuracy (@25ºC/77ºF): ±1% of reading (±0.03 ppm or 1 digit, whichever is greater)
• TDS Factor: 0.40 to 0.80 (default value is 0.50)

Salinity Specifications:

• Salinity Range: 0.0 to 400.0% NaCl
• HANNA Instruments Bangladesh, House: 491(1st Floor), Road: 32, Mohakhali DOHS, Mohakhali, Dhaka Registered Address: 12/D Borobagh, Mirpur, Dhaka- 1216, Bangladesh. Email: info@hannainst.com.bd, www.hannainst.com.bd, www.hannainst.com
• Salinity Resolution: 0.1% NaCl
• Salinity Accuracy (@25ºC/77ºF): ±1% of reading (excluding probe error)
• Salinity Calibration: One point, with HI7037 calibration solution (optional)

 Temperature Specifications:

• Temperature Range: -20.0 to 120.0°C (-4.0 to 248.0°F)
• Temperature Accuracy: ±0.4°C (±0.8°F) (excluding probe error)
• Temperature Resolution: 0.1°C (0.1°F)
• Temperature Coefficient: 0.00 to 6.00 %/°C (for EC and TDS only; default value is 1.90 %/°C

 ISE Specifications:
ISE/ORP Range: ±999.9 mV; ±2000 mV
ISE/ORP Resolution: 0.1 mV (±1000.0 mV); 1 mV (± 2000 mV)Automatic Temperature Compensation?w) ISE/ORP Accuracy: ± 0.2 mV (±999.9 mV); ± 1 mV (±2000 mV)  Auto ranging EC and TDS measurements, Two Independent ChannelsTemperature Compensation, Automatic Calibration, Adjustable TDS Factor, GLP Data, Data Logging and Data Transfer