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pH Range: -2.0 to 20.0 pH; -2.00 to 20.00 pH; -2.000 to 20.000 pH
pH Resolution: 0.1 pH; 0.01 pH; 0.001 pH
pH Accuracy: ±0.1 pH; ±0.01 pH; ±0.002 pH (±1 last significant digit)
Calibration Points: Up to 5
Calibration Type: Automatic; Semiautomatic; Manual
Standard Buffers: Hanna and NIST (pH 1.68, 3.00, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45)
Custom Buffers: Up to 5
Custom Group Option to select from eight standard buffers and user-defined custom buffers
First Calibration Point: Offset or Point (user setting)
Isopotential Point: -2.000 to 20.000 pH
mV Range: -2000.0 to 2000.0 mV
mV Resolution: 1 mV; 0.1 mV
mV Accuracy: ±0.2 mV ±1 last significant digit
mV Calibration: Single point offset, ±2000.0 mV
ISE Range:
1.0×10¯5 to 300.0 ppt (g/L or mg/mL)
5.0×10¯3 to 1.0×105 ppm (mg/L or µg/mL)
1.0 to 5.0×107 ppb (µg/L)
1.0×10¯7 to 10.0 M (mol/L)
1.0×10¯4 to 1.0×104 mmol/L
1.0×10¯6 to 60.0 %w/v
5.0×10¯7 to 5.0×107 user
ISE Resolution: 1, 2, 3 significant digits
ISE Accuracy: ±0.5% (monovalent ions); ±1% (divalent ions)
ISE Calibration Points: Up to 5
ISE Calibration Type: All Standards; Standard Group
ISE Standards: 7 standard solutions available for each concentration unit
ISE Custom Standards: Up to 5
ISE Custom Group: Up to 5
Conductivity Range: 0.000 to 9.999 μS/cm; 10.00 to 99.99 μS/cm; 100.0 to 999.9 μS/cm; 1.000 to 9.999 mS/cm; 10.00 to 99.99 mS/cm; 100.0 to 1000.0 mS/cm
Conductivity Resolution: 0.001 μS/cm; 0.01 μS/cm; 0.1 μS/cm; 0.001 mS/cm; 0.01 mS/cm; 0.1 mS/cm
Conductivity Accuracy: ±1 % of reading or ±0.010 μS/cm, whichever is greater
Conductivity Cell Constant: 0.0500 to 200.0000 /cm
Conductivity Calibration Type: Automatic; Manual
Conductivity Calibration Points: Single; Up to 5
Conductivity Calibration Solutions: 84 μS/cm; 1413 μS/cm; 5000 μS/cm; 12880 μS/cm; 80000 μS/cm; 111800 μS/cm
Resistivity Range: 1.0 to 99.9 Ω•cm; 100 to 999 Ω•cm; 1.00 to 9.99 KΩ•cm; 10.0 to 99.9 KΩ•cm; 100 to 999 KΩ•cm; 1.00 to 9.99 MΩ•cm; 10.0 to 100.0 MΩ•cm
Resistivity Resolution: 0.1 Ω•cm; 1 Ω•cm; 0.01 KΩ•cm; 0.1 KΩ•cm; 1 KΩ•cm; 0.01 MΩ•cm; 0.1 MΩ•cm
Resistivity Accuracy: ±1 % of reading or ±1 Ω•cm, whichever is greater
Total Dissolved Solids (TDS) Range: 0.000 to 9.999 ppm; 10.00 to 99.99 ppm; 100.0 to 999.9 ppm; 1.000 to 9.999 ppt; 10.00 to 99.99 ppt; 100.0 to 400.0 ppt; actual TDS (with 1.00 factor)
Total Dissolved Solids (TDS) Resolution: 0.001 ppm; 0.01 ppm; 0.1 ppm; 0.001 ppt; 0.01 ppt; 0.1 ppt
Total Dissolved Solids (TDS) Accuracy: ±1 % of reading or ±0.01 ppm, whichever is greater
Salinity Range: 0.00 to 42.00 PSU (Practical Salinity Scale); 0.00 to 80.00 ppt (Natural Sea Water); 0.0 to 400.0 % (Percent Scale)
Salinity Resolution: 0.01 PSU; 0.01 ppt; 0.1 %
Salinity Accuracy: ±1 % of reading
Salinity Calibration: 1 point, using 100 % salinity calibration solution (% scale only)
Temperature Range: −20.0 to 120.0 °C; −4.0 to 248.0 °F; 253.2 to 393.2 K
Temperature Resolution: 0.1 °C; 0.1 °F; 0.1 K
Temperature Accuracy: ±0.2 °C; ±0.4 °F; ±0.2 K
Temperature Calibration: Single point, adjustable
Temperature Compensation For pH: Automatic; Manual
For Conductivity: Linear; Natural; Standard; Disabled
Reference Temperature: For Conductivity: 5.0 to 30.0 °C (41.0 to 86.0 °F , 278.2 to 303.2 K)
Temperature Coefficient: For Conductivity: 0.00 to 10.00 %/°C
Reading Mode Direct
Direct/Autohold
ISE Only: Known Addition, Known Subtraction, Analyte Addition, Analyte Subtraction
Conductivity Only: Direct/USP
Basic View: Measurement data; Measurement profile (if enabled); Stability status
Simple GLP View:
Basic view information
For pH: pH Last calibration date, slope, offset (pH, Rel. MV – ISE Only)
For Conductivity: Last calibration date and offset
Full GLP View Simple GLP Information; Calibration point details (pH, ISE, Conductivity, and Salinity)
Graph View: Basic view information; measurement versus time graph
Table View: Basic view information; Table with measurements updated every second
Reading Stability Criteria: Accurate; Medium; Fast
Reading Sampling Rate: 1000 ms
Logging Type: Automatic; Manual; Autohold
Logging Number of Records: 50,000 maximum per file and stores at least 1,000,000 data points per user
Logging Automatic Interval: 1, 2, 5, 10, 30 seconds and 1, 2, 5, 10, 15, 30, 60, 120, 150, 180 minutes
Logging Sample ID: Incremental Mode; Manual
Logging Export Option: .CSV file format
Connectivity USB-A: 2 ports
keyboard and/or printer input
USB Flash Drive
Connectivity USB-C:
1 port
PC Connectivity and USB-C Type Flash Drive
Connectivity Wi-Fi & Ethernet FTP; Web Server (Log transfer and download); Email
Connectivity RS232: Connecting peripherals
Calibration Reminder: Daily (0 minutes to 23 hours and 59 minutes); Periodic (1 minute to 30 Days, 23 hours and 59 minutes); or Disabled
Users: Up to 9 users and the default administrator account
Power Supply: DC adapter 100-240 VAC to 24 VDC 2A
Environment: 0 to 50 °C / 32 to 122 °F / 273 to 323 K maximum 95 % RH non-condensing
Dimensions: 205 x 160 x 77 mm (8.0 x 6.2 x 3.0 “)
Weight: 8.05 lbs
