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 ± 1LSD
pH Calibration : Up to five-point calibration, eight standard buffers available (pH 1.68, 3.00,
4.01, 6.86, 7.01,9.18, 10.01, 12.45), and five custom buffers
pH Temperature Compensation : automatic or manual from -20.0 to 120.0 °C
mV Range : ±2000.0 mV
mV Resolution : 0.1 mV
mV Accuracy : ±0.2 mV ± 1LSD
mV Relative Offset : ±2000.0 mV
EC 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 actual EC*
EC Resolution : 0.001 μS/cm, 0.01 μS/cm, 0.1 μS/cm, 1 μS/cm, 0.001 mS/cm, 0.01 mS/cm,
0.1 mS/cm
EC Accuracy : ±1% of reading (±0.01 μS/cm)
EC Calibration : automatic standard recognition (0.000 μS/cm, 84.00 μS/cm, 1.413 mS/cm,
5.000 mS/cm, 12.88 mS/cm, 80.00 mS/cm, 111.8 mS/cm) or user standard; single point or
multi-point calibration
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)
TDS Resolution : 0.001 ppm, 0.01 ppm, 0.1 ppm, 1 ppm, 0.001 ppt, 0.01 ppt, 0.1 ppt
TDS Accuracy : ±1% of reading (±0.01 ppm)
EC/TDS Temperature Compensation : disabled, linear and non-linear (natural water)
Temperature Correction Coefficient : 0.00 to 10.00 %/°C
Reference Temperature : 5.0 to 30.0 °C
Cell Constant : 0.0500 to 200.00
Cell Type : 4 cells
Salinity (% NaCl) Range : 0.0 to 400.0 %
Salinity (% NaCl) Resolution : 0.1 %
Salinity (% NaCl) Accuracy : ±1% of reading
Salinity (PSU) Range : 0.00 to 42.00 psu
Salinity (PSU) Resolution : 0.01
Salinity (PSU) Accuracy : ±1% of reading
Salinity (PSU) Calibration : 1 point (with HI7037 standard)
Salinity Range : 0.00 to 80.00 ppt
Salinity Resolution (ppt) : 0.01
Salinity Accuracy (ppt) : ±1% of reading
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•cmResistivity 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 : ±2% of reading (±1 Ω•cm)
Temperature Range : -20.0 to 120.0 ºC**; -4.0 to 248.0 ºF**; 253.15 to 393.15 K**
Temperature Resolution : 0.1 °C, 0.1 °F, 0.1 K
Temperature Accuracy : ±0.2 °C; ±0.4 °F; ±0.2 K (without probe)
Input Channels : 2 (pH/mV; onductivity/Resistivity/ TDS/Salinity)
pH Electrode : HI1131B glass body pH electrode with BNC connector and 1 m (3.3’) cable (included)
EC/TDS Probe : HI76312 platinum, four-ring EC/TDS probe with and 1 m (3.3’) cable (included)
Temperature Probe : HI7662-T stainless steel temperature probe with 1 m (3.3’) cable (included)
Logging Type : Automatic, Manual, AutoHold
Logging Memory : Up to 100 lots, 50,000 records max/lot; maximum 100,000 data points / channel
Logging Interval : 14 selectable between 1 second and 180 minutes
Connectivity : Opto-isolated USB
GLP : yes (GLP Channel 1:Electrode offset / slope, calibration points, calibration time stamp,
GLP Channel 2 : Probe cell constant / offset, reference temperature, compensation
coefficient, calibration points, calibration time stamp)
Calibration Timeout Reminder : yes
USP Compliant : USP <645> Application
Profiles : up to 10, 5 each channel
Display : Color Graphic LCD 240 x 320 pixels, 8 keys capacitive touch keyboard
Power Supply : 12 VDC adapter (included)
Environment : 0 to 50°C (32 to 122°F; 273 to 323 K), RH max 95% non-condensing)
Notes : *Uncompensated conductivity (or TDS) is the conductivity (or TDS) value without
temperature compensation.
**Reduced to actual probe limits
Dimensions : 160 x 231 x 94 mm (6.3 x 9.1 x 3.7”)
Weight : 1.2 Kg (2.6 lbs)