The world’s most innovative pH, EC and DO meter. edge® is thin and lightweight, measuring just 1⁄2” (12 mm) thick and weighing less than 9 ounces (250 g). edge® has an incredibly wide viewing angle, 5.5” (14 cm) LCD and a sensitive capacitive touch keypad. edge® can measure either pH, conductivity and dissolved oxygen through its unique digital electrodes. See product specification sheet

• Two USB ports
• Clear, full text readout
• Data logging
• GLP
• Basic mode
• CAL Check™ (edge® pH measurement only)
• Capacitive touch keypad
• Easy to read LCD
• Zero footprint
• 3.5 mm probe Input
• Sleek design

edge® pH parameter features

• Resolution selectable from 0.01 and 0.001 pH
• Range -2.000 to 16.000 pH
• Accuracy ±0.002 pH for 0.001 pH resolution; ±0.01 for 0.01 resolution
• Data logging
· Manual log-on-demand
· Manual log-on-stability
· Interval logging
• Temperature readout (°C or °F)
• Automatic Temperature Compensation (ATC)
• CAL Check™ Indicators:
· Probe condition
· Response time
· Check buffer
· Clean electrode• Sensor Check™ Indicators:
· Broken electrode
· Clogged junction
• GLP data
· Records date, time, offset, slope and buffers used during calibration
• Five-point calibration
· A choice of seven pre-programmed buffers plus two selectable custom buffers
• Calibration tag on screen
· Identifies buffers used for current calibration

edge® EC parameter features

• Digital four-ring conductivity probe
· Covers all ranges from 0.00 ^S/cm to 500 mS/cm (absolute EC)
• Accuracy
· ± 1% of the reading (±0.05 ^S/cm or 1 digit, whichever is greater)
• Calibration
· Offset (0 μS/cm) and cell factor calibration
· Choice of 5 standards (auto-recognition)
• Data logging
· Manual log-on-demand
· Manual log-on-stability
· Interval logging
• Auto-ranging or manual range selection
• EC, TDS and salinity reading modes
• Temperature compensation
· Automatic
· NoTC (absolute)
• GLP data
· Records date, time, offset and cell factor
· Data of the last performed calibration is stored in the probe: date, time, cell constant, temperature coefficient, reference temperature and battery status. When the probe is connected to edge®EC , GLP data is automatically transferred
• Adjustable EC to TDS conversion factor
• Adjustable temperature correction coefficient
• Seawater salinity units
· % NaCl
· PSU
· g/L

edge® DO parameter features

• Clark type digital polarographic probe with easy-to-replace membrane cap
· Covers all ranges from
0.00 to 45.00 mg/L (ppm);
0.0 to 300% saturation
• Accuracy ±1.5% full scale
• One or two-point calibration (HA-7040), 0% (solution) and 100% (air)
• Data logging
· Manual log-on-demand
· Manual log-on-stability
· Interval logging
• Automatic Temperature Compensation from 0 to 50 °C
• GLP data
· Records date, time, calibration standards, altitude value and salinity value
• Altitude compensation from -500 to 4000 meters (-1640 to 13,123’)
• Salinity compensation from 0 to 40g/L