SevenGo Duo pro™ pH/Ion/Conductivity  

SG78
SevenGo Duo pro™ combines maximum measurement accuracy and an excellent range of functions with user-friendly operation and exceptional security. SevenGo Duo pro™ meters are essential for special analyses, particularly in regulated sectors in the pharmaceutical, chemical, cosmetic and food, environmental/water quality testing & beverage industry. The kit versions are also well suited for outdoor use because both the meter and the sensors are watertight (IP67).

The revolutionary intelligent sensor management system (ISM) offers the user an even greater level of security. The calibration data is stored on the chip in the sensor and is used automatically when the sensor is connected to the meter. This ensures that the meter always uses the latest calibration data.
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pH/Ion/Conductivity Meter (IP67) for the Strictest Demands

  • Portable dual-channel meter for the parallel determination of pH, mV, rel. mV or ion concentrations and conductivity, TDS (total dissolved solids), salinity or specific resistance
  • Either linear or segmented 5-point pH calibration with selection from 7 predefined and one user-defined buffer groups
  • 5 predefined conductivity standards – option to enter user-defined standard or cell constant
  • Modern data management for 500 GLP data records with date/time, sensor ID and serial number, user and sample ID
  • Contactless infrared interface for data transmission to a printer or PC
  • Intuitive, user-friendly operation using menu guidance in 10 languages and backlit display
  • Rugged watertight housing (IP67)
  • Revolutionary intelligent sensor management (ISM)
Specifications - ML1305 SevenGo Duo pro™ pH/Ion/Conductivity
Short description Professional dual-channel meter for the parallel determination
of pH, ion concentrations, mV/redox or rel. mV
and conductivity, salinity, TDS or specific resistance 
pH-range -2.000 ... 19.999 
pH-resolution 0.1/0.01/0.001 
pH-relative accuracy 0.002 
mV-range -1999.9 ... 1999.9 
mV-resolution 0.1 
mV-relative accuracy 0.1 
Temperature range C pH/mV: ATC: -5.0 ... 105.0; MTC: -30 ...
130/LF: -5.0 ... 105.0 
Temperature resolution C pH/mV: 0.1/LF: 0.1 
Temperature accuracy C pH/mV: 0.2/LF: 0.1 
Calibration pH: Max. 5 points, 7 predefined buffer groups 
Conductivity range 0.01 S/cm ... 1000 mS/cm 
Cond. resolution 0.01 ... 1 
Cond. accuracy 0.5% maximum value in subrange 
TDS range 0.1 mg/L ... 600 g/L 
TDS resolution 0.1 ... 1 
TDS accuracy 0.5% maximum value in subrange 
Salinity range 0.00 ... 80.00 ppt 
Resistivity range 0.01 … 100.00 MOhm•cm 
Free disk space 500 data records 
Connection to computer IR interface for printer or PC (via RS232 or USB) 
Display Dot matrix LCD 
Power supply 4 AA batteries 1.5 V or NiMH accumulator 1.3 V 
Operating environment 0 ... 40C; 5 ... 85% relative humidity (no cond.) 
RangeResAccuracy
Ions (mg/l, mmd/l, mol/l) 0.000 to 999.9%
0.000 to 9999ppm
1.0E-9 to 9.99E9
-0.5%

Specification

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