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Hach

SensION 156 Portable Multi-Parameter Meters

Easily measures pH, dissolved oxygen and conductivity

  • Measures/compensates temperatures in °C or °F
  • Automatic buffer recognition
  • Waterproof (IP67) seal
  • Three-year warranty

Rugged, reliable meters featuring quick response and intuitive user interface are easy to calibrate and use. Unit features a slip-resistant keyboard. Hard coat anti-glare finish on the large-digit display resists scratching. The meter prompts user through each logical test sequence and displays mode and status of the test. Conductivity meters also measure TDS and salinity. All meters measure temperature.

Memory recall stores time, date and data for 199 measurements. User may activate a calibration review at any time. One-way RS-232 can be added through the optional Docking Station. Meters operate on 4 AA batteries (500 hour average continuous use life). May be converted to 115 VAC or 220 VAC through docking station.

Depending on which configuration ordered, unit includes: pH electrode, 4.01 and 7.00 buffers; four cell conductivity probe (1 meter cable), conductivity standard; and/or DO probe (1 meter cable), two membranes and electrolyte filling solution. Also included are power supply, beakers, quick reference card and an illustrated manual.

SpecificATIONS Range Resolution Accuracy
Conductivity: 0-199.9 µS/cm; 200-19999 µS/cm; 2-199.9 µS/cm; 20-199.9 µS/cm 0.1 µS/cm; 1 µS/cm; .01 mS/cm; 0.1 µS/cm ±0.5% of range ±1.0% at highest range
Salinity (Cond. Test): 0-42 ppt (%) 0.1 ppt ±0.1 ppt (-2 to 35°C)
Dissolved Oxygen: 0-20.0 mg/L (ppm); 2-100% sat. 0.01 or 0.1 mg/L; 0.1% sat. ±1% Full Scale
pH: -2.00 to 19.999 0.1/0.01/0.001 (selectable) ±0.002
mV: ±2000 mV 0.1 mV ±0.2mV or ±0.1% of reading (whichever is greater)
Temperature: pH: -10 to 110°C 0.1°C ±0.3°C @ 0 to 70°C; ±1.0°C @ 70 to 110°C
SpecificATIONS (For All Models)      
Outputs: 1-way RS232 via docking station    
Inputs: (2) 5-pin connector    
Power Requirements: 4 AA batteries (500 hour average life, continuous use; 110 to 220 VAC through Docking Station    
Buffer Recognition: 4.01, 6.86, 7.00, 10.01    
Calibration Points: pH: 1, 2 or 3; Cond and DO: 1    
Low Battery Indicator: Yes    
Waterproof: Yes, IP67    

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