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Apera Instruments GroStar GS4 5-in-1 pH/EC/PPM/Temp Combo Pen

Apera Instruments GroStar GS4 5-in-1 pH/EC/PPM/Temp Combo Pen

Lab grade instruments designed specifically for growers!

The GS4 5-in-1 Combo Pen includes: pH 7 & pH 4 calibration solution (50ml bottle each), 2.77 EC (50ml bottle) and KCL storage solution (10ml bottle), lanyard and user manual

  • Measures pH, conductivity (EC and 500ppm/700ppm) and temperature (5-in-1)
  • Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance
  • Easy-to-use design and fast calibration adjustment
  • Double junction replaceable probe, so you don't have to discard the entire pen when the probe reaches its end of life
  • Large 3-color backlit screen gives you clear information
  • Durable structure, IP67 waterproof
  • Powered by AAA batteries with auto off function
  • Automatic temperature compensation
  • 2-year warranty on pen, 1-year warranty on probe
  • Compatible with all Apera GroStar probes
$48.09

Original: $160.29

-70%
Apera Instruments GroStar GS4 5-in-1 pH/EC/PPM/Temp Combo Pen

$160.29

$48.09

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Description

Lab grade instruments designed specifically for growers!

The GS4 5-in-1 Combo Pen includes: pH 7 & pH 4 calibration solution (50ml bottle each), 2.77 EC (50ml bottle) and KCL storage solution (10ml bottle), lanyard and user manual

  • Measures pH, conductivity (EC and 500ppm/700ppm) and temperature (5-in-1)
  • Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance
  • Easy-to-use design and fast calibration adjustment
  • Double junction replaceable probe, so you don't have to discard the entire pen when the probe reaches its end of life
  • Large 3-color backlit screen gives you clear information
  • Durable structure, IP67 waterproof
  • Powered by AAA batteries with auto off function
  • Automatic temperature compensation
  • 2-year warranty on pen, 1-year warranty on probe
  • Compatible with all Apera GroStar probes

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