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+603-2742 7468

GroStar GS4 pH / EC / 500ppm / 700ppm / Temperature Combo Pen Tester | Apera by Muser

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GroStar GS4 pH / EC / 500ppm / 700ppm / Temperature Combo Pen Tester | Apera by Muser Multi-Parameter Apera

Apera GroStar™ GS4 pH / EC / 500ppm / 700ppm / Temperature
5-in-1 Combo Pen Tester

SKU: AI21040
GroStar™ Premium Pen Testers are designed specifically for the horticultural market. GroStar's intelligent design reduces the guesswork so you can easily manage your crops success.
GS4 Features
  • Measures pH, conductivity (EC and 500ppm/700ppm) and temperature (5-in-1)
  • Compatible with all GroStar replacement probes: pH, Soil pH, EC and PH/EC Combo
  • 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 rating
  • Powered by AAA batteries with auto off function
  • Automatic temperature compensation 
  • pH 7 & pH4 calibration solution (50ml bottle each)
  • 2.77 EC calibration solution (50ml bottle)
  • KCL storage solution (10ml bottle)
  • Lanyard and user manual
Technical Specifications

Range 0.0 to 14.0 pH
0 to 10.0 EC
0 to 7000ppm (700ppm)
0 to 5000ppm (500ppm)
0 to 50 °C (32 to 122 °F)
Resolution 0.1 pH
0.1 EC
10 ppm (700ppm)
10 ppm (500ppm)
0.1 °C / °F
Accuracy ±0.1 pH
±0.1 EC
±30ppm (500ppm)
±40ppm (700ppm)
±1 °C / °F
Temperature Compensation Automatic
pH Calibration pH: Automatic 1 to 3 points (7 / 4 / 10)
Note: 10.01 pH solution is sold separately
EC: Automatic 1 point (2.77 EC)
Unit pH, EC, 500ppm, 700ppm, °C, °F
Power Supply 4 x AAA alkaline batteries
Backlight White: Measurement
Green: Calibration
Red: Errors
Reading Hold Manual
pH Probe Low-resistance lithium glass membrane, double-junction, blue gel electrolyte
EC Probe Titanium alloy
Successful Calibration Indicators M (7.00 pH / 2.77 EC)
L (4.00 pH)
H (10.01 pH)
Low Battery Reminder Yes
Waterproof Rating IP67
Reading Stabilization Icon smiley

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