Lab-Grade Instruments Designed Specifically For Growers Lab-Grade Instruments Designed Specifically For Growers
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, 10ppm (700ppm), 10ppm(500ppm), 0.1˚F/0.1˚C
Accuracy
±0.1 pH,
±0.1 EC
±30ppm (500ppm)
±40ppm (700ppm)
±1˚C/±1˚F
Temperature compensation Automatic
Calibration
pH: automatic 1 to 3 points (7/4/10)
*10.01 pH solution sold separately;
EC: automatic 1 point (2.77 EC)
Unit pH, EC, 500ppm, 700ppm, ˚F, ˚C
Power supply 4-AAA alkaline batteries, up to 1000 hours of operation
Backlight White (measurement); Green (calibration); Red (errors)
Reading hold Manual
Warranty Two years for the instrument, one year for the probe
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
Waterproof rating IP67
Reading stabilization icon
What’s in the box
GS4 Premium pH/EC Pen Tester, 7.00/4.00 pH/2.77 EC (50mL
each), 3M KCL storage solution (10ml), user manual, lanyard.
pH buffer kit (4&7, 8oz. each) pH buffer kit (4,7&10, 8oz. each)
2.77 EC Standard Calibration Solution
Replacement Probes
GS4-E pH/EC
Combo Probe
GS2-E Soil pH Probe
Probe Care Kit
includes 3M KCL storage solution
(4oz.), cleaning solution (8oz.),
a CalPod solution organizer, a probe
cleaning brush, and a wash bottle
14
15
10 11
Technical Specs
Accessories
GS4 Combo Pen
Lanyard
Soaking
Solution
2.77 EC
Solution
7.00 pH
Solution
4.00 pH
Solution
What's in the box
GS3-E EC Probe
GS1-E pH Probe
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