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Apera Instruments AI103G GroStar Series GS3 EC/500ppm/700ppm Pen Tester Kit with Replaceable Titanium EC Probe for Hydroponics Water Quality Testing, Gen II
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 20, 2026 3:02 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Apera Instruments
🚚 Shipping
Free Shipping
Product Details
✓Lab-grade EC/TDS meter designed specifically to meet growers' needs and habits
✓Measures conductivity EC, 500ppm, 700ppm and temperature
✓The replaceable titanium sensor is designed for high accuracy conductivity measurement in range of 0 to 10 EC
✓Grower-friendly calibration workflow on a backlit HD screen allows you to finish calibration within 30 seconds
✓The calibration reminder function automatically reminds you to recalibrate your tester
⚙️ Specifications
Range
0 to 10.0 EC, 0 to 7000ppm (700ppm), 0 to 5000ppm (500ppm), 0 to 50˚C (32 to 122˚F)
Resolution
0.1 EC, 10ppm (700ppm), 10ppm (500ppm), 0.1˚C/0.1˚F
Accuracy
±0.1 EC, ±30 ppm (500ppm), ±40ppm (700ppm), ±1˚C/±1˚F
Temperature Compensation
Automatic
Calibration
EC: Automatic 1-point (2.77EC)
Product Dimensions
7 x 1.5 x 1.3 inches
Item Weight
4.7 ounces
Manufacturer
Apera Instruments
ASIN
B0BGQHDCZC
Item model number
AI103G
Batteries
4 AAA batteries required. (included)
