£213.01

Apera Instruments Apera GroStar Series GS4 pH/EC/500ppm/700ppm Multiparameter Pen Tester Kit (Gen II) with Replaceable pH/EC Probe for Hydroponics Water Quality Testing

AI104G

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£213 today · previous high £213 · all-time low £187

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Last 24 days • 24 data points (No recent data available)

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£213.01 £184.40 £190.64 £196.88 £203.13 £209.37 £215.61 18 March 2026 23 March 2026 29 March 2026 04 April 2026 10 April 2026

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Price distribution over 24 days • 3 price levels

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15 days 6 days 3 days · current 0 4 8 11 15 £187 £210 £213 Days at Price

Price Analysis

Most common price: £187 (15 days, 62.5%)

Price range: £187 - £213

Price levels: 3 different prices over 24 days

Description

Apera Instruments GroStar GS4 pH/EC/ppm Combo Pen Tester (Gen II) is a lab-grade multi-parameter meter designed specifically for growers to easily manage crop success, featuring a replaceable pH/EC combo sensor and a grower-friendly workflow along with other intelligent functions and features that help reduce the guesswork and give you confidence in every measurement. Tester Kit contains: GroStar GS4, calibration solutions (pH 4.00 + pH 7.00 + 2.77 EC, 50ml each), 3M KCl storage solution, 4 AAA batteries, lanyard.

Key Features

Lab-grade instrument designed specifically to meet growers' needs and habits

The replaceable pH/EC combo probe is designed to measure temperature, pH value, and conductivity (EC/500ppm/700ppm) in range of 0 to 10 EC, with high accuracy

Grower-friendly calibration workflow on an HD backlit screen allows you to finish 2-point calibration within a minute

Electrode condition indicator and calibration reminder function help you perform proper maintenance

TruRead measurement mode automatically generates the average, maximum, and minimum readings from multiple measurements, helping you to minimize the measurement error

Product Specifications

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