1. Introduction
This manual provides detailed instructions for the Apera Instruments GroStar Series GS3 EC/ppm Pen Tester Kit (AI103G). This lab-grade conductivity meter is designed for accurate measurement of EC (Electrical Conductivity), 500ppm, and 700ppm, along with temperature, making it suitable for hydroponics and general water quality testing. The device features a replaceable titanium conductivity sensor and a user-friendly interface.
2. Produit terminéview
The GroStar Series GS3 EC/ppm Pen Tester is engineered for reliability and ease of use. Key features include:
- Measures conductivity (EC), 500ppm, 700ppm, and temperature.
- Replaceable titanium sensor for high accuracy in the 0 to 10 EC range.
- Backlit HD screen for clear readings.
- Grower-friendly calibration workflow with a calibration reminder function.
Figure 1: Apera Instruments GroStar Series GS3 EC/ppm Pen Tester.
Figure 2 : Gros plan view of the durable titanium alloy sensor for conductivity measurements.
Figure 3: The GroStar GS3 Pen Tester demonstrating its water resistance during use.
3. Installation
Before first use, ensure all components are present and the device is ready for operation.
3.1 Contenu de la boîte
- Apera Instruments GroStar Series GS3 EC/ppm Pen Tester (Gen II)
- 2.77 EC Calibration Solution
- Cordon
- 4 piles AAA (préinstallées ou fournies séparément)
Figure 4: The complete kit contents, including the tester, calibration solution, and lanyard.
3.2 Installation de la batterie
The device requires 4 AAA batteries. If not pre-installed, open the battery compartment located at the top of the tester, insert the batteries according to the polarity indicators, and securely close the compartment.
3.3 Préparation initiale
- Retirez le capuchon de protection du capteur.
- Rinse the sensor with distilled or deionized water.
- Gently shake off excess water.
4. Mode d'emploi
4.1 Mise sous/hors tension
Appuyez sur le POUVOIR button to turn the tester on or off.
4.2 Prendre une mesure
- Ensure the tester is clean and calibrated.
- Plonger le capteur dans le sampla solution, en veillant à ce que le capteur soit entièrement immergé.
- Stir gently and wait for the reading to stabilize on the display.
- The display will show EC/ppm and temperature readings.
4.3 Switching Measurement Modes (EC/ppm)
Appuyez sur le MODE/UNITS button to cycle through EC, 500ppm, and 700ppm measurement modes.
Figure 5: The tester's display cycling through different measurement units.
4.4 Fonction de maintien
Appuyez sur le PRISE Appuyez sur ce bouton pour figer la lecture actuelle affichée. Appuyez de nouveau pour relâcher.
4.5 TruRead Display
The TruRead display provides MAX, AVG, and MIN readings, offering a comprehensive view of your measurements.
Figure 6: The TruRead display feature, showing maximum, average, and minimum recorded values.
5. Étalonnage
Regular calibration ensures accurate measurements. The GS3 features a grower-friendly calibration workflow and a reminder function.
5.1 Processus d'étalonnage
- Allumez le testeur.
- Appuyez sur le CAL bouton pour entrer en mode d'étalonnage.
- Immerse the sensor into the 2.77 EC calibration solution.
- The tester will automatically recognize the solution and calibrate. Wait for the stable reading and confirmation.
- Rinse the sensor with distilled water after calibration.
Figure 7: Visual representation of the tester's display in measurement, calibration, and error states.
5.2 Calibration Reminder
The tester will automatically remind you when recalibration is due, ensuring consistent accuracy.
6. Entretien
6.1 Nettoyage du capteur
After each use, rinse the sensor thoroughly with distilled or deionized water to prevent residue buildup. Do not scrub the sensor vigorously.
6.2 Stockage
Always replace the protective cap after use. For long-term storage, ensure the sensor is kept moist. Refer to the product packaging or Apera Instruments website for specific storage solution recommendations if applicable.
6.3 Remplacement du capteur
The titanium EC sensor is replaceable. If the sensor performance degrades significantly or it becomes damaged, a new sensor can be purchased and easily installed by twisting off the old one and attaching the new one.
7. Dépannage
| Problème | Cause possible | Solution |
|---|---|---|
| Lectures inexactes | Sensor is dirty or dry; Calibration is outdated or incorrect; Damaged sensor. | Clean the sensor; Recalibrate the tester; Replace the sensor if damaged. |
| Le testeur ne s'allume pas. | Piles déchargées ; installation incorrecte des piles. | Remplacez les piles ; vérifiez la polarité des piles. |
| "CAL Er" error during calibration | Incorrect calibration solution; Contaminated solution; Sensor issue. | Ensure correct 2.77 EC solution is used; Use fresh calibration solution; Clean or replace sensor. |
8. Spécifications
- Numéro de modèle : AI103G
- Dimensions du produit : 7 x 1.5 x 1.3 pouces
- Poids: 4.69 onces
- Source d'alimentation : 4 piles AAA (incluses)
- Type de capteur : Replaceable Titanium EC Probe
- Paramètres de mesure : EC, 500ppm, 700ppm, Temperature
- Première date disponible : 28 septembre 2022
9. Garantie et assistance
Apera Instruments products are backed by a manufacturer's warranty. For detailed warranty information, technical support, or to purchase replacement parts, please visit the official Apera Instruments webou contactez directement leur service client. Conservez votre reçu d'achat pour toute réclamation sous garantie.
Fabricant: Instruments d'apera
