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GY-4 Digital Fruit Penetrometer Hardness Tester with Stand
GY-4 Digital Fruit Penetrometer Hardness Tester with Stand
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GY-4 Digital Fruit Penetrometer Hardness Tester with Stand
The GY-4 is a digital fruit penetrometer for checking fruit firmness, hardness, and ripeness in orchard, fruit company, university, and research workflows. The included test stand helps keep the tester aligned during penetration testing, giving a more controlled setup than pressing the gauge by hand.
Use this fruit hardness tester for fruit quality checks on products such as apples, pears, strawberries, and grapes when harvest timing, storage, transport, processing, or export inspection requires repeatable firmness data.
Key Features
- Digital display fruit hardness tester / fruit sclerometer for firmness and ripeness checks.
- Test stand included for vertical pressing and more stable sample positioning.
- Measurement range: 1kg to 50kg.
- Selectable units: Newton, kg, and pound via panel buttons.
- Peak hold function keeps the peak value on screen until reset.
- Peak auto-clear function can clear the displayed peak after a set time.
- Data storage and data output functions support review and computer analysis through the supplied interface setup.
- RS232 9-pin socket is listed as the standard output interface; USB connection is described as optional, so confirm cable/interface requirements if USB is needed.
- Upper/lower limit comparison with audible and visual alarms using indicator lights and buzzer.
- Rechargeable power supply with 100V-240V charger input.
- Built-in S-type high-precision sensor structure.
Verified Specifications
| Model | GY-4 |
|---|---|
| Product type | Digital fruit penetrometer / fruit hardness tester |
| Range | 1kg to 50kg |
| Measurement units | N, kg, lb |
| Error | ±0.5% |
| Output interface | RS232 9-pin socket standard; optional USB connection listed in product data |
| Power | Rechargeable battery charger, 100V-240V input |
| Sensor structure | Built-in S-type high-precision sensor |
| Working temperature | 5°C to 35°C |
| Transport temperature | -10°C to 60°C |
| Relative humidity | 15% to 80% RH |
| Working environment | Use away from vibration sources and corrosive substances |
| Net weight | 1.5kg |
| Tester dimensions | 230 x 66 x 36mm |
Set and Accessories
- Digital fruit hardness tester body.
- Manual test stand shown in product images.
- Carry case and accessory layout shown in product images.
- Probe/pressure head accessories shown in product images.
- Charging and data cable accessories shown in product images.
Typical Applications
- Fruit firmness measurement during harvest timing decisions.
- Ripeness and maturity checks before storage, transport, or processing.
- Quality comparison for orchard, fruit company, laboratory, and university testing.
- Penetration-force testing where a fixed test stand is preferred over handheld operation.
Selection Notes
- This is a fruit penetrometer, not a metal, concrete, or coating hardness tester.
- Confirm that the 1kg to 50kg range fits the fruit type and test method you need.
- If computer connection is required, confirm the RS232/USB cable setup before ordering.
- Use the tester within the stated working environment to protect the sensor and display.
FAQ
Is the GY-4 used for fruit firmness testing?
Yes. The GY-4 is used to measure fruit hardness or firmness for ripeness, maturity, storage, transport, and processing decisions.
Does this listing include a test stand?
Yes. The product title and images show the GY-4 tester with a manual test stand.
What units can it display?
The product data lists Newton, kg, and pound as selectable measurement units.
Can it output data to a computer?
Yes. The product data lists RS232 output and data output functions for computer analysis. USB is described as optional, so confirm the required interface if USB connection is important.
Which fruits are mentioned for this tester?
The product information mentions apples, pears, strawberries, and grapes as example fruit types.
