What is the Hargreaves Plantar Test used for?

The Hargreaves Plantar Test (also known as the Plantar Test for Thermal Hyperalgesia) is a widely used method for assessing pain sensitivity in rodents. Using an Infrared Plantar Test System, researchers measure paw withdrawal latency to evaluate thermal pain thresholds and investigate pain mechanisms in preclinical studies.

How does the Plantar Test Apparatus measure paw withdrawal latency?

Our Plantar Test Apparatus uses a controlled infrared light stimulation system with 0–150W intensity and 100-step adjustment. When the infrared beam is applied to the paw, the device records paw withdrawal latency with 0.01s timing precision, providing highly accurate and reproducible rodent paw withdrawal latency measurements.

What makes your Hargreaves Apparatus ideal for pain research?

This Hargreaves Apparatus for Pain Research is equipped with a high-quality TFT LCD display and 7-inch capacitive touch screen (1024×600 resolution, <3ms response time, 178° wide viewing angle). It supports modular chambers (up to 12 mice or 6 rats), precise thermal intensity control, and built-in data storage for up to 5000 experiments—perfect for thermal pain threshold testing in a high-throughput setting.

Can I export data from the Infrared Plantar Test System?

Yes. The Infrared Plantar Test System stores data locally in CSV format and supports USB export. Recorded parameters include animal information, duration, light intensity, max/min/average values, and start/stop time—making it easy to analyze results in any standard data-processing software.

How does the device ensure animal safety during thermal stimulation?

Our thermal pain threshold testing device features a protective timer (5–30 seconds) to prevent tissue damage, along with a high-quality heat filter lens that reduces visible light interference while maximizing thermal radiation. This design ensures both animal welfare and reliable experimental outcomes.

SANS Hargreaves Plantar Test

Q: Can I export data from the Infrared Plantar Test System?

Yes. The Infrared Plantar Test System stores data locally in CSV format and supports USB export. Recorded parameters include animal information, duration, light intensity, max/min/average values, and start/stop time—making it easy to analyze results in any standard data-processing software.

Q: How does the device ensure animal safety during thermal stimulation?

Our thermal pain threshold testing device features a protective timer (5–30 seconds) to prevent tissue damage, along with a high-quality heat filter lens that reduces visible light interference while maximizing thermal radiation. This design ensures both animal welfare and reliable experimental outcomes.

Vendor: SANS

Type: Behavioral & Phenotyping Systems

High-precision Hargreaves Plantar Test for thermal nociception studies. Infrared stimulus, 0.01s timing accuracy, and high-throughput design for reliable pai... ... Read More

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Overview

Feature

Advantages

Applications

Specifications

Order Information

Resources

FAQ

Customer Review

overview

The Hargreaves Plantar Test is a widely used method for evaluating thermal nociception and analgesic drug efficacy in pharmacological research. In this test, a focused beam of infrared radiant heat is applied to the plantar surface of a rodent’s hind paw through a transparent glass platform, and the paw withdrawal latency is recorded as an indicator of pain threshold.

Our Plantar Test system adopts a microcomputer-controlled method to ensure accurate and reproducible measurements with 0.01 s timing precision. The system consists of an infrared emitter/detector unit, control software, a high-temperature glass platform, and modular animal enclosures. With support for up to 12 mice or 6 rats simultaneously, it enables efficient, high-throughput testing in freely moving, unrestrained animals.

Features & Benefits

Precise Infrared Heat Stimulation

Infrared radiant heat source with 5–100% intensity adjustment
Double-convex lens focusing system ensures accurate and targeted stimulation
Optical filtering and anti-reflection design reduce visible light interference and improve experimental consistency

High-Precision Measurement & Flexible Control

0.01 s timing accuracy for highly reproducible results
Adjustable irradiation time with configurable safety cut-off to prevent tissue damage
Foot pedal trigger enables hands-free and precise operation

User-Friendly Interface

7″ IPS capacitive touch screen with high resolution and fast response
Intuitive UI with real-time data display for easy parameter setup and monitoring

High Throughput & Data Management

Supports up to 12 mice or 6 rats simultaneously
Built-in memory stores up to 5000 data records
Data export via USB in .CSV format for further analysis

System Integration & Expandability

Supports external 3.3V–5V TTL trigger input/output for synchronization with third-party systems

Advantages

The Hargreaves Plantar Test (Plantar Analgesia Meter) is considered a gold-standard method for thermal pain assessment and analgesia research. It enables accurate measurement of paw withdrawal latency in freely moving animals without the need for restraint, reducing stress and improving data reliability.

Compared with conventional systems, this instrument integrates advanced optical focusing technology, precise microcomputer control, and enhanced data management capabilities. The addition of a foot pedal trigger improves operational efficiency, while the optical filtering system minimizes interference and enhances measurement consistency.

Applications

Nociception and pain research

Analgesic drug screening

Thermal hyperalgesia studies

Behavioral neuroscience

Specifications

Parameter	Specification
Animal Capacity	Animal modular enclosures for up to 12 mice and 6 rats simultaneous testing
Display	7″ LCD touch screen for parameter setting (light intensity, thresholds, etc.) with real-time data display
Stimulus Type	Infrared light
Power Range	0–150 W (1.5 W step adjustment)
Heat Intensity Adjustment	5–100%
Maximum Illumination Time	0.01–16 s (adjustable)
Measurement Mode	Manual
Cut-off Timing	5–30 s to protect rodents
Timing Accuracy	0.01 s
Calibration	IR Radiometer (optional)
TTL I/O	Supports external 3.3V–5V high-level signal trigger with input/output TTL signal
Power Supply	AC 110–220 V, 50–60 Hz, 150 W
Sound Level	< 40 dB
Data Export	Exportable via USB disk in .CSV format for easy analysis
Optional Accessories	External thermal printer for real-time data printing
Platform Design	High-temperature resistant transparent glass platform for easy operation, cleaning, and reduced animal distraction
Working Platform Size	80 × 40 × 17 cm (L × W × H)
Animal Enclosure Size	62 × 21 × 20 cm (L × W × H), suitable for 6 rats or 12 mice
Weight	3.5 kg

Order Information

Item No.	Product
SA709	Hargreaves Plantar Test
SA709-01	Plantar Test Controller Unit
SA709-02	Acrylic Animal Enclosure
SA709-03	Working Platform with Glass Pane
SA709-04	Emitter Vessel
SA709-05	Main Cable

Certificate

For Research Use Only (RUO). Not for use in diagnostic procedures or patient testing.

Resources

Welcome to the User Manual! This manual is your go-to resource for understanding and utilizing our product efficiently. It offers comprehensive instructions, troubleshooting tips, and FAQs to help you navigate through its features seamlessly.

SA709 Hargreaves Plantar Test Brochure 2026

Frequently Asked Questions

What is the Hargreaves Plantar Test used for?

The Hargreaves Plantar Test (also known as the Plantar Test for Thermal Hyperalgesia) is a widely used method for assessing pain sensitivity in rodents. Using an Infrared Plantar Test System, researchers measure paw withdrawal latency to evaluate thermal pain thresholds and investigate pain mechanisms in preclinical studies.
How does the Plantar Test Apparatus measure paw withdrawal latency?

Our Plantar Test Apparatus uses a controlled infrared light stimulation system with 0–150W intensity and 100-step adjustment. When the infrared beam is applied to the paw, the device records paw withdrawal latency with 0.01s timing precision, providing highly accurate and reproducible rodent paw withdrawal latency measurements.
What makes your Hargreaves Apparatus ideal for pain research?

This Hargreaves Apparatus for Pain Research is equipped with a high-quality TFT LCD display and 7-inch capacitive touch screen (1024×600 resolution, <3ms response time, 178° wide viewing angle). It supports modular chambers (up to 12 mice or 6 rats), precise thermal intensity control, and built-in data storage for up to 5000 experiments—perfect for thermal pain threshold testing in a high-throughput setting.
Can I export data from the Infrared Plantar Test System?

Yes. The Infrared Plantar Test System stores data locally in CSV format and supports USB export. Recorded parameters include animal information, duration, light intensity, max/min/average values, and start/stop time—making it easy to analyze results in any standard data-processing software.
How does the device ensure animal safety during thermal stimulation?

Our thermal pain threshold testing device features a protective timer (5–30 seconds) to prevent tissue damage, along with a high-quality heat filter lens that reduces visible light interference while maximizing thermal radiation. This design ensures both animal welfare and reliable experimental outcomes.