Technical Specifications for ZLR-320 Neutral Electrode Temperature Rise Tester

1. Overview

The ZLR-320 Neutral Electrode Temperature Rise Tester is a state-of-the-art device designed to evaluate the thermal performance of neutral electrodes (NE) in high-frequency surgical equipment. It adheres to the international standard IEC 60601-2-2:2017 and the Chinese national standard GB 9706.202-2021, ensuring compliance with the stringent requirements for the temperature rise characteristics of neutral electrode.

2. Purpose

The primary purpose of the ZLR-320 is to accurately measure and monitor the temperature rise of neutral electrodes under controlled conditions. This is crucial for ensuring the safety and reliability of high-frequency surgical equipment by identifying potential overheating issues

3. Features

High Precision Measurement: The tester provides highly accurate temperature measurements with a relative accuracy of 0.4°C, meeting the IEC 60601-2-2 requirement for temperature testing system error to be less than 0.5°C
Wide Measurement Range: It can measure temperatures across a broad range, suitable for various operating conditions.
Advanced Sensor Array: Features a 16 x 26 temperature sensor array, with each sensor deployed 2 cm at each edge of the temperature measurement board, providing comprehensive temperature data
Adjustable Test Parameters: Allows for the adjustment of the effective value of high-frequency current to 700mA for adults, 500mA for children, and 350mA for infants, ensuring versatility in testing different types of neutral electrodes
Rapid Measurement Speed: Capable of completing all temperature measurements within 1 second after high-frequency current load, adhering to the IEC 60601-2-2 requirement of completing temperature testing within 15 seconds
Contact Impedance Quality Monitoring: Includes CQM simulation testing for contact impedance quality, with a measurement accuracy of ±(3%+3 Ohm) and the ability to measure relative increase/decrease in CQM impedance until the alarm zone is reache.

4. Technical Specifications

Temperature Measurement Board Size: 12 cm x 22 cm (gold-plated testing area)
Spatial Resolution of Temperature Measurement Board: 1 cm²
Number of Temperature Sensor Arrays: 16 x 26
Adjustable High-Frequency Current Values: 700mA (adults), 500mA (children), 350mA (infants)
Test Load Time Options: 60 s, 10s, 300s
Tested Skin Adipose Tissue Thickness: 20mm, 15mm, 10mm, 5mm
Relative Temperature Measurement Accuracy: 0.4°C
CQM Impedance Measurement Range: 2Ω to 100Ω, with an alarm zone reached at 130% to 140% increase
Environmental Chamber Temperature: RT+5°C
Operation Interface: Available in both Chinese and English
API Integration: Provides API interfaces for LIMS integration
Dimensions (W x H x D): 1040 mm x 640 mm x 640 mm
Weight: 66 kg (including the main unit, measuring table, and cables)
Power Input: 220V AC, 50 Hz
Rated Power: 0.5 A @ 220 V, AC (at maximum current of 700 mA)
Integrated Computer: Embedded in the machine, running Windows 10 operating system

5. Applications

Medical Device Testing: Ideal for testing the thermal performance of neutral electrodes in high-frequency surgical equipment to ensure compliance with safety standards
Research and Development: Used by researchers and engineers to study the thermal characteristics of neutral electrodes and improve product design
Quality Control: Essential for manufacturers to perform quality checks and ensure that their products meet the required thermal performance standards

6. Safety and Compliance

Non-Surgical Use: The device is not intended for surgical use and should not be connected to any patient or human body for testing
Standard Compliance: Fully complies with the relevant sections of IEC 60601-2-2:2017 and GB 9706.202-2021, ensuring that the test results are consistent with those obtained from volunteer testing
Certifications: The device is certified to ISO 9001 standards, ensuring quality and reliability

Neutral Electrode Temperature - rise Tester