Product Introduction: The protective gloves contact cold test device according to GBT 38304 hand protection cold gloves test standard design, production, can test the gloves in contact with the temperature drop in the case of the value so as to calculate the glove thermal resistance. It is mainly used to evaluate the ability of gloves to resist hand heat loss and simulate the performance of gloves against low-temperature injuries in low-temperature environments!
Model Type:FTech-EN 511B Standard:GBT 38304-2019, Hand protection, cold-weather gloves EN 511 Specification: Structural features:
The test device consists of test device, test box and control system;
2. The test box is made of stainless steel; beautiful and corrosion-resistant; 3. The device is independent one-piece design, beautiful, easy to operate; 4. Equipped with a large observation window, monitoring the test samples; 5. The test device is made of stainless steel; beautiful and corrosion-resistant; 6. Heating disc is low carbon steel disc, φ330mm; 7. Heat-insulating disc, thermal resistance of 0.075m2 - ºC / W ~ 0.125m2 - ºC / W, diameter 330mm; 8. Cold plate made of heat-insulating material, diameter 330mm; 9. The test box is equipped with universal wheels, which can be moved freely; Heating system:
The heating system consists of mild steel disc, ring heater, temperature control meter, solid state relay and temperature sensor;
Mild steel disc after annealing treatment, smooth and flat surface, good stability, diameter 330mm, thickness of about 6mm;
Ring heater for the size of the two heating ring composition, power were 75W and 125W, connected in parallel under the mild steel disc;
Temperature sensor for the diameter of 0.20-0.315mm copper -constant copper thermocouple, accuracy of not less than 0.01 ºC;
Pressure testing system: 1. The pressure test system consists of pressure plate, counterweight block, pressure sensor; 2. Pressure plate made of stainless steel, diameter 330mm, beautiful and corrosion resistant; 3. Pressure sensor, range 0-10kpa, accuracy ± 0.1kpa;
Wind speed control system:
Wind speed control system consists of fan, air duct, frequency converter, anemometer;
The air duct is made of stainless steel, beautiful appearance and corrosion-resistant;
Equipped with frequency converter, automatic control of air flow rate in the test box 0.25-0.1m/s;
Equipped with imported anemometers, test test box air flow rate;
Anemometer range 0-2m/s, precision 0.1m/s;
Temperature acquisition system:
Temperature control system consists of temperature sensors, PLC acquisition module, computer software;
Temperature sensor for the diameter of 0.20-0.315mm copper -constant copper thermocouple, accuracy of not less than 0.01 ºC;
PLC acquisition module for a collection of one-piece module composition, acquisition accuracy of 0.1 ºC, acquisition cycle of 0.1 seconds;
Computer software for Labview intelligent software, continuous recording and display of real-time temperature curve, and can save temperature data;
Electrical control system:
PLC + computer control system; to achieve the test more intelligent; test data automatic recording, automatic storage;
The upper computer through the RS485 interface communication module and programmable controller communication links, data transmission and action control;
Automatic heating system, PID temperature control module and SSR module for linking, through the programmable controller control for temperature regulation;
Wind speed control system signal acquisition and processing module and wind speed control module for linking, through the programmable controller logic calculation output, intelligent adjustment of the preset wind speed; mechanical rotation module and programmable controller I / O port for linking, control of the closing state of the rotation mechanism;
Temperature control module and programmable controller communication link, to achieve the temperature when the collection, processing, computing;
Software system: 1. The experimental instrument dedicated Labwiew control system, friendly interface, easy to operate, precise control; can display the status of the instrument; collection of test data; calculation of test results; according to the standard requirements of the way to display the results; multiple tests to take the average value;
Computer software can continuously record and display the real-time temperature curve, the software can be stored or printed into a table (graph) after automatic calculation and processing. Software can be automatically controlled by the temperature curve programme, and record the box temperature, wind speed, sample temperature and other data;
The software provides query function, the system for the test samples will automatically be its number and temperature curve, data stored in the system database; and can be based on the number of the sample being tested, test date and other queries;
The test time can be set freely in the software to meet more testing needs;
Software can automatically generate the test report and print out the report;
Test data and reports can be freely queried in the software.
Technical parameters:
Electric heater for the ring heater, the power is 75W, 125W;
Insulated disc, thermal resistance of 0.075m2 - ºC / W ~ 0.125m2 - ºC / W, diameter 330mm;
Temperature sensor for the diameter of 0.20-0.315mm copper-Constantan thermocouple, accuracy of not less than 0.01 ºC, the
Sample size: φ330mm;
System control temperature range 31-35ºC;
Equipped with pressure sensor, monitoring pressure 6.9kpa;
Air flow rate in the test box 0.25-0.1m/s;
Timer timing range 9999s, timing accuracy 0.1s.
Equipment specifications:
Power 220V 50/60Hz, power 5000w;
Equipped with one piece of heat insulation disc;
Equipped with a piece of cold plate;
Equipped with a power cord;
Product certificate and one manual;
Equipped with a laptop computer;
Equipped with a data line;
The equipment covers an area of 2200 * 600 * 1800mm.