High Temperature High Humidity Test Equipment FOr Combustible Gas Detectors

1. Scope of application:

1.1 Suitable for industrial and commercial use flammable gas detectors, home combatant gas detectors, industrial and commercial use portable combustible gas detectors, household and small catering kitchen gas alarm and sensor, household gas alarm, the functional tests of the sensor, and functional tests at high, low temperature, damp heat environment;

1.2 The detection items of the combustible gas detector are as follows:

1.2.1 Alarm operating value test

1.2.2 range indicator deviation test

1.2.3 Response time test

1.2.4 position test

1.2.5 Alarm Repeated Test

1.2.6 Alarm test during the preheating period

1.2.7 high-speed air current test

1.2.8 Sampling airflow changes test (only applicable to aspirated samples)

1.2.9 Detector swap performance test (only applicable to system samples)

1.2.10 battery capacity test

1.2.11 Voltage fluctuation test

1.2.12 High temperature (run) test

1.2.13 Low temperature (run) test

1.2.14 Constant damp heat (run) test

1.2.15 Anti-gas interference performance test (not suitable for samples below 3%Lel)

1.2.16 Anti-poisoning performance test

1.2.17 Anti-high concentration gas impact performance test

1.2.18 Low concentration operation test

1.2.19 Long-term stability test

1.2.20 Explosion-proof performance test

1.2.21 Low concentration of carbon dioxide response performance test (only suitable for detecting carbon monoxide samples)

2. The main advantages of the instrument:

2.1 Function: This test box is a comprehensive test box, and the detection items are complete. The total test project is 21 projects;

2.2 Simple operation and high degree of intelligence, simplify complex procedures, provides accuracy and convenience;

2.3 Configure the matching box, you can perform some tests outside the box;

2.4 Using quality flowmeter+program design, the mixed gas is very convenient and fast;

2.5 Used for multifunctional comprehensive inspection in the laboratory and strong functionality. The inspection items comprehensively covered the inspection items required for the GB15322.1 ~ 3-2019 standard;

2.6 For enterprise units, a special test box has been developed separately, which can save equipment procurement costs and space;

2.7 It has the following test sector:

2.7.1 General functional testing: alarm operating value test, range indicator deviation test, orientation test, alarm repetitive test, alarm test, alarm repetitive test, preheating period alarm test, sampling air flow change test (only suitable for aspirated samples), detector switching performance test (only applicable to system samples), battery capacity test, voltage capacity test, low concentration operation test, long-term stability test, etc. carbon monoxide concentration response performance test (only suitable for detecting carbon monoxide samples);

2.7.2 Environmental operation test: high temperature (operation) test, low temperature (operation) test, constant humidity and heat (running) test;

2.7.3 Anti-gas interference performance test: anti-gas interference performance test (not suitable for the measurement range below 3%Lel);

2.7.4 Anti-poisoning performance test;

2.7.5 flow control input test: resistance of high concentration gas impact performance test, response time test;

2.7.6 Explosion performance test: performed in the explosion-barrier test box;

3. Meet the standard:

3.1 Conforms to GB15322.1-2019 Section 5.3, GB15322.2-2019 Section 4.3, GB15322.3-2019 Section 5.3 "Alarm operating value test";

3.2 Compliance with GB15322.1-2019 Section 5.4, GB15322.2-2019 Section 4.4, GB15322.3-2019 Section 5.4 "Range indicator deviation test";

3.3 Conform to GB15322.1-2019 Section 5.5, GB15322.2-2019 Section 4.5, GB15322.3-2019 Section 5.5 "Response time test";

3.4 Conforms to GB15322.1-2019 Section 5.6, GB15322.2-2019 Section 4.6, GB15322.3-2019 Section 5.6 "Position test";

3.5 Conforms to GB15322.1-2019 Section 5.7, GB15322.2-2019 Section 4.7, GB15322.3-2019 Section 5.7 "Alarm Repeated Test";

3.6 In line with GB15322.2-2019 Section 4.8 "Alarm Test During the Preherent Rebellion":

3.7 Conforms to GB15322.1-2019 Section 5.8, GB15322.3-2019 Section 5.8 "High-speed airflow test";

3.8 Compliance with GB15322.1-2019 Section 5.9 "Sample airflow changes (only applicable to aspirated samples)";

3.9 Compliance with GB15322.1-2019 Section 5.11 "Detector swap performance test (only applicable to system samples)";

3.10 Conforms to GB15322.2-2019 Section 4.11, GB15322.3-2019 Section 5.9 "Battery capacity test";

3.11 Conforms to GB15322.1-2019 Section 5.12, GB15322.2-2019 Section 4.10 "Voltage fluctuation test";

3.12 Conforms to GB15322.1-2019 Section 5.20, GB15322.2-2019 Section 4.19, GB15322.3-2019 Section 5.12 "High temperature (run) test";

3.13 Conforms to GB15322.1-2019 Section 5.21, GB15322.2-2019 Section 4.20, GB15322.3-2019 Section 5.13 "Low temperature (run) test";

3.14 Conforms to GB15322.1-2019 Section 5.22, GB15322.2-2019 Section 4.21, GB15322.3-2019 Section 5.14 "Constant damp heat (Run) Test";

3.15 Conforms to GB15322.1-2019 Section 5.26 "Anti-gas interference performance test (not suitable for samples with a measurement range below 3%Lel)";

3.16 Conforms to GB15322.1-2019 Section 5.27, GB15322.2-2019 Section 4.26, GB15322.3-2019 Section 5.18 "Anti-poisoning performance test";

3.17 Conforms to GB15322.1-2019 Section 5.28, GB15322.3-2019 Section 5.19 "Anti-high concentration gas impact performance test";

3.18 Conforms to GB15322.1-2019 Section 5.29, GB15322.2-2019 Section 4.27, GB15322.3-2019 Section 5.20 "Low concentration operation test";

3.19 Conforms to GB15322.1-2019 Section 5.30, GB15322.2-2019 Section 4.28 "Long-term stability test";

3.20 Conforms to GB15322.2-2019 Section 4.9 "Explosion-proof performance test";

3.21 Compliance with GB/T34004-2017 "Domestic and small-scale catering kitchen combustible gas alarms and sensor" Section 5.3.2.3.4 "Alarm Concentration Test", Section 5.3.2.3.5 "Response Time Test", 5.3.2.3.6.66.6 Section "Anti -Interference Gas Performance Test", 5.3.2.3.7 "Selected Performance Test", 5.3.2.3.9 "Power Voltage Volatility Test (except the alarm using the battery), 5.3.2.3.17" High temperature resistance test ", 5.3.2.3.18" "low temperature resistance test", 5.3.2.3.19 "" resistance to constant dampness and heat performance test ", 5.3.2.3.20" ability resistance impact performance test ", 5.3.2.3 Section "Silicon-resistant poisoning performance test (except the alarm using electrochemical sensors), 5.3.2.3.22" Long-term stability performance test ", 5.3.2.3.23" Performance Test of Placement Placement ", 5.3.2.3 Section of "High Concentration Gas Resistance Performance Test", 5.3.2.3.28 "Stop Function Test", 5.3.2.3.31 "Alarm Operating Test at low voltage";

3.22 Compliance with CJ/T347-2010 "Home Gas Alarm and Sensor" Section 4.3.6 "Alarm Concentration Test", Section 4.3.7 "Response Time Test", Section 4.3.8 "Anti-Interference Gas Performance Test", 4.3. Section 10 "Power-resistant voltage fluctuation performance test", section 4.3.11 "environmental performance test", section 4.3.12 "gas resistance test test", section 4.3.13 "silicon resistance performance test (using electrochemical sensor alarm using electrochemical sensors Except for device), Section 4.3.14 "Long -term Stability Performance Test", section 4.3.15 "Performance Test of Placement Placement Placement", Section 4.3.18 "High -concentration Gas Durability Performance Test", and section 4.3.19 "Voice Function Test";

3.24 Conforms to GB16808 "Alarm Controller of Alarm" Section 5.2 "Functional Test of the Functional Display Functional Display Function", "Functional Examination of Alarm Function", 5.4 "Fault Alarm Function Test", 5.5 "Self -Check function test", Section 5.17 "Low temperature (operation) test" and 5.18 "constant damp heat (running) test".

4. Performance parameters:

4.1 Instrument composition: Consciously closed-loop wind caves, vortex machines, motors, diversion boards, rectifier grids, windows, exhaust valves, evaporators, heater, flawed gas detector test racks, combustible gas entrances, gas analyzers, temperature, temperature humidity measuring instrument, wind speed meter, and humidification door;

4.2 Test box body:

4.2.1 It is a closed-loop box with a standard closed-loop airway type. The thermal insulation layer is 150mm. The inner wall of the box is USU304#stainless steel plate, 1.5mm thick, the inner room size is 400mm*400mm, and the specification of the test area is 400mm* 400mm*400mm;

4.2.2 There are two specifications of products, ordering and quotation are different;

4.2.3 Enterprise version: For production enterprises for product detection, the function is relatively single. Single -layer structure, no thermal insulation layer, the content of the wind tunnel is 0.5m³; the external size is 2500mm in length, 1200mm wide, and 2000mm high.

4.2.4 Laboratory version: For laboratory detection of different gas detectors, complicated functions, and many detection items. The content of the wind tunnel is 1.1m³; the size and specifications are 4750mmm, 1500mm wide, and 2350mm high;

4.3 Ventures: Wind speed range 0m/s ~ 6.5m/s continuously adjustable;

4.4 wind speed meter: measurement range 0.2m/s ~ 10m/s, measurement error±5%, resolution≤0.1m/s;

4.5 High and low temperature test and constant humidity and heat test:

4.5.1 Temperature range: -40℃～75℃;

4.5.2 Temperature volatility: 0.5℃;

4.5.3 Temperature deviation: ≤2℃;

4.5.4 humidity deviation: ≤3%;

4.5.5 High temperature (run) test:

4.5.5.1 Heating rate: ≤1 ℃/min (air -loaded non -linear);

4.5.5.2 Box internal air flow rate stable: 0.8m/s ± 0.2m/s;

4.5.6 High temperature (run) test:

4.5.6.1 Cooling rate: ≤1℃/min (non -linear);

4.5.6.2 Box internal air flow rate stable: 0.8m/s±0.2m/s;

4.5.7 Constant damp heat (running) test:

4.5.7.1 Heating rate: ≤1℃/min (air -loaded non -linear);

4.5.7.2 Moisturizing rate: ≤5%/min (empty load non -linear);

4.5.8 Compressor: French imported full-secret dual compressor;

4.5.9 Refrigerator: Environmental Refrments R404A;

4.5.10 condenser: fins with sorer motor;

4.5.11 Evapoor: Multi-segment automatic load capacity adjustment;

4.5.12 Insulation Material: Hard Polyurethan foam and glass wool;

4.5.13 Wicing circulation system: adopt a multi-wing fan blades (Sircco Fan);

4.5.14 Control system:

4.5.14.1 Original import, the entire Chinese LCD 7-inch display LCD touch panel, the screen conversation input data, the temperature and humidity can be controlled, the curve display, the set value/display value curve. Support the U disk direct export temperature record data, which can display a variety of alarms separately. When the failure occurs, the failure can be displayed through the screen to eliminate the failure and eliminate the error operation. Multiple sets of PID control functions, precision monitoring functions, and displayed on the screen in the form of data.

4.5.14.2 Controller specifications:

a. Accuracy: Temperature ± 0.1℃ + 1 digit;

b. Resolution: temperature ± 0.01;

c. It has the upper and lower limit standby and alarm function

d. Select the temperature in the force to select PT 100Ω × 2 (dry ball and wet ball)

e. Temperature transformation contribution: 4~20mA

F.6 group P.I.D control parameter settings, P.I.D automatic calculations;

4.5.14.3 Screen display function:

a. Touch input, screen display options directly on the screen

b. Temperature settings (SV) and actual (PV) value directly display (English represented)

c. It can display the current execution program number, paragraph, time, and the number of cycles

d. Cumulative time function

e. The setting value of the temperature program is displayed in the graphic curve, with real-time display program curve execution function

f. With separate program editing screens, enter the temperature and time directly

4.5.14.4 Program capacity and control function:

a. Avable program group: maximum 50 groups

b. Available memory capacity: 5000 segments in total

c. The command can be repeatedly executed: each command can reach 9999 times

d. The production of procedures and adopting talks, with functions such as editing, removing, inserting

e.Segments Time setting 0~530 hour 59min

f. With a power-off program memory, automatically start and continue the program function after re-powering (can be stored for more than 10 years)

g. The graphic curve can be displayed in real time when the program is executed

h. Have date, time adjustment function

i. Key and screen lock (Lock) function

4.6 Carcan gas testing:

4.6.1 methane (CH4), propane (C3H8), carbon monoxide (CO) infrared analyzer: (can be changed according to customer requirements)

4.6.2 Methane (CH4) range: 0 ~ 5%;

4.6.3 Poane (C3H8) range: 0 ~ 5%;

4.6.4 Carbon monoxide (CO) range: 0 ~ 1000ppm;

4.6.5 Resolution: 0.01%, 1ppm;

4.6.6 accuracy: ≤ ± 2%fs;

4.6.7 Repeatability: ≤ ± 1%;

4.7 Anti-gas interference performance test (not suitable for samples with a measurement range below 3%Lel)

4.7.1 Standardized gas ratio concentration is (6000 ± 200)*10-6 (volume score); see Figure 5

4.7.2 Standardized gas ratio concentration is (2000 ± 200)*10-6 (volume score); see Figure 6

4.8 Anti -poisoning performance test:

4.8.1 Carbon monoxide (CO) standard gas ratio concentration is 9.99*10-6, see Figure 7

4.8.2 The standard gas concentration of the standard gas of the Six-based silicon ether vapor is (10 ± 3)*10-6 see Figure 8

4.8.3 Standard hydrogen sulfide gas gas

4.8.4 Box Box: Applicable to mixed gas ratio. Use a fan stirring; see Figure 10

4.9 Response time test: pass the flow of 500L/min; see Figure 11

4.10 Anti -high concentration gas impact performance test; see Figure 11

4.11 Explosion -proof performance test: conduct in the independent explosion test box;

4.12 Hybrid gas ratio: Use vacuum pump+quality flowmeter+program control;

4.13 Control System: Use PLC+Capture Card+touch screen control;

5. Device use conditions

5.1 Use space:

5.1.1 Total space: 6 meters long, 4.55 meters wide (including operation, ratio space), and 3 meters high;

5.1.2 Main box: 4750mm in length, 95mm wide, 2350mm high

5.1.3 Control box: 700mm in length, 830mm wide, 1900mm high

5.5.4 Refrigeration box: 1000mm in length, 800mm, high 1150mm;

5.2 Total power: AC380V, three boxes and five -line system, 35kW

5.3 Total weight: about 4 tons;

5.4 There is a large space with ventilation and ventilation;

5.5 Environmental temperature: 5~35 ℃;

5.6 Environmental humidity: ≤85%R.H;

5.7 The independent power control cabinet needs to be configured on the spot;

5.8 On-site must be connected to the tap water pipe.