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{"title":"Miniature flameproof catalytic gas sensor heads Amphenol VQ546M optimized for","imgUrl":"https:\/\/img.chinax.com\/nimg\/88\/46\/e0aa10d6d8540085487cc144f7b2-200x200-1\/miniature_flameproof_catalytic_gas_sensor_heads_amphenol_vq546m_optimized_for.jpg","attrs":{"Operating Temperature":"-40\u2103~+55\u2103","Description":"Gas Sensor RoHS","Mfr. Part #":"VQ546M","Model Number":"VQ546M"}}
{"title":"Precision RF connector cable HJ Tech HJ-1.13-SMA-IPEX1-135mm compatible with","imgUrl":"https:\/\/img.chinax.com\/nimg\/cb\/37\/e283eef44a10b7a2f95185b865af-200x200-1\/precision_rf_connector_cable_hj_tech_hj_1_13_sma_ipex1_135mm_compatible_with_various_wireless_devices.jpg","attrs":{"Operating Temperature":"-","Line Length":"13.5cm","IPEX Algebra":"Gen 1","Description":"13.5cm Gen 1 Gas Sensor RoHS"}}
{"title":"Gold finished RF cable assembly HJ Tech HJ-IPEX1-SMA-RG1.32-138mm for stable","imgUrl":"https:\/\/img.chinax.com\/nimg\/14\/13\/d06694202f888aaebd3285092ba9-200x200-1\/gold_finished_rf_cable_assembly_hj_tech_hj_ipex1_sma_rg1_32_138mm_for_stable_electrical_performance.jpg","attrs":{"Operating Temperature":"-30\u2103~+70\u2103","Input\/Output":"IPEX to SMA","IPEX Algebra":"Gen 1","Description":"IPEX to SMA Gen 1 Gas Sensor RoHS"}}
{"title":"Digital particle concentration sensor Adafruit Industries 4505 for accurate air","imgUrl":"https:\/\/img.chinax.com\/nimg\/b6\/65\/9036efe4cc3c227e5852b7d4d12a-200x200-1\/digital_particle_concentration_sensor_adafruit_industries_4505_for_accurate_air_monitoring_solutions.jpg","attrs":{"Operating Temperature":"-10\u2103~+60\u2103","Description":"Gas Sensor RoHS","Mfr. Part #":"4505","Model Number":"4505"}}
{"title":"HJ Tech HJ IPEX1 SMA RG1 13 65mm cable engineered for performance in process","imgUrl":"https:\/\/img.chinax.com\/nimg\/67\/d5\/32ac8c3aae346524787cf61b8c25-200x200-1\/hj_tech_hj_ipex1_sma_rg1_13_65mm_cable_engineered_for_performance_in_process_monitoring_and_control.jpg","attrs":{"Line Length":"6.5cm","Description":"6.5cm Gas Sensor RoHS","Mfr. Part #":"HJ-IPEX1-SMA-RG1.13-65mm","Model Number":"HJ-IPEX1-SMA-RG1.13-65mm"}}
{"title":"TVOC sensor unit AIRWAT AW-TVOC-200 featuring low noise digital data output for","imgUrl":"https:\/\/img.chinax.com\/nimg\/a8\/80\/736366b21d2c030d05772dfbaa59-200x200-1\/tvoc_sensor_unit_airwat_aw_tvoc_200_featuring_low_noise_digital_data_output_for_smart_home_and_industrial_safety.jpg","attrs":{"Description":"Gas Sensor RoHS","Mfr. Part #":"AW-TVOC-200","Model Number":"AW-TVOC-200"}}
{"title":"Connector HRS HRMP-ML51LP-DTR178-350RS designed to meet reliability standards in","imgUrl":"https:\/\/img.chinax.com\/nimg\/77\/b7\/89700434c7477cf069406458f76f-200x200-1\/connector_hrs_hrmp_ml51lp_dtr178_350rs_designed_to_meet_reliability_standards_in_automotive_devices.jpg","attrs":{"Line Length":"35cm","Input\/Output":"-","IPEX Algebra":"-","Description":"35cm Gas Sensor RoHS"}}
The VQ500 Series is a range of miniature, fully certified, flameproof catalytic combustible gas sensor heads. Optimized for low power consumption, these sensors utilize a pellistor pair for detecting combustible gases and % volume gases via thermal conductivity. With an outline identical to modern miniature electrochemical cells, they are ideal for portable instruments. The series offers sensors capable of detecting most combustible gases, vapors, and ammonia at LEL levels, as well as gases with thermal conductivities different from air at % volume concentrations. Variants are available with enhanced stability and temperature performance testing for mining compliance. The sensors are poison-resistant to silicones and hydrogen sulfide, shock-resistant, and certified for hazardous environments.
Product Attributes
Brand: SGX Sensortech
Series: VQ500 Series
Certifications: ATEX, IECEx, CSA, UL recognised
Body Material: Stainless Steel
Poison Resistance: Silicones and Hydrogen Sulfide
Operating Principle: Catalytic oxidation and thermal conductivity
Certifications: ATEX (II 2G Ex db IIC Gb, I M2 Ex db I Mb), IECEx (Ex db IIC Gb, Ex db I Mb), CSA (Component certification for Explosion Proof Enclosure Class I hazardous locations, UL 1203), UL (Component for intrinsically safe apparatus Class 1, Division 1, Groups A, B, C, D)
Technical Specifications
Specification
Details
Mechanical Dimensions
See outline, page 3
Body Material
Stainless Steel
Weight
22g
Environmental Temperature Range (Operation & Storage)
-40 to +55 C
Environmental Humidity Range (Operation & Storage)
0 to 80% (non-condensing)
Electrical Supply Voltage
3.00 V to 4.25 V (Depending upon type)
Electrical Supply Power
135 mW to 230 mW (Depending upon type)
Performance Linearity (Catalytic)
Linear up 60% LEL
Performance Linearity (Thermal Conductivity)
Refer to Pellistor Application Note 5
Response Time (T90)
< 20 seconds
Long Term Zero Drift (ZD-S Variants)
<5% LEL / month (based upon a 1 month period)
Long Term Zero Drift (All other Types)
<5% LEL / month (based upon a 12 month period)
Long Term Sensitivity Drift (ZD-S Variants)
<5% Full-Scale / month (based upon a 1 month period)
Long Term Sensitivity Drift (All other Types)
<5% Full-Scale / month (based upon a 12 month period)
Zero Offset with Temperature (ZD/W Variant Only)
0.2% methane variation between -10C to +40C (compared to 20C reading)
Warranty Period
12 months
Maximum Gas Concentrations (VQ546M, VQ546MR)
100% v/v
Maximum Gas Concentrations (VQ547TS, VQ548, VQ549)
100% LEL
Product Variants
VQ546M
4.25 0.1 V, 5060 mA, -4.0 (1% Methane) 15 mV, Not Required, A, No, No
VQ546MR
4.25 0.1 V, 5060 mA, +4.0 (1% Methane) 15 mV, Not Required, A, No, No
VQ547TS
3.0 0.1 V, 4050 mA, 21 (1.5% Ammonia) 30 mV, Some, A, No, No
VQ548ZD
3.0 0.1 V, 6780 mA, 20 (1% Methane) 20 mV, Silicones & H2S, B, No, No
II 2G Ex db IIC Gb, I M2 Ex db I Mb Ta -40C to +55C, Pi: 2.5 W
Product Marking (IECEx)
Ex db IIC Gb, Ex db I Mb Ta -40C to +55C, Pi: 2.5 W
Hazardous Area Installation Instructions
Component approved only, requires further protection. Use with intrinsically safe supply (max Po 2.5 W). Max temperature rise on external surface 64 C. For Group I applications, withstand impact energy > 7 J. Not assessed as a safety device. No user-serviceable parts. Ambient temperature range: -40C to +55C.
Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture.
Founded in 2009, Our compa... Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture.
Founded in 2009, Our compa...
