-
E-mail
yiyuntiant@163.com
- Phone
-
Address
No. 2, 7th Floor, Building 10, Rundongsheng Industrial Park, Xixiang Street, Bao'an, Shenzhen
Shenzhen Yiyuntian Electronics Co., Ltd
yiyuntiant@163.com
No. 2, 7th Floor, Building 10, Rundongsheng Industrial Park, Xixiang Street, Bao'an, Shenzhen
Portable four in one gas detectorMS104K-MFeatures:
★ Can simultaneously detect 1-4 gases;
★ Diffuse/pump suction measurement, external pump and instrument are connected as an embedded integrated type, with adjustable flow rate;
★ Pump blockage alarm;
★ Fire prevention, anti-static, and high-frequency radiation resistance;
★ Charging method: landline charging, TYPE-C fast charging interface;
★ Unit switching, units available: umol/mol, ppm, mg/m3,% Vol,% LEL;
★ 4 buttons for convenient operation;
★ Large capacity data storage function, with a storage capacity of over 200000 pieces of data;
★ Communication interface: TYPE-C;
★ Wireless transmission (optional): LORA, Bluetooth (can connect to external Bluetooth printers, mobile terminals, etc.) NB-IOT;
★ Support SOS one click emergency call function (optional);
★ Fall alarm;
★ Data recovery function, which can partially or completely restore factory data;
★ Can display maximum, minimum, and weighted average values;
★ Multiple alarm modes and alarm mode settings, with multi-directional three-dimensional indication of alarm status during alarm;
Alarm methods: sound and light alarm, vibration alarm;
Alarm types: concentration alarm, undervoltage alarm, fault alarm, pump blockage alarm;
Alarm modes: low alarm, high alarm, interval alarm, weighted average alarm;
★ Misoperation recognition function, automatic identification and prevention of concentration calibration misoperation;
★ Zero point automatic tracking to avoid zero drift;
★ Multi level calibration of target points to ensure measurement linearity and accuracy;
★ Intrinsic safety circuit design, explosion-proof and shockproof;
★ Protection level IP68, rain and immersion proof, dust proof, and anti-corrosion;
★ Execution standards:
GBT 3836.1-2021 General Requirements for Electrical Equipment Used in Explosive Gas Environments
GBT 3836.4-2021 "Inherent Safety Type 'i' of Electrical Equipment for Explosive Gas Environments"
GB T50493-2019 "Design Standard for Combustible Gas and Toxic Gas Detection and Alarm in Petrochemical Industry"
GB 15322.3-2019 "Combustible Gas Detectors Part 3: Portable Combustible Gas Detectors for Industrial and Commercial Use"

Portable four in one gas detectorMS104K-MTechnical Specifications:
Detection factor |
1-4 typesgas(Carbon monoxide CO, hydrogen sulfide H2S, oxygen O2, combustible gas Ex, carbon dioxide CO2VOCEtc.), Based on the on-site environment and user needs |
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Testing Scope |
Based on the on-site environment and user needs |
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resolution |
0.001ppm (0-10ppm high-precision)/0.01ppm (0-10ppm); 0.01ppm (0-100ppm), 0.1ppm (0-1000ppm), 1ppm (0-5000ppm or above); 0.1%LEL; 0.01%Vol |
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Unit display |
Optional units:umol/mol、ppm、mg/m3、%Vol、%LEL |
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Detection Principle |
Electrochemical, catalytic combustion, infrared, thermal conductivity, semiconductor, PID lightcallThe distance is determined based on the range, on-site environment, and user requirements |
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Sensor lifespan |
Electrochemical 2-3 years, catalytic combustion 2-3 years, infrared 5 years-10Year, thermal conductivity 2-5 years, PID2-3 years |
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Detection method |
diffusionformula/Pump suction,Standard configuration: external pump |
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display mode |
2寸LCD |
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Display content |
Real time concentrationUnit, gas namecall the policestatusTime, storagecommunication status, battery level, charging status, etc |
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detection accuracy |
Typical accuracy: ≤±3% FS(Optional higher precision sensors) |
uncertainty |
≤±2% |
Linearity |
≤±3% |
Repeatability |
≤±2% |
response time |
T90≤20 seconds(General) |
recovery time |
≤30 seconds(General) |
working power supply |
DC7.4V |
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battery capacity |
7.4V,1400mAhRechargeable polymer batteries,haveOvercharge, overdischarge, overvoltage, short circuit, and overheating protection functions |
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working hours |
Over 100 hours (diffusion type, non catalytic sensor) |
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Alarm Volume |
Greater than 90dB |
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Usage environment |
temperature:-20℃~+50℃,customizable-40℃~+70℃;Relative humidity: 10-95% RH |
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communication interface |
standardType-C Fastcharge(desktop charger)And communication,Standard charging base (fully charged in 2 hours) |
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data storage |
standard capacity20 million pieces; Support local viewing, deletion, or data export, with arbitrary storage time interval settings |
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Interface language |
Chinese or English is acceptableselect, default Chinese interface |
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Explosion proof type |
Essentially Safe Exia Ⅱ CT4Ga |
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Protection level |
IP68 |
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Shell material |
High strength and corrosion resistanceFireproof polycarbonate,Overall rubber coating, anti drop, wear-resistant, anti-static, withEffective anti fall height ≥ 5 meters |
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Overall dimensions |
90×70×38mm(L×W×H) |
Weight |
About 380g |
Standard Appendix |
Instruction manual, certificate of conformity, USB charger (including data cable)Seat charger baseInstrument box、External pump (calibration cover), 1 filter. |
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Optional features |
① Temperature detection: -40 ℃~+70 ℃ with an accuracy of 0.5 ℃; Humidity detection: 0-100% RH accuracy 3% RH ② Wireless data transmission:LORA、Bluetooth,SOS One Click Call for Help,NB-IOT ③ External miniature wireless Bluetooth printer. |
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Optional accessories |
①Multiple filters ② 0.4-meter stainless steel sampling handle (including 1-meter hose) |
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★Manufacturer Qualification |
Enterprise Credit Certificate AAAcountryHigh tech Enterprise CertificateSpecialized and innovative small and micro enterprisesISO45001 Occupational Health and Safety Management System Certification, ISO9001 Quality Management System Certification, IS014001 Environmental Management System Certificationwait |
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★Product Certification |
Certificate of Approval for Measuring Instrument Form CPA, Explosion proof Certificate, Computer Software Copyright Registration Certificatewait |
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Common gas appendix (other ranges and corresponding resolutions can be customized):
Gas detection |
range |
resolution |
Gas detection |
range |
resolution |
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VOCs(VOC) |
020ppm |
0.01ppm |
Hydrogen cyanide (HCN) |
0-100ppm |
0.01ppm |
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VOCs(VOC) |
0200ppm |
0.1ppm |
Hydrogen chloride (HCL) |
0-20ppm |
0.01ppm |
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VOCs(VOC) |
02000ppm |
1ppm |
Hydrogen chloride (HCL) |
0-200ppm |
0.1ppm |
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VOCs(VOC) |
010000ppm |
1ppm |
Phosphine (PH)3) |
0-5 ppm |
0.001ppm |
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Combustible gas (EX) |
0-1000ppm |
1ppm |
Phosphine (PH)3) |
0-20 ppm |
0.01ppm |
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Combustible gas (EX) |
0-100%LEL |
0.1%LEL |
Phosphine (PH)3) |
0-2000 ppm |
1ppm |
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Combustible gas (EX) |
0-100%VOL |
0.01%VOL |
Chlorine dioxide (CLO)2) |
0-1ppm |
0.001ppm |
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Methane (CH)4) |
0-100%LEL |
0.1%LEL |
Chlorine dioxide (CLO)2) |
0-10ppm |
0.01ppm |
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Methane (CH)4) |
0-100%VOL |
0.01%VOL |
Chlorine dioxide (CLO)2) |
0-100ppm |
0.01ppm |
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Oxygen (O)2) |
0-30%VOL |
0.01%VOL |
Ethylene oxide (ETO) |
0-100ppm |
0.01ppm |
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Oxygen (O)2) |
0-100%VOL |
0.01%VOL |
Ethylene oxide (ETO) |
0-1000ppm |
0.1ppm |
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Carbon monoxide (CO) |
0100ppm |
0.01ppm |
Ethylene oxide (ETO) |
0-100%LEL |
0.1%LEL |
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Carbon monoxide (CO) |
01000ppm |
0.1ppm |
Phosgene (COCL)2) |
0-1ppm |
0.001ppm |
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Carbon monoxide (CO) |
02000ppm |
1ppm |
Phosgene (COCL)2) |
0-10ppm |
0.01ppm |
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Carbon monoxide (CO) |
0-5000ppm |
1ppm |
Silane (SiH)4) |
0-1ppm |
0.001ppm |
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Carbon monoxide (CO) |
0-10000ppm |
1ppm |
Silane (SiH)4) |
0-50ppm |
0.01ppm |
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Carbon dioxide (CO)2) |
0-5000ppm |
1ppm |
Fluorine gas (F2) |
0-1ppm |
0.001ppm |
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Carbon dioxide (CO)2) |
0-50000ppm |
1ppm |
Fluorine gas (F2) |
0-10ppm |
0.001ppm |
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Carbon dioxide (CO)2) |
0-5%VOL |
0.01%VOL |
Fluorine gas (F2) |
0-100ppm |
0.01ppm |
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Carbon dioxide (CO)2) |
0-20%VOL |
0.01%VOL |
Hydrogen fluoride (HF) |
0-10ppm |
0.01ppm |
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Carbon dioxide (CO)2) |
0-100%VOL |
0.01%VOL |
Hydrogen fluoride (HF) |
0-50ppm |
0.01ppm |
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Formaldehyde (CH)2O) |
0-10ppm |
0.01ppm |
Hydrogen Bromide (HBr) |
0-50ppm |
0.01ppm |
|
Formaldehyde (CH)2O) |
0-50ppm |
0.01ppm |
(B2H6) |
0-10ppm |
0.001ppm |
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Formaldehyde (CH)2O) |
0-100ppm |
0.01ppm |
Arsine (AsH)3) |
0-1ppm |
0.001ppm |
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Formaldehyde (CH)2O) |
0-1000ppm |
1ppm |
Arsine (AsH)3) |
0-10ppm |
0.001ppm |
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Ozone (O)3) |
0-1ppm |
0.001ppm |
Germane (GeH)4) |
01ppm |
0.001ppm |
|
Ozone (O)3) |
0-10ppm |
0.01ppm |
Germane (GeH)4) |
010ppm |
0.001ppm |
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Ozone (O)3) |
0-100ppm |
0.01ppm |
Germane (GeH)4) |
050ppm |
0.01ppm |
|
Ozone (O)3) |
0-2000ppm |
1ppm |
Hydrazine, hydrazine (N2H4) |
0-1ppm |
0.001ppm |
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Hydrogen sulfide (H)2S) |
0-10ppm |
0.01ppm |
Hydrazine, hydrazine (N2H4) |
0-300ppm |
0.1ppm |
|
Hydrogen sulfide (H)2S) |
0-100ppm |
0.01ppm |
Tetrahydrophene (THT) |
0-50mg/m3 |
0.01 mg/m3 |
|
Hydrogen sulfide (H)2S) |
0-500ppm |
0.1ppm |
Bromine gas (Br)2) |
0-10ppm |
0.01ppm |
|
Hydrogen sulfide (H)2S) |
0-2000ppm |
1ppm |
Bromine gas (Br)2) |
0-50ppm |
0.01ppm |
|
Sulfur dioxide (SO)2) |
020ppm |
0.01ppm |
Acetylene (C)2H2) |
0-100%LEL |
0.1%LEL |
|
Sulfur dioxide (SO)2) |
0100ppm |
0.01ppm |
Acetylene (C)2H2) |
0-100ppm |
0.1ppm |
|
Sulfur dioxide (SO)2) |
01000ppm |
0.1ppm |
Acetylene (C)2H2) |
0-1000ppm |
1ppm |
|
Sulfur dioxide (SO)2) |
0-5000ppm |
1ppm |
Ethylene (C2H4) |
0-10ppm |
0.01ppm |
|
Nitric oxide (NO) |
020ppm |
0.01ppm |
Ethylene (C2H4) |
0-100ppm |
0.1ppm |
|
Nitric oxide (NO) |
0-100ppm |
0.01ppm |
Ethylene (C2H4) |
0-1000ppm |
1ppm |
|
Nitric oxide (NO) |
01000ppm |
0.1ppm |
Ethyl mercaptan |
0-10 mg/m3 |
0.01 mg/m3 |
|
Nitric oxide (NO) |
0-5000ppm |
1ppm |
Ethanol (C2H6O) |
0-100%LEL |
0.1%LEL |
|
Nitrogen dioxide (NO)2) |
020ppm |
0.01ppm |
Ethanol (C2H6O) |
0-100ppm |
0.1ppm |
|
Nitrogen dioxide (NO)2) |
0100ppm |
0.01ppm |
Ethanol (C2H6O) |
0-2000ppm |
1ppm |
|
Nitrogen dioxide (NO)2) |
0-1000ppm |
0.1ppm |
Methanol (CH)6O) |
0-100%LEL |
0.1%LEL |
|
Nitrogen dioxide (NO)2) |
02000ppm |
1ppm |
Methanol (CH)6O) |
0-100ppm |
0.1ppm |
|
Nitrogen oxides (NOX) |
0-100ppm |
0.01ppm |
Methanol (CH)6O) |
0-2000ppm |
1ppm |
|
Nitrogen oxides (NOX) |
0-500ppm |
0.1ppm |
Carbon disulfide (CS)2) |
0-50ppm |
0.01ppm |
|
Nitrogen oxides (NOX) |
02000ppm |
1ppm |
acrylonitrile(C3H3N) |
0100ppm |
0.01ppm |
|
Chlorine gas (CL)2) |
0-20ppm |
0.01ppm |
0-100ppm |
0.01ppm |
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Chlorine gas (CL)2) |
0-200ppm |
0.1ppm |
Laughing gas (N2O) |
01000ppm |
1ppm |
|
Ammonia (NH)3) |
0-10ppm |
0.01ppm |
Methylamine |
0-50ppm |
0.01ppm |
|
Ammonia (NH)3) |
0-100ppm |
0.01ppm |
Nitrogen (N)2) |
0-100%VOL |
0.01%VOL |
|
Ammonia (NH)3) |
0-1000ppm |
0.1ppm |
Benzene (C6H6) |
0-200ppm |
0.1ppm |
|
Ammonia (NH)3) |
0-5000ppm |
1ppm |
Toluene (C)7H8) |
0-200ppm |
0.1ppm |
|
Ammonia (NH)3) |
0-100%LEL |
0.1%LEL |
Xylene (C)8H10) |
0-200ppm |
0.1ppm |
|
Hydrogen (H)2) |
0-100%LEL |
0.1%LEL |
Styrene (C)8H8) |
0-200ppm |
0.1ppm |
|
Hydrogen (H)2) |
0-1000ppm |
0.1ppm |
Chloroethylene (C)2H3CL) |
0-200ppm |
0.1ppm |
|
Hydrogen (H)2) |
0-20000ppm |
1ppm |
Trichloroethylene (C)2HCL3) |
0-200ppm |
0.1ppm |
|
Hydrogen (H)2) |
0-40000ppm |
1ppm |
Tetrachloroethylene (C)2CL4) |
0-200ppm |
0.1ppm |
|
Hydrogen (H)2) |
0-100%Vol |
0.01%VOL |
Bromomethane (CH)3Br) |
0100ppm |
0.1ppm |
|
Hydrogen cyanide (HCN) |
0-30ppm |
0.01ppm |
Bromomethane (CH)3Br) |
0-200mg/m3 |
0.1mg/m3 |