Portable hydrogen sulfide detector

The portable hydrogen sulfide detector (NGP40-104KM-H2S) is mainly used for rapid and accurate detection of gas leaks or gas concentration exceeding the standard alarm. The main detection principles of gas detection include: electrochemistry, infrared, catalytic combustion, thermal conductivity, PID photoionization, etc. Widely used in firefighting, emergency rescue, confined spaces, petroleum, chemical, coal mining, metallurgy, refining, gas, storage, medicine, environmental protection, air treatment and other occasions.

Portable hydrogen sulfide detector

Model: NGP40-104KM-H2S

Portable hydrogen sulfide detector (NGP40-104KM-H2S)Features:

1. Can simultaneously detect 1-4 gases;

2. Diffuse/pump suction measurement, external pump and instrument are connected as an embedded integrated type, with adjustable flow rate;

3. Pump blockage alarm;

4. Fireproof, anti-static, and anti high-frequency radiation;

5. Charging method: landline charging, TYPE-C fast charging interface;

6. Unit switching, optional units: umol/mol, ppm, mg/m3,% Vol,% LEL;

7. Convenient button operation;

8. Large capacity data storage function, with a storage capacity of over 200000 pieces of data;

9. Communication interface: TYPE-C;

10. Wireless transmission (optional): LORA, Bluetooth (can connect external Bluetooth printers, mobile terminals, etc.) NB-IOT；

11. Support SOS one click emergency call function (optional);

12. Falling alarm;

13. Data recovery function, which can partially or completely restore factory data;

14. Can display maximum, minimum, and weighted average values;

15. Multiple alarm modes and alarm modes are set, and the alarm status is indicated in a multi-dimensional and three-dimensional manner when an alarm is triggered;

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 standard:

GBT3836.1-2021 General Requirements for Electrical Equipment Used in Explosive Gas Environments

GBT3836.4-2021 "Inherent Safety Type 'i' of Electrical Equipment for Explosive Gas Environments"

GBT50493-2019 "Design Standard for Combustible Gas and Toxic Gas Detection and Alarm in Petrochemical Industry"

GB15322.3-2019 "Combustible Gas Detectors Part 3: Portable Combustible Gas Detectors for Industrial and Commercial Use"

Outline drawing:

Diffuse appearance

Pump suction appearance (external pump)

charging dock

Detection factor	Hydrogen sulfide H2S
Testing Scope	0-10, 50, 100, 200ppm, etc., depending on the on-site environment and user requirements
Resolution	0.01、0.1ppm
Unit display	Units available: umol/mol, ppm, mg/m3,% Vol,% LEL
Detection Principle	Electrochemical, catalytic combustion, infrared, thermal conductivity, semiconductor, PID photoionization, etc., depending on the range, on-site environment, and user requirements
Sensor lifespan	Electrochemical 2-3 years, catalytic combustion 2-3 years, infrared 5-10 years, thermal conductivity 2-5 years, PID 2-3 years
Detection method	Diffuse/pump suction, standard: external pump
display mode	2寸LCD
Display content	Real time concentration, unit, gas name, alarm status, time, storage, communication status, battery level, charging status, etc
detection accuracy	Typical accuracy: ≤± 3% FS (optional higher precision sensor)	uncertainty	≤±2%
Linearity	≤±3%	Repeatability	≤±2%
response time	T90 ≤ 20 seconds (universal)	recovery time	≤ 30 seconds (universal)
working power supply	DC3-8.4V
battery capacity	3.7V, 2800mAh (7.4V, 1400mAh) rechargeable polymer battery with overcharge, overdischarge, overvoltage, short circuit, and overheating protection functions
working hours	Over 100 hours (diffusion type, non catalytic sensor)
Alarm Volume	Greater than 90dB
Usage environment	Temperature: -20 ℃~+50 ℃, customizable -40 ℃~+70 ℃; Relative humidity: 10-95% RH
communication interface	Standard Type-C fast charging (base charging) and communication, standard base charging dock (2-hour full charge)
data storage	Standard capacity of 200000 pieces; Support local viewing, deletion, or data export, with arbitrary storage time interval settings
Interface language	Chinese or English optional, default Chinese interface
Explosion proof type	Essentially Safe Exia Ⅱ CT4Ga
Protection level	IP68
Shell material	High strength, corrosion-resistant, fire-resistant polycarbonate, fully encapsulated, anti drop, wear-resistant, anti-static, effective anti drop height ≥ 5 meters
Overall dimensions	90×70×38mm(L×W×H)	Weight	About 380g
Standard Appendix	Instruction manual, certificate of conformity, USB charger (including data cable), charging base, instrument box, external pump (calibration cover), and 1 filter.
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 distress call, NB-IOT
	③ External miniature wireless Bluetooth printer.
Optional accessories	① Multiple filters ② 0.4-meter stainless steel sampling handle (including 1-meter hose)
★Manufacturer Qualification	ISO9001 Quality Management System Certification, IS014001 Environmental Management System Certification, IS010012 Measurement Management System Certification, Explosion proof Certificate, etc

Common gas appendix (other ranges and corresponding resolutions can be customized):

Gas detection	range	resolution		Gas detection	range	resolution
VOCs(VOC)	0-20ppm	0.01ppm		Hydrogen cyanide (HCN)	0-100ppm	0.01ppm
VOCs(VOC)	0-200ppm	0.1ppm		Hydrogen chloride (HCL)	0-20ppm	0.01ppm
VOCs(VOC)	0-2000ppm	1ppm		Hydrogen chloride (HCL)	0-200ppm	0.1ppm
VOCs(VOC)	0-10000ppm	1ppm		Phosphine (PH3)	0-5ppm	0.001ppm
Flammable gas (EX)	0-1000ppm	1ppm		Phosphine (PH3)	0-20ppm	0.01ppm
Flammable gas (EX)	0-100%LEL	0.1%LEL		Phosphine (PH3)	0-2000ppm	1ppm
Flammable gas (EX)	0-100%Vol	0.01%Vol		Chlorine dioxide (CLO2)	0-1ppm	0.001ppm
Methane (CH4)	0-100%LEL	0.1%LEL		Chlorine dioxide (CLO2)	0-10ppm	0.01ppm
Methane (CH4)	0-100%Vol	0.01%Vol		Chlorine dioxide (CLO2)	0-100ppm	0.01ppm
Oxygen (O2)	0-30%Vol	0.01%Vol		Ethylene oxide (ETO)	0-100ppm	0.01ppm
Oxygen (O2)	0-100%Vol	0.01%Vol		Ethylene oxide (ETO)	0-1000ppm	0.1ppm
Carbon monoxide (CO)	0-100ppm	0.01ppm		Ethylene oxide (ETO)	0-100%LEL	0.1%LEL
Carbon monoxide (CO)	0-1000ppm	0.1ppm		Phosgene (COCL2)	0-1ppm	0.001ppm
Carbon monoxide (CO)	0-2000ppm	1ppm		Phosgene (COCL2)	0-10ppm	0.01ppm
Carbon monoxide (CO)	0-5000ppm	1ppm		Silane (SiH4)	0-1ppm	0.001ppm
Carbon monoxide (CO)	0-10000ppm	1ppm		Silane (SiH4)	0-50ppm	0.01ppm
Carbon dioxide (CO2)	0-5000ppm	1ppm		Fluorine gas (F2)	0-1ppm	0.001ppm
Carbon dioxide (CO2)	0-50000ppm	1ppm		Fluorine gas (F2)	0-10ppm	0.001ppm
Carbon dioxide (CO2)	0-5%Vol	0.01%Vol		Fluorine gas (F2)	0-100ppm	0.01ppm
Carbon dioxide (CO2)	0-20%Vol	0.01%Vol		Hydrogen fluoride (HF)	0-10ppm	0.01ppm
Carbon dioxide (CO2)	0-100%Vol	0.01%Vol		Hydrogen fluoride (HF)	0-50ppm	0.01ppm
Formaldehyde (CH2O)	0-10ppm	0.01ppm		Hydrogen Bromide (HBr)	0-50ppm	0.01ppm
Formaldehyde (CH2O)	0-50ppm	0.01ppm		(B2H6)	0-10ppm	0.001ppm
Formaldehyde (CH2O)	0-100ppm	0.01ppm		Arsine (AsH3)	0-1ppm	0.001ppm
Formaldehyde (CH2O)	0-1000ppm	1ppm		Arsine (AsH3)	0-10ppm	0.001ppm
Ozone (O3)	0-1ppm	0.001ppm		Germanane (GeH4)	0-1ppm	0.001ppm
Ozone (O3)	0-10ppm	0.01ppm		Germanane (GeH4)	0-10ppm	0.001ppm
Ozone (O3)	0-100ppm	0.01ppm		Germanane (GeH4)	0-50ppm	0.01ppm
Ozone (O3)	0-2000ppm	1ppm		Hydrazine, hydrazine (N2H4)	0-1ppm	0.001ppm
Hydrogen sulfide (H2S)	0-10ppm	0.01ppm		Hydrazine, hydrazine (N2H4)	0-300ppm	0.1ppm
Hydrogen sulfide (H2S)	0-100ppm	0.01ppm		Tetrahydrophene (THT)	0-50mg/m3	0.01mg/m3
Hydrogen sulfide (H2S)	0-500ppm	0.1ppm		Bromine gas (Br2)	0-10ppm	0.01ppm
Hydrogen sulfide (H2S)	0-2000ppm	1ppm		Bromine gas (Br2)	0-50ppm	0.01ppm
Sulfur dioxide (SO2)	0-20ppm	0.01ppm		Acetylene (C2H2)	0-100%LEL	0.1%LEL
Sulfur dioxide (SO2)	0-100ppm	0.01ppm		Acetylene (C2H2)	0-100ppm	0.1ppm
Sulfur dioxide (SO2)	0-1000ppm	0.1ppm		Acetylene (C2H2)	0-1000ppm	1ppm
Sulfur dioxide (SO2)	0-5000ppm	1ppm		Ethylene (C2H4)	0-10ppm	0.01ppm
Nitric oxide (NO)	0-20ppm	0.01ppm		Ethylene (C2H4)	0-100ppm	0.1ppm
Nitric oxide (NO)	0-100ppm	0.01ppm		Ethylene (C2H4)	0-1000ppm	1ppm
Nitric oxide (NO)	0-1000ppm	0.1ppm		Ethyl mercaptan (C2H5SH)	0-10mg/m3	0.01mg/m3
Nitric oxide (NO)	0-5000ppm	1ppm		Ethanol (C2H6O)	0-100%LEL	0.1%LEL
Nitrogen dioxide (NO2)	0-20ppm	0.01ppm		Ethanol (C2H6O)	0-100ppm	0.1ppm
Nitrogen dioxide (NO2)	0-100ppm	0.01ppm		Ethanol (C2H6O)	0-2000ppm	1ppm
Nitrogen dioxide (NO2)	0-1000ppm	0.1ppm		Methanol (CH6O)	0-100%LEL	0.1%LEL
Nitrogen dioxide (NO2)	0-2000ppm	1ppm		Methanol (CH6O)	0-100ppm	0.1ppm
Nitrogen oxides (NOX)	0-100ppm	0.01ppm		Methanol (CH6O)	0-2000ppm	1ppm
Nitrogen oxides (NOX)	0-500ppm	0.1ppm		Carbon disulfide (CS2)	0-50ppm	0.01ppm
Nitrogen oxides (NOX)	0-2000ppm	1ppm		丙烯腈 （C3H3N）	0-100ppm	0.01ppm
Chlorine gas (CL2)	0-20ppm	0.01ppm		（N2O4）	0-100ppm	0.01ppm
Chlorine gas (CL2)	0-200ppm	0.1ppm		Laughing gas (N2O)	0-1000ppm	1ppm
Ammonia (NH3)	0-10ppm	0.01ppm		甲胺 （C3H9N）	0-50ppm	0.01ppm
Ammonia (NH3)	0-100ppm	0.01ppm		Nitrogen (N2)	0-100%Vol	0.01%Vol
Ammonia (NH3)	0-1000ppm	0.1ppm		Benzene (C6H6)	0-200ppm	0.1ppm
Ammonia (NH3)	0-5000ppm	1ppm		Toluene (C7H8)	0-200ppm	0.1ppm
Ammonia (NH3)	0-100%LEL	0.1%LEL		Xylene (C8H10)	0-200ppm	0.1ppm
Hydrogen (H2)	0-100%LEL	0.1%LEL		Styrene (C8H8)	0-200ppm	0.1ppm
Hydrogen (H2)	0-1000ppm	0.1ppm		Chloroethylene (C2H3CL)	0-200ppm	0.1ppm
Hydrogen (H2)	0-20000ppm	1ppm		Trichloroethylene (C2HCL3)	0-200ppm	0.1ppm
Hydrogen (H2)	0-40000ppm	1ppm		Tetrachloroethylene PID (C2CL4)	0-200ppm	0.1ppm
Hydrogen (H2)	0-100%Vol	0.01%Vol		Bromomethane (CH3Br)	0-100ppm	0.1ppm
Hydrogen cyanide (HCN)	0-30ppm	0.01ppm		Bromomethane (CH3Br)	0-200mg/m3	0.1mg/m3

Note: Other gases not listed in the above table can be consulted