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Catalytic Combustible Gas Sensor
NAP-78SU Catalytic Combustion Gas Sensor
Product Brochure
| Gas Sensor Type | Combustible Gas Sensor |
| Detectable Gas | Incomplete combustion exhaust gas |
| Applied Voltage | 2.0±0.05V |
| Clean Air Output | 30+/-3mV |
| Brand | Nemoto |
The NAP-78SU is a gas sensor developed to detect incomplete combustion in gas water heaters. It can directly detect exhaust gas at around 200°C and is sensitive to carbon monoxide and hydrogen. The sensor has a bridge circuit on the board, and the zero point can be adjusted to any value using a variable resistor.
【Features】
- Module Type
- For carbon monoxide and hydrogen gas
- High temperature durability
Basic specifications
| Sensor (RC) | NAP-78SU |
|---|---|
| Detectable Gas | Incomplete combustion exhaust gas |
| Applied voltage | 2.0±0.05V |
| Clean air output | 30+/-3mV |
| Detection concentration range | Within 1% (including 0.5% hydrogen) |
| Output value * Methane, isobutane, propane, hydrogen sensitivity (10% LEL) |
1000ppmCO+500ppmH2: 5 - 7mV |
| Current consumption (when voltage is applied) | 150 +/- 10mA |
| Usage environment (temperature conditions, humidity conditions) | -20 to +200°C (-4 to 492°F) Less than 95% RH without condensation |
| Storage environment | -30 to +70℃ , less than 99% RH without condensation |
| Response time (T90) | T90: within 10 seconds |
| Same-day reproducibility | Zero point: ±0.5mV Gas sensitivity: ±0.5% LEL |
| Annual zero point drift | Zero point: +/- 2mV / year |
| long term stability | Sensitivity: Within +/- 2mV/month |
| Design life | 5 years or more (for appropriate consumer and light commercial applications) |
| Recommended storage period | 6 months |
| linearity | 50%LEL |
NCP-170 Catalytic Combustion Gas Sensor
Product Brochure
| Gas Sensor Type | Combustion Gas Sensor |
| Sensor Technology | Catalytic Bead |
| Sensor(IC) | NCP-170 |
| Detectable Gas | Flammable gas |
| Applied voltage | 2.0V +/- 0.1V |
| Detection concentration range | 0-100%LEL |
The NCP-170 is a matched pair type industrial sensor that is sensitive to all types of combustible gases. It consumes significantly less power than the NCP-300, allowing greater freedom in the design of alarms and other devices.
【Features】
- Matched pair type
- Compact, energy-saving type
| Sensor (IC) | NCP-170 |
|---|---|
| Detectable Gas | Flammable gas |
| Applied voltage | 2.0V +/- 0.1V |
| Clean air output | 0 +/- 25mV |
| Detection concentration range | 0-100%LEL |
| Output value * Methane, isobutane, propane, hydrogen sensitivity (10% LEL) |
Methane: within 13mV |
| Current consumption (when voltage is applied) | 175mA +/- 15mA |
| Usage environment (temperature conditions, humidity conditions) | -20 to +60°C (-4 to 140°F) Less than 95% RH without condensation |
| Storage environment | -30 to +70℃ , less than 99% RH without condensation |
| Response time (T90) | T90: within 8 seconds |
| Same-day reproducibility | Zero point: ±0.5mV Gas sensitivity: ±1.0% LEL |
| Annual zero point drift | Within ±0.5mV/month |
| long term stability | Within 1%LEL/month |
| Design life | Within 3 years |
| Warranty period | 24 months |
| Recommended storage period | 6 months |
| linearity | 100%LEL |
NCP-170S Catalytic Combustion Gas Sensor
Product Brochure
| Gas Sensor Type | Combustion Gas Sensor |
| Sensor Technology | Catalytic Bead |
| Part Number | NCP-170S |
| Detectable Gas | Flammable gas |
| Applied voltage | 2.0V +/- 0.1V |
| Clean air output | 0 +/- 30mV |
The NCP-170S is a single-head type industrial sensor that is sensitive to all types of combustible gases. Like the NCP-300S, it features high sensitivity output and low power consumption.
【Features】
Single head type- High sensitivity type
NCP-170S-H Catalytic Combustion Gas Sensor
Product Brochure
| Gas Sensor Type | Combustion Gas Sensor |
| Sensor Technology | Catalytic Bead |
| Part Number | NCP-170S-H |
| Detectable Gas | Flammable gas |
| Applied voltage | 2.0V +/- 0.1V |
| Clean air output | 0 +/- 30mV |
The NCP-170S-H is a single-head type industrial sensor that is sensitive to all types of combustible gases. Like the NCP-170S, it has low power consumption and excellent high-temperature durability.
【Features】
Single head type- High sensitivity type
Basic specifications
| Sensor (IC) | NCP-170S-H |
|---|---|
| Detectable Gas | Flammable gas |
| Applied voltage | 2.0V +/- 0.1V |
| Clean air output | 0 +/- 30mV |
| Detection concentration range | 0-60%LEL |
| Output value * Methane, isobutane, propane, hydrogen sensitivity (10% LEL) |
Methane: within 25mV |
| Current consumption (when voltage is applied) | 175mA +/- 15mA |
| Usage environment (temperature conditions, humidity conditions) | -40 to +150°C (less than 95% RH without condensation) |
| Storage environment | -30 to +70℃ , less than 99% RH without condensation |
| Response time (T90) | T90: within 8 seconds |
| Same-day reproducibility | Zero point: ±0.5mV Gas sensitivity: ±1.0% LEL |
| Annual zero point drift | Within ±1mV/month |
| long term stability | Within 1%LEL/month |
| Design life | Within 3 years |
| Warranty period | 24 months |
| Recommended storage period | 6 months |
| linearity | 50%LEL |
NCP-180 Catalytic Combustion Gas Sensor
Product Brochure
| Gas Sensor Type | Combustion Gas Sensor |
| Sensor Technology | Catalytic Bead |
| Part Number | NCP-180 |
| Detectable Gas | acetylene |
| Applied voltage | 2.0V +/- 0.1V |
| Clean air output | 0 +/- 25mV |
| Detection concentration range | 0-100%LEL |
The NCP-180 is an acetylene gas sensor, an industrial sensor that is a more compact and energy-efficient version of the NCP-180-P.
【Features】
- Matched pair type
- Acetylene gas compatible
- Compact, energy-saving type
NCH-180 Catalytic Combustion Gas Sensor
Product Brochure
| Gas Sensor Type | Combustion Gas Sensor |
| Sensor Technology | Catalytic Bead |
| Part Number | NCH-180 |
| Detectable Gas | Flammable gas |
| Applied voltage | 2.5V +/- 0.2V |
| Clean air output | 0+/-35mV |
| Detection concentration range | 0-100%LEL |
The NCH-180 is an explosion-proof gas sensor that houses the NAP-56A in a pressure-resistant, explosion-proof housing. Compared to other similar Ex-certified devices, it is extremely compact and has a stylish design.
【Features】
- Explosion-proof certification (ATEX+IEC)
- Direct measurement of flammability
- Resistant to catalyst poisoning
- Resistant to shock and vibration
- Response to flammable gases
- Not affected by humidity
- A very simple circuit
- Little fluctuation in zero point and sensitivity
NCP-300 Catalytic Combustion Gas Sensor
Product Brochure
| Gas Sensor Type | Combustion Gas Sensor |
| Sensor Technology | Catalytic Bead |
| Part Number | NCP-300 |
| Detectable Gas | Flammable gas |
| Applied voltage | 2.0V +/- 0.1V |
| Clean air output | 0 +/- 30mV |
| Detection concentration range | 0-100%LEL |
The NCP-300 is a matched pair type industrial sensor that is sensitive to all combustible gases. It is our standard type of industrial catalytic combustion sensor, and is characterized by excellent linearity up to near the LEL, high durability, and versatility.
【Features】
Matched pair typeStandard Type
High durability
NAP-56A Contact Combustion Gas Sensor
Product Brochure
| Gas Sensor Type | Catalytic Combustion |
| Sensor Technology | Catalytic Bead |
| Part Number | NAP-56A |
| Brand | Nemoto |
| Detectable Gas | All Flammable Gases |
- Like the NAP-56A, the NAP-55A is a gas sensor suitable for detecting city gas leaks.
- Gas sensitivity is 55 to 1.2 times higher than NAP-1.5A, making it easy to design.
- The Nemoto NAP-56A is a new, improved low cost catalytic flammable gas sensor.
- Closely related to the very popular NAP-55A sensor, the NAP-56A uses exactly the same sensing elements, but the enclosure in which they are mounted employs a nickel plated brass mounting cap and a phenolic resin header, instead of the Nylon 66 material used in the NAP-55A.
- As a result, the sensor exhibits an increased sensitivity output and an increase in useful temperature range, whilst being very slightly larger in dimensions, compared to the NAP-55A.
- The widened temperature range of the NAP-56A makes it particularly suitable for applications such as recreational vehicles, caravans and marine applications where a wide temperature range is required.
- The mechanical construction and technical performance of this sensor makes it also suitable for a wide variety of Industrial and commercial gas detection applications
【Feature】
- Single head type
- High sensitivity
NAP-67A Contact Combustion Gas Sensor
Product Brochure
| Gas Sensor Type | Catalytic Combustion |
| Sensor Technology | Catalytic Bead |
| Part Number | NAP-67A |
| Brand | Nemoto |
| Detectable Gas | Propane / Butane / LPG |
NAP-67A is a consumer sensor suitable for household LP gas leak detection. Compared to NAP-66A, the gas sensitivity is 1.2 to 1.5 times higher, making it easier to design.
【Feature】
- Single head type
- High sensitivity
NAP-66A Contact Combustion Gas Sensor
Product Brochure
| Gas Sensor Type | Catalytic Combustion |
| Sensor Technology | Catalytic Bead |
| Part Number | NAP-66A |
| Brand | Nemoto |
| Detectable Gas | Propane/Butane/LPG |
NAP-66A is a consumer sensor that is ideal for detecting household LP gas leaks.With a market record of more than 30 years since its launch, we have a 25% share of the domestic market for LP gas alarms.
【Feature】
- Single head type
- Standard type
NCP-180S-6S Pellistor Gas Sensor
Product Brochure
| Gas Sensor Type | Catalytic Combustion |
| Sensor Technology | Catalytic Bead |
| Part Number | NCP-180S-6S |
| Brand | Nemoto |
| Recommended Voltage | 2.6V +/- 0.1V |
NCP-180S-6S is a single-head type industrial gas sensor with sensitivity to all combustible gases.Has excellent impact resistance and silicone durability.
【Feature】
- Single head type
- Impact resistance
- Silicone durable
NCP-180S-7S Pellistor Gas Sensor
Product Brochure
| Gas Sensor Type | Catalytic Combustion |
| Sensor Technology | Catalytic Bead |
| PArt Number | NCP-180S-7S |
| Brand | Nemoto |
| Recommended Voltage | 2.5V +/- 0.1V |
NCP-180S-7S is a single-head type industrial gas sensor with sensitivity to all combustible gases. It is a sensor with higher silicone durability than NCP-180S-6S.
【Feature】
- Single head type
- Impact resistance
- High silicone durability
NAP-50A Catalytic Combustion Gas Sensor
Product Brochure
| Gas Sensor Type | Combustion Gas Sensor |
| Sensor Technology | Catalytic Bead |
| Part Number | NAP-50A |
| Brand | Nemoto |
| Detectable Gas | Methane / Natural Gas & LPG Gases |
- The NAP-50A is smaller and consumes less power than our previous catalytic combustion gas sensors, consuming approximately 50% of the power of conventional catalytic combustion gas sensors.
- It also has a lower alcohol sensitivity than the NAP-55A, making it suitable for use in gas alarms for both home and commercial use.
- It also has excellent response to gas.
- Monitors flammability directly
- Unaffected by humidity
- Very low long term drift
- Excellent poison resistance
- Single header design for ease of use
- Superb temperature stability
- Resistant to shocks and vibration
- Linear output to 50% LEL
【Features】
- Has good stability Excellent reproducibility and precision The output signal shows excellent linearity for combustible gas concentrations other than alcohol.
- Extremely fast response time Ultra-compact and energy-saving design allows for greater freedom in designing alarms, etc.
- Low alcohol sensitivity.
NAP-55A Catalytic Gas Sensor
Product Brochure
| Gas Sensor Type | Catalytic Combustion |
| Sensor Technology | Catalytic Bead |
| Brand | Nemoto |
| Detectable Gas | All Flammable Gases |
| Part Number | NAP-55A |
General Description :
- The NAP-55A Gas Sensor is a low–cost Catalytic Flammable Gas Sensor designed for the detection and measurement of Methane or Natural Gas in the range 0-50% LEL. Developed primarily for use in Residential Gas Detectors, the NAP-55A has also been found to be useful in a wide variety of applications where reliable detection of gas leaks and other gas hazards is required at low cost.
- The NAP-55A uses the superior catalytic “pellistor” detection principle often used in high quality Industrial Gas Detectors.
- It hence has many benefits over other low cost gas sensor types
NAP-51A Contact combustion type gas sensor
| Gas Sensor Type | Catalytic Combustion |
| Sensor Technology | Catalytic Bead |
| PArt Number | NAP-51A |
| Brand | Nemoto |
| Detectable Gas | Flammable gas |
Like the NAP-51A, the NAP-50A is a model with reduced alcohol sensitivity.False detection due to alcohol used in disinfection and cooking can be suppressed. Gas sensitivity is about 50 times higher than NAP-1.6A.
【Feature】
- Single head type
- Low alcohol sensitivity
- High sensitivity
NAP-100AD-P Catalytic combustion gas sensor
| Gas Sensor Type | combustion gas sensor |
| Sensor Technology | Catalytic Bead |
| Part Number | NAP-100AD-P |
| Detectable Gas | Flammable gas |
| Applied voltage | 2.6+/-0.13V |
| Clean air output | 0 +/- 35mV |
The NAP-100AD-P is a catalytic combustion type gas sensor that is highly durable at high temperatures and is used for industrial applications.
The sensor has excellent linearity in output signals for gas concentrations up to LEL, as well as excellent reproducibility, reliability, and durability, making it suitable for a wide range of applications. Furthermore, the sensor head is made of sintered metal, making it highly wind-resistant.
【Features】
- Excellent linearity of output signal for gas concentrations up to LEL
- Excellent reproducibility and reliability
- Extremely high temperature durability
- Excellent durability against poisonous gases
- Low power consumption and easy circuit design
- Excellent long-term stability
NAP-50AF Contact combustion type gas sensor
| Gas Sensor Type | combustion type gas sensor |
| Sensor Technology | Catalytic Bead |
| Part Number | NAP-50AF |
| Brand | Nemoto |
| Detectable Gas | Methane, hydrogen |
NAP-50AF is a type of gas sensor in which NAP-50A is filtered with activated carbon.
Durability is improved by suppressing the influence of miscellaneous gas in the environment with an activated carbon filter.
【Feature】
- Single head type
- Dedicated to hydrogen and city gas (methane gas)
NSU-131A Catalytic Combustion Gas Sensor
| Gas Sensor Type | Combustion Gas Sensor |
| Sensor Technology | Catalytic Bead |
| Part Number | NSU-131A |
| Dectected Gas | Flammable Gas |
| Features | Module Type ,For all gases |
The NSU-131A is a consumer sensor module developed for stationary fuel cells. It has a bridge circuit built on the board, and the zero point can be adjusted to any value using a variable resistor. It is also ideal for the initial evaluation of catalytic combustion gas sensors. It is sensitive to all flammable gases.
【Features】
- Module Type
- For all gases
NSU-131AF2 Contact Combustion Gas Sensor
| Gas Sensor Type | Combustion Type Gas Sensor |
| Sensor Technology | Catalytic Bead |
| Part Number | NSU-131AF2 |
| Brand | Nemoto |
| Features | 1.Module Type 2.For hydrogen and city gas (methane gas) 3.High durability |
NSU-131AF2 is the latest sensor module with high durability, which has an increased amount of NSU-131AF activated carbon filter.It has a longer life due to the increased characteristics of miscellaneous gas.
【Feature】
- Module type
- For hydrogen and city gas (methane gas)
- High durability
NCP-300S Catalytic Combustion Gas Sensor
Product Brochure
| Gas Sensor Type | Combustion Gas Sensor |
| Sensor Technology | Catalytic Bead |
| Part Number | NCP-300S |
| Brand | Nemoto |
| Recommended Voltage | 2.V +/- 0.1V |
The NCP-300S is a single-head type industrial sensor that is sensitive to all combustible gases. It is our standard type of industrial catalytic combustion sensor, and is characterized by its higher sensitivity output than the NCP-300.
【Features】
Single head type- Standard Type
NCP-180S Catalytic Combustion Gas Sensor
Product Brochure
| Gas Sensor Type | Combustion Gas Sensor |
| Sensor Technology | Catalytic Bead |
| Part Number | NCP-180S |
| Detectable Gas | hydrogen |
| Applied voltage | 1.6V +/- 0.1V |
| Clean air output | 0 +/- 30mV |
| Detection concentration range | 0-100%LEL |
The NCP-180S is an acetylene gas sensor, an industrial sensor that is a more compact and energy-efficient version of the NCP- 180-P.
【Features】
- Matched pair type
- Acetylene gas compatible
- Compact, energy-saving type