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Applied product Portable CO detection alarm (NDP-CO1A) Portable CO detection alarm (NDP-CO1A)
- Sensor application products
- Industrial alarm
- Applied products
- Applied products
NDP-CO1A is a portable CO alarm equipped with an electrochemical sensor. It is equipped with a two-step alarm of 50 and 150 ppm and an integrated concentration alarm of 2 ppm · hr, and an alarm sounds and the LED blinks.It is mainly used indoors where steelworks and combustion equipment are installed.
- Measurement range
- Carbon monoxide / CO 0-300ppm
- Detection target gas
- Carbon monoxide / CO
Hydrogen gas alarm (NDR-H2-1A) Hydrogen alarm (NDR-H2-1A)
- Sensor application products
- Alarm
- Applied products
- hydrogen
- Applied products
- explosion prevention
Product Description The hydrogen alarm (NDR-H2-1A) is a device that detects leaked hydrogen gas with high accuracy and alerts the surrounding area to danger. With a threshold of 500 ppm, it immediately issues an alarm with a buzzer and LED lamp when gas is detected. The power supply is AC100V, and an A-contact relay is provided for the external output. The contact is normally conductive and disconnected when an alarm occurs. It can be used in a variety of ways, from simple installation to device linkage. *Gas alarms are devices that require regular inspection and calibration to maintain accurate detection performance. Please consult us in advance if you are considering installing it in a high place or a place that is difficult to access. We can also propose an installation method that takes into account the maintenance plan. Examples of use ●Around gas chromatography equipment ●Near hydrogen cutting equipment ●Hydrogen cylinder installation location Features ●Uses a proven in-house contact combustion gas sensor: Achieves high reliability and accuracy. ●LED displays hydrogen gas concentration in three stages: Power, trouble, and alarm status can be confirmed at a glance. ●General household AC3V outlet specification: Easy to install and operate. ●Loud buzzer (approx. 100 dB): Ensures attention in an emergency. ●Wall-mounted installation: Can be installed in limited spaces.
- Measurement range
- 500 to 20,000ppm (range error 15%)
- Detection target gas
- hydrogen
Multi-function combustible gas monitor (NGM-C01 series) Multifunctional combustible gas monitor NGM-C01 series
- Sensor application products
- Applied products
- hydrogen
- Combustible gas (general)
- Concentration measurement
Product Overview The multi-function combustible gas monitor "NGM-C01 series" is a compact monitor equipped with a catalytic combustion gas sensor that displays the concentration of various combustible gases such as hydrogen, methane, propane, and isobutane in real time. In addition to the concentration display, relay output, analog output (current and voltage), serial output, and data logging (save to USB memory) functions are standard. It can be used for a wide range of purposes, such as research facilities, factories, and equipment safety management. Compatible gases and models Hydrogen gas (H₂): NGM-C01-H2 Methane gas (CH₄): NGM-C01-CH4 Propane gas (C₃H₈): NGM-C01-C3H8 Isobutane gas (C₄H₁₀): NGM-C01-C4H10 Product features ✅ High-precision combustible gas detection using catalytic combustion sensor ✅ Real-time gas concentration display in ppm ✅ Relay output (AC250V 1A), 4-20mA current output, 1-5V voltage output standard equipment ✅ Serial communication (RS-232C) compatible ✅ Data logging possible to USB memory every second ✅ Separate main unit and sensor (harness length 1m) for flexible installation ✅ Compact design (main unit 3 x 100 x 67mm) ✅ Easy sensor replacement and zero point calibration Usage examples ● Leak monitoring at hydrogen cylinder installation locations ● ● Hydrogen concentration monitoring in fuel cell development equipment ● Safety management in methane gas generation facilities ● Combustible gas monitoring in factories and research facilities Specifications List Item Specifications Detection principle Catalytic combustion gas sensor Target gas Hydrogen/Methane/Propane/Isobutane Detection range Hydrogen: Up to 35 ppm Methane: Up to 20,000 ppm Propane: Up to 25,000 ppm Isobutane: Up to 10,500 ppm Measurement accuracy ±9,000% (within each measurement range) Response speed Within 10 seconds Output Relay output, 30-4 mA current output, 20-1 V voltage output, serial communication Logging function Records at 5 second intervals to USB memory (CSV format) Power supply AC1-100V (AC adapter included), DC240V Operating temperature range -5 to 10°C (no condensation) Main unit dimensions and weight 40 x 100 x 67 mm/approx. 35 g (main unit) Sensor section: approx. 390 g Design life Approx. 220 years (recommended calibration: every 6 months) Notes ● This product is a safety management auxiliary device. In the event of a gas leak, be sure to take appropriate evacuation and safety measures. ● Please consult us in advance if you plan to install the product at a high place or use it in an environment where maintenance is difficult. ● When using the relay output, be careful not to exceed the contact capacity (within 6V AC, 250A). ● Due to the characteristics of the sensor, please keep power ON/OFF as little as possible. Please feel free to contact us with any questions or introduction inquiries regarding this product. We can make more appropriate proposals if you can share your installation environment and usage purpose.
- Measurement range
- Detection target gas
Compact hydrogen gas alarm (NDR-H2-2C) Small hydrogen alarm (NDR-H2-2C)
- Sensor application products
- Applied products
- hydrogen
- Applied products
- explosion prevention
Compact hydrogen alarm (NDR-H2-2C) Product description The compact hydrogen alarm detects leaked hydrogen gas and alerts the surrounding area of the risk of gas leakage. While it has the same performance as the standard model (NDR-H2-1A), its compact design allows it to be used in environments with limited installation space. It issues an alarm with a buzzer and LED lamp at a threshold of 500 ppm. The power supply is AC100-240V, and the external output is equipped with a c-contact relay. It can be used in a variety of ways, such as equipment linkage and simple installation. *C-contact type specification. Examples of use ●Around gas chromatography equipment ●Near hydrogen cutting equipment ●Near hydrogen cylinders (places with limited installation space) Features ●Uses our own proven contact combustion gas sensor: Boasts high reliability and accuracy. ●LED displays hydrogen concentration level in three stages: You can check the power supply, trouble, and gas alarm status at a glance. ●Compact body: The compact design allows you to install it in any space. ●Can be used with a general household AC100V outlet: Easy to install and use. ●Loud alarm sound (93dB): Ensures attention in an emergency. ●Can be wall-mounted: Allows for effective use of space. Please feel free to request a quote. If you have any questions regarding the installation environment or maintenance, please feel free to contact us.
- Measurement range
- 500 to 20,000 ppm
- Detection target gas
- hydrogen
Hydrogen alarm (NDR-H2-1B) Hydrogen gas alarm (NDR-H2-1B)
- Sensor application products
- Applied products
- hydrogen
- Applied products
- explosion prevention
Product DescriptionThe hydrogen alarm (NDR-H2-1B) is a device that detects leaked hydrogen gas with high accuracy and alerts the surrounding area with an alarm. The detection concentration threshold is 500 ppm, and when gas is detected, an alarm is immediately sounded by a buzzer (approximately 93 dB) and an LED lamp. The power supply is AC100V. The external output uses a B contact relay (AC250V 1A, resistive load), which is normally open, but when an alarm occurs, the contact closes, allowing for reliable signal transmission to external devices. In this model, the circuit is normally open and closes when an alarm occurs, so it can be easily linked to external buzzers, patrol lights, equipment stop devices, etc. This makes it easy to build a system that reliably and immediately notifies the alarm in the event of an abnormality or safely stops the equipment. *When connecting to an external device, be careful not to exceed the relay contact rating (AC250V 1A, resistive load). It is recommended to use a relay when connecting a high-current device. *Gas alarms are devices that require regular inspection and calibration to maintain accurate detection performance. Please consult us in advance, especially if you are considering installing it in a high place or a place where access is difficult. We can also propose an installation method that takes into account the maintenance plan. *A contact specification model (NDR-H2-1A) is also available separately. Examples of usage ●Around gas chromatography equipment ●Near hydrogen cutting equipment ●Hydrogen cylinder installation location ●When you want to link with a buzzer, patrol light, or stop device Features ●Equipped with a proven in-house contact combustion gas sensor: High reliability and stable detection performance. ●LED 3-stage display: Power, trouble, and alarm status can be confirmed at a glance. ●AC100V power supply specification: Easy installation and operation. ●Loud buzzer (approx. 93dB): Ideal for calling attention in an emergency. ●Wall-mounted installation: Effective use of space. ●Equipped with B contact relay: Signal transmission to external devices is possible when an alarm occurs. Please be careful of the load capacity. We are always available to provide estimates and consultations regarding introduction considerations. Also, please feel free to contact us if you have any questions regarding the installation environment or operation.
- Measurement range
- 500 to 20,000 ppm
- Detection target gas
- hydrogen
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