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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
NGB-3A Gas sensor unit transmitter (4-20mA output)
- Electrochemical formula
- Carbon monoxide
- Hydrogen sulfide
- ammonia
- Applied products
- Concentration measurement
Product Overview The Gas Sensor Unit Transmitter (NGB-3A series) is a 4-20mA current output module developed for our electrochemical gas sensors (CO, H₂S, NH₃). It can be easily incorporated into equipment because it provides an output proportional to the gas concentration. By using this module, connection is easy and the development man-hours for gas detection systems can be significantly reduced. Recommended for the following needs: Want to incorporate a gas sensor into equipment Want to collect data with 4-20mA standard output Looking for a small, lightweight module When voltage output (1-5V) is required (optional) Product features ✅ 4-20mA output proportional to gas concentration ✅ Compact design (40mm x 28mm, approx. 6g) ✅ Optimized for our electrochemical sensors (CO/H₂S/NH₃) ✅ Equipped with zero and span adjustment functions ✅ Compatible with DC12V to 24V power supply ✅ Maximum load resistance of 700Ω ✅ Optional 1-5V voltage output also available ✅ Straight/right angle/connector type pin selectable Usage examples ⚡ Incorporation into environmental monitoring equipment ⚡ Safety monitoring in factories and research facilities ⚡ Portable gas detector development Specifications list Item Specifications Compatible sensors Our electrochemical sensors (CO, H₂S, NH₃) Output 4-20mA (option: 1-5V voltage output) Power supply voltage: DC12V to 24V Maximum load resistance: 700Ω (at DC24V) Board size: Approx. 40mm x 28mm Board weight: Approx. 6g Operating temperature range: 0 to 40°C Product variations Model Pin specifications Features NGB-3APS Straight pin header Standard configuration NGB-3APR Right angle pin header For devices with height restrictions NGB-3ACS Straight connector Cable Easy to connect configuration Notes ● Adjust the output zero and span carefully. ● Use the power supply voltage and load resistance within the specified range. ● We recommend storing the sensor for a maximum of 6 months. ● Avoid condensation and water immersion during storage and installation. Please feel free to contact us with any questions or introduction consultations regarding this product. We can make more accurate suggestions if you tell us the installation environment and use purpose.
- Measurement range
- Detection target gas
High-precision alcohol detection unit (NGEV-C2H5OH-4A) High precision alcohol detection unit
- For consumer
- Industrial
- Sensor application products
- Alarm
- Consumer alarm
- Industrial alarm
- alcohol
- Applied products
- Industrial
- industrial alarm
- Breath check
- Applied products
- Concentration measurement
- ethanol
This is an alcohol detection unit equipped with our electrochemical breath alcohol sensor. Using a high-precision pump system that is not available from other companies, we are able to perform evaluations and measurements that maximize the performance of the sensor.
- 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 Product Description Product Overview This compact hydrogen alarm detects leaked hydrogen gas and alerts those in the vicinity to the risk of a gas leak. While offering the same performance as the standard model (NDR-H2-1A), its compact design allows for use in environments with limited installation space. A buzzer and LED light sound an alarm when the threshold reaches 500 ppm. It is powered by 100-240V AC and features a c-contact relay for external output. It can be used in a variety of ways, including interlocking with other devices and simple installation. For contact specifications (A-contact, B-contact, C-contact), click here. * This product is a c-contact type. Examples of Uses: Around gas chromatography equipment, near hydrogen cutting equipment, near hydrogen cylinders (where installation space is limited). Features: Proven, proprietary sensor: This sensor uses a proprietary catalytic combustion gas sensor, boasting high reliability and accuracy. Three-level LED display of hydrogen concentration: Power, trouble, and gas alarm status are displayed in three levels on the LED, allowing for easy confirmation at a glance. Compact body Its compact design allows for flexible installation even in environments with limited installation space. Plug it into the outlet and use immediately It can be used with a standard household outlet (100V AC). Loud alarm sound (93dB) In an emergency, a loud 93dB buzzer will definitely draw attention. Wall-mountable installation It can also be installed on a wall, allowing for space-saving installation. We welcome requests for quotes regarding compact hydrogen alarms. Please feel free to contact us regarding installation environments and maintenance. For information on regular calibration (once a year), click here
- Measurement range
- 500 to 20,000 ppm
- Detection target gas
- hydrogen
Hydrogen alarm (NDR-H2-1B) Hydrogen alarm (NDR-H2-1B)
- Sensor application products
- Applied products
- hydrogen
- Applied products
- explosion prevention
Product Description🔷 Product Overview The NDR-H2-1B is a stationary hydrogen gas alarm that detects hydrogen gas leaks with high accuracy and immediately sounds an alarm via a buzzer and LED when the 500 ppm alarm threshold is reached. It uses a high-precision catalytic combustion sensor (manufactured in-house). The three-level LED display (Power/Caution/Alarm) indicates the status at a glance. It operates on AC 100V, eliminating the need for power supply installation. Easy installation. The B-contact relay output allows for connection to external devices. For more information on contact relays, click here. A loud buzzer (approx. 93 dB) ensures reliable warnings. Wall-mountable for space-saving installation. *Regular inspection and calibration are required to maintain the alarm's performance. For information on regular inspection and calibration, click here. Please consult us in advance if you are considering installation in high locations or locations where maintenance is difficult. 🔷 Applications: Hydrogen leak monitoring around gas chromatography (GC) equipment; Safety monitoring around hydrogen cutting machines and hydrogen generation equipment; Leak detection around hydrogen cylinders and supply equipment; Safety management of hydrogen-using areas in research facilities and analytical laboratories.
- Measurement range
- 500 to 20,000 ppm
- Detection target gas
- hydrogen
NDS-9A-NH3 Fixed ammonia alarm (NDS-9A-NH3)
- Sensor application products
- Electrochemical formula
- Applied products
- ammonia
- Applied products
- explosion prevention
[Notice] Sales of this product have been temporarily suspended. We are currently verifying the stability of product performance, and the re-release date is undetermined. We will announce the availability of a replacement product on this page or in the news section as soon as it is ready. We apologize for any inconvenience this may cause and appreciate your understanding. Product Description: The fixed ammonia alarm (NDS-9A-NH3) detects and displays ammonia (NH₃) concentrations in the air in real time, and reliably sounds an alarm via a buzzer and LED when a dangerous concentration is reached. The measurement range is 0 to 100 ppm, with alarm settings of 20 ppm and 50 ppm, helping to ensure workplace safety. Alarm history and concentration fluctuations are automatically recorded as logs and can be saved in CSV format using a USB memory stick. Furthermore, the relay contact output allows for connection to external devices, making it suitable for integration into factory and facility safety systems. 🔷 Applications: Refrigerant ammonia leak monitoring; Ammonia concentration management in chemical factories and fertilizer manufacturing plants; Safety management of ammonia emissions in livestock facilities (livestock barns, poultry houses, etc.); Ammonia gas monitoring in sewage and wastewater treatment plants
- Measurement range
- 0-100ppm
- Detection target gas
- ammonia
NDS-9A-H2S Fixed hydrogen sulfide alarm (NDS-9A-H2S)
- Sensor application products
- Electrochemical formula
- Applied products
- Hydrogen sulfide
- Applied products
- Applied products
- addiction prevention
Product Description The NDS-9A-H2S fixed hydrogen sulfide alarm monitors the H₂S (hydrogen sulfide) concentration in a space in real time, and when a dangerous concentration is reached, it reliably sounds an alarm via a buzzer and LED display. Alarm history and concentration data are automatically saved in a log and can be easily retrieved using a USB memory stick. Its design helps streamline facility management and record-keeping. In addition, relay contact output enables linkage with external devices such as exhaust equipment and interlocks in the event of an alarm, making it easy to incorporate into safety systems for factories and facilities. *Regular inspection and calibration are required to maintain sensor performance. Please consult us in advance if you plan to install the alarm at high altitudes or in locations where maintenance is difficult. 🔷 Applications Monitoring hydrogen sulfide at sewage treatment plants and wastewater treatment facilities Monitoring H₂S concentrations at chemical plants Safety management at hot spring facilities and in areas where volcanic gas is emitted Managing the risk of hydrogen sulfide leaks at factory facilities Key Features 8 LED displays + 2-stage buzzer for step-by-step notifications from caution to alarm Real-time H₂S concentration display using 7-segment LED Automatic log storage of alarm history and concentration data Data can be saved in CSV format to USB memory Easy connection to external devices with alarm-linked relay contact output AC100V specification allows easy power supply from a household outlet Wall-mountable, compact design (130 x 90 x 45 mm / 360g) High reliability and long life thanks to in-house developed sensors
- Measurement range
- 0-100ppm
- Detection target gas
- Hydrogen sulfide
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