Quality Assurance & Certifications

Technical Parameter

Technical Specifications Parameter Details
Signal input 4-20mA standard current signal or voltage signal
range Set the detection range based on the connected gas detector
Wireless Communication Wireless communication transmission (optional) including 4G/5G/NB-IoT/LORA
Display method LCD displays gas concentration and operation information, LED lights indicate working status
Alarm method Two stage sound and light alarm, sound ≥ 85dB@30cm
Alarm settings Low level alarm points can be set arbitrarily, while high level alarm points are fixed
output signal Two passive switching outputs, with a contact capacity of 120V AC 3A/24V DC 3A, (4-20mA standard current signal/MODBUS/RS 485 communication interface) with either option; Wireless communication: 4G/5G/NB IoT/LORA wireless communication transmission (optional)
Output current Each circuit provides 24VDC 200mA
Connecting to the detector Three wire system
Working power supply 220VAC 50Hz
Backup power supply 24VDC rechargeable battery (optional)
power dissipation ≤ 3W/Road
temperature range -20℃~+60℃
relative humidity 0-99% RH/no condensation
Installation method Plate mounted, wall mounted, cabinet mounted

Product Features

– Advanced microprocessor technology and communication technology, stable and reliable, with high accuracy.

– Dot matrix LCD and Chinese menu.

– Building block modular structure, single loop independent detection, alarm and control, real-time display, and non-interference with each other.

– Strong versatility, receiving 4-20mA current or voltage signals.

– Relay switch quantity and 4-20mA or RS485 signal output

– Two segments sound and light alarm, low segment alarm point can be set arbitrarily.

– Detectors, circuit faults, and automatic alarm for power supply undervoltage.

– Automatic switching of main and backup power sources, and automatic charging of backup points.

– It has the function of querying historical records.

– Easy to install, easy to operate, with installation methods such as tray mounted, wall mounted, cabinet mounted, etc

Structure & Dimension Diagram

Detectable Gases

Paid Components

Video

Sample Video
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Get in Touch

We will provide you with the most professional solution.

Address

301, 1401, 1501, 1601, Building C1, No. 459, Qiaokai Road, Fenghuang Community, Fenghuang Street, Guangming District, Shenzhen, China (518107) 

Email

sales@nuoan.com

Phone

+86 19928876242

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The products include gas sensors, gas detectors, gas alarm controllers and monitoring systems, gas analysis and pre-treatment systems,explosion-proof audio-visual alarm, flame detectors, and industrial HSE IoT.

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