B21, China Town Mall, Midrand
Huafan HFM-301 NH3 Detector and Single Channel Alarm Controller
- Section : Consumer Electronics
- Category : Alarm & Sensors
- SKU : 1600721663095
Huafan HFM-301 NH3 Detector and Single Channel Alarm Controller
The Huafan HFM-301 NH3 Detector and Single Channel Alarm Controller is designed for detecting ammonia (NH3) gas in industrial environments. With its intelligent features, LED display, and reliable sound and light alarm system, it ensures the safety of personnel and property. The device is engineered for easy integration with existing systems and operates efficiently in various conditions.
Key Features:
Reliable Signal Input:
- Signal Input: 4-20mA, providing consistent and accurate readings for gas concentration levels.
Clear and Efficient Display:
- Display: LED display for easy monitoring and real-time tracking of NH3 gas levels.
Flexible Voltage Options:
- Working Voltage: AC110-220V, 50Hz/60Hz, offering compatibility with various power systems.
- Output Voltage: DC24V for low power consumption and ease of integration.
Alarm System:
- Alarm: Intelligent sound and light alarm system to promptly notify operators in case of hazardous gas levels.
Output Options:
- Output Way: Two-wire or three-wire output, providing flexibility for integration with different systems.
Durable and Compact Design:
- Size: 38021083mm (LWH) to fit easily into a variety of locations.
- Weight: 2.5kg, lightweight for simple installation and transportation.
Certifications:
- CE, ATEX, ISO9001 certified, ensuring the device meets international safety and quality standards.
Specifications:
- Model Number: HFM-301
- Product Name: NH3 Detector and Single Channel Alarm Controller
- Signal Input: 4-20mA
- Display: LED Display
- Working Voltage: AC110-220V 50Hz/60Hz
- Output Voltage: DC24V
- Alarm: Intelligent sound and light alarm system
- Output Way: Two-wire or three-wire
- Size (L x W x H): 380 x 210 x 83 mm
- Weight: 2.5 kg
- Certifications: CE, ATEX, ISO9001
Product Info Gallery
This control panel works together with gas leakage alarm detector,whole belongs to online gas detection system, the controller is installed in monitor room and gas detectors are installed at the spot. The gas detectors send signal to the controller, the controller display real time gas concentration and will make alarm when it exceed a preset alarm level.
Feature of controller:
● Connect one gas detector
● 24 hours online monitor
● LED digital directly display
● AC110-220V power supply
● DC24V power supply
● 4-20mA signal input
● sound and light alarms
● High & low alarm points
● Relay switch signal
● Industrial explosion-proof
● CE ,ATEX,ISO approved
● One year warranty
Product Features
1. LED direct display;
2. Intelligent audible and visual alarms;
3. Strong anti-jamming capability,convenient layout and simple wiring;
4. Can connect exhaust fan, solenoid valve etc;
5. Simple menu operation,complete functions and high reliability;
6. Support relay switch signal and explosion-proof light or other external devices;
7. Suitable for 4-20mA fixed gas detectors.
In stock,can be dispatched at once.
Product Paramenters
| CE ATEX Fixed 4-20mA output NH3 gas detector | |
| Size and weight | 144* 190 * 74mm,about 1130g |
| Sensor types | electrochemistry method |
| Destination gas | NH3 |
| Measure range | 0-200ppm,resolution is 1ppm,support customization |
| Working pattern | continuous work |
| Working voltage | DC24V |
| Display | No display(LED and LCD display are optional) |
| Output signal | 4-20mA (RS485 digital signal is optianal) |
| Output way | three wire system can output a set of relay switch signal |
| Temperature range | - 20 ℃ ~ 50 ℃ |
| Humidity | 15% ~ 90% RH (No condensation) |
| Explosion-proof number | CE10 1084 |
| Explosion-proof marks | Exd II CT6 |
| Transmission distance | ＜ 1000 m |
| Certificate | CE, ATEX, CNEX, ISO9001 |
| Single channel gas alarm controller | Single channel gas control panel |
| Size and net weight | 380 mm * 210 mm * 83 mm, about 2.5KG |
| Working voltage | AC220V 50 Hz |
| Output voltage | DC24V (over-current protection function) |
| The number of channels | 1 road |
| Display mode | LED direct display |
| Alarm type | Audible and visual |
| Signal input | 4-20 mA |
| Control output | AC 250V 10A 、DC 30V 10A (relay switch output) |
| Connection mode | two wire, three wire system 4-20 mA current signal of the transmitter |
| Response time | ≤ 8s |
| Measurement range | 0~9999(can be set) |
| Alarm | More than 90dB alarm way, super bright strobe alarm lamp |
| Output control | 1-2 road alarm control relay output |
| Temperature & Humidity | - 10 ℃ ~ 50 ℃, 15% ~ 70% RH (No condensation) |
| Installation method | wall-mounted installation |
- Shipping Timeframes: All orders are processed within 2-5 business days (excluding weekends and holidays). After your order has been processed, the estimated delivery time is before 03 Feb, 2026, depending on customs, Please note that due to high demand, some items may experience longer shipping times, which will be communicated at order confirmation email.
- Order Processing Time: Please allow 2-5 business days for us to process your order before it is shipped . Orders placed after 16:00 on Fridays, or during weekends and public holidays, will begin processing on the next business day. Processing times may be extended during peak seasons or sales events.
- Manufacturing Time: Some products needs manufacturing time, the manufacturing process will take approximately 10-30 business days depending on the product. This timeframe may vary depending on the complexity of the product and current demand. but this will be communicated with you during order confirmation.
- Returns and Exchanges: We offer a 30-day return policy for most items. If you are not completely satisfied with your purchase, you may return it within 30 days of receipt for a refund or exchange. Items must be unused, in their original packaging, and accompanied by proof of purchase. Return shipping costs are the responsibility of the customer, unless the item was damaged or defective upon arrival.
1. What is the primary function of the Huafan HFM-301 NH3 Detector?
The primary function of the Huafan HFM-301 NH3 Detector is to detect ammonia (NH3) gas in industrial environments to ensure the safety of personnel and property.
2. What type of alarm system does the HFM-301 feature?
The HFM-301 features an intelligent sound and light alarm system that promptly notifies operators in case of hazardous gas levels.
3. What is the working voltage range for the device?
The working voltage range for the device is AC110-220V, 50Hz/60Hz.
4. How does the HFM-301 display gas concentration levels?
The HFM-301 uses an LED display for easy monitoring and real-time tracking of NH3 gas levels.
5. What is the size and weight of the HFM-301?
The size of the HFM-301 is 380 x 210 x 83 mm, and it weighs 2.5 kg.
6. Is the HFM-301 compatible with existing systems?
Yes, the HFM-301 is designed for easy integration with existing systems and offers flexible output options.
7. What certifications does the HFM-301 hold?
The HFM-301 is CE, ATEX, and ISO9001 certified, ensuring it meets international safety and quality standards.
8. What type of signal input does the HFM-301 use?
The HFM-301 uses a 4-20mA signal input, providing consistent and accurate readings for gas concentration levels.
9. Can the HFM-301 be used in different environmental conditions?
Yes, the HFM-301 operates efficiently in various conditions, with a temperature range of -10°C to 50°C and humidity levels of 15% to 70% RH (no condensation).
10. What is the response time of the HFM-301?
The response time of the HFM-301 is less than or equal to 8 seconds.
11. Does the HFM-301 support relay switch outputs?
Yes, the HFM-301 supports relay switch outputs and can control external devices like exhaust fans or solenoid valves.
12. Is there a warranty for the HFM-301?
Yes, the HFM-301 comes with a one-year warranty.
13. What are the dimensions of the gas detector that connects to the HFM-301?
The connected gas detector size is 144 x 190 x 74 mm and weighs about 1130 g.
14. How many gas detectors can be connected to the HFM-301?
The HFM-301 can connect to one gas detector.
15. How can the alarm levels be set on the HFM-301?
Alarm levels on the HFM-301 can be preset, and it can be configured for high and low alarm points.
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