The NOYAFA NF-604 Halogen Gas Detector helps technicians identify potential refrigerant leaks in air conditioning systems, refrigeration equipment, pipe connections, compressors, and other compatible installations.
Its semiconductor sensor detects halogen gases within a specified range of 0–1,000 PPM, with a resolution of 1 PPM. The digital display provides real-time concentration readings, while adjustable alarm limits help users identify when detected concentrations reach specified thresholds.
The flexible gooseneck probe, approximately 250mm long, makes it easier to inspect confined spaces and hard-to-reach areas around cooling coils, pipe joints, and refrigeration components. Its triple alarm system combines sound, visual display alerts, and vibration to help notify the operator when gas is detected.
The NF-604 is a practical diagnostic tool for HVAC technicians, refrigeration engineers, automotive air-conditioning specialists, and industrial maintenance professionals. <Cite refs={[“turn131261search0″,”turn131261search1”]}/>
Key Features
- Wide Detection Range: Measures detected halogen gas concentrations from 0 to 1,000 PPM.
- 1 PPM Resolution: Provides detailed digital concentration readings.
- Semiconductor Sensor: Designed for detecting compatible halogen gases and refrigerants.
- Flexible Gooseneck Probe: Approximately 250mm long for reaching confined inspection areas.
- Triple Alarm System: Audible, visual, and vibration alerts.
- Colour LCD Display: Shows concentration readings and other operating information.
- Adjustable Alarm Limits: Allows high- and low-concentration alarm thresholds to be configured.
- Fast Warm-Up: Approximately 30 seconds before measurement.
- Temperature Monitoring: Measures ambient temperature within its specified operating range.
- Portable Design: Suitable for field servicing and workshop diagnostics. <Cite refs={[“turn131261search0″,”turn131261search4”]}/>
Applications
- Air conditioning leak detection.
- Refrigeration system maintenance.
- Automotive air-conditioning repairs.
- Cold-room and cooling equipment servicing.
- Inspection of compatible refrigerant pipes and connections.
- Industrial refrigeration maintenance.
- Leak detection in compatible systems using halogenated refrigerants.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | NOYAFA |
| Model | NF-604 |
| Product Type | Digital Halogen Gas Detector |
| Detection Range | 0–1,000 PPM |
| Resolution | 1 PPM |
| Sensor Type | Semiconductor sensor |
| Detectable Gases | Compatible halogen gases and refrigerants |
| Refrigerant Families | CFCs, HCFCs and HFCs, subject to sensor compatibility |
| Display | Colour LCD screen |
| Probe Type | Flexible gooseneck |
| Probe Length | Approximately 250mm |
| Warm-Up Time | Approximately 30 seconds |
| Response Time | Less than 30 seconds, as specified |
| Measurement Error | ±5% of full scale for gas detection |
| Alarm Types | Audible, visual and vibration |
| Alarm Settings | Adjustable high and low limits |
| Temperature Measurement | Supported |
| Operating Temperature | −10°C to 50°C |
| Power Supply | 4 × 1.5V AAA batteries |
| Operating Time | More than 6 hours, as specified |
Specifications are based on the manufacturer’s product information and available product documentation. <Cite refs={[“turn131261search0″,”turn131261search1”]}/>
Why Choose the NOYAFA NF-604?
The NOYAFA NF-604 combines digital concentration readings, a flexible inspection probe, and multiple alarm types in one portable instrument. It is designed to make refrigerant leak inspections more convenient for HVAC technicians, refrigeration specialists, and automotive service professionals.
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