Product Overview
The ACD4100 is an optical refrigerant sensor designed for detecting refrigerant concentration in the air using Non-Dispersive Infrared (NDIR) technology. It offers excellent long-term stability, superior selectivity, and is oxygen-independent. The sensor integrates infrared gas detection technology, precise optical path design, and high-accuracy signal detection circuits to ensure accurate and reliable measurements. It features a fast response and recovery time, strong anti-interference capabilities, and provides a standard digital interface output for convenient data reading and interaction. The ACD4100 is widely applicable in large industrial refrigeration equipment, commercial refrigeration facilities like supermarkets and cold storage, and environmental monitoring stations for refrigerant leak detection.
Product Attributes
- Brand: ASAIR
- Origin: Guangzhou Aosong Electronics Co., Ltd.
- Sensor Type: Optical Refrigerant Sensor
- Technology: Non-Dispersive Infrared (NDIR)
- Default Calibration Mode: Automatic Calibration
- Communication Interfaces: I2C, UART
- Output Signal: Digital (I2C/UART), Alarm Switch Output
- Warranty: 12 months
Technical Specifications
| Parameter | Description |
|---|---|
| Working Voltage | 4.755.25V |
| Working Current | Average current <45mA |
| Typical Power | 100mW @5V |
| Measurement Range | 0~25% LFL (0~36000ppm) |
| Accuracy | 2.5% LFL |
| Preheating Time | 120s |
| Operating Conditions | -3060; 095% RH (non-condensing) |
| Storage Conditions | -3060; 095% RH (non-condensing) |
| Data Refresh Frequency | 2s |
| Service Life | >15 years |
| Alarm Threshold | 3.5% LFL (5000ppm) |
| T63 Response Time | <20s (at 25, 50% RH, 1013mBar) |
| Dimensions | Refer to Figure 4 (Unit: mm, Tolerance 0.5mm) |
| Pin Definitions |
|
| I2C Communication Speed | Max 100kHz |
| UART Baud Rate | 1200 bps |
| UART Data Format | 8 data bits, no parity, 1 stop bit |
2504101957_Aosong-ACD4100_C45354804.pdf
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