ShenzhenYijiajie Electronic Co., Ltd.
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UV TRON R2868 R9454 Used for flame detectors
The R9454 is a side window type (UV light enters from the side of the bulb) and is similar in shape to the R2868 UVtron, with high sensitivity and a wide field of view (directivity).
| Spectral Sensitivity Characteristics (Short) | 185 nm |
| Spectral Sensitivity Characteristics (Long) | 260 nM |
| Discharge Sustain Voltage (DC) | 300 V |
| Background maximum | 10 min-1 |
| [Recommended Operating Parameters] minimum quenching time | 2 ms |
| [Recommended Operating Parameters] average discharge current | 0.3mA |
The R2868 is a UVTRON UV on/off detector that utilizes the photoelectric effect of metals and the multiplication effect of gases. It has a narrow spectral sensitivity of 185 nm to 260 nm and is completely insensitive to visible light. Unlike semiconductor detectors, it does not require a visible cut-off filter, making it very convenient to use.
| Spectral Sensitivity Characteristics (Short) | 185 nm |
| Spectral Sensitivity Characteristics (Long) | 260 nm |
| Electrode material | Ni |
| weight | 1.5g |
| [Maximum Rating] Supply Voltage (DC) | 400 v |
| [Maximum Rating] The average discharge current | 1 mA |