The R9454 is the side-on type (UV light enters from the bulb side) having a similar shape to the R2868 UVtron and also offers high sensitivity and a wide field of view (directivity).
Specifications
| Spectral Response (Short) | 185 nm |
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| Spectral Response (Long) | 260 nm |
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| Electrode Material | Ni |
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| Weight | Approx. 1.5 g |
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| [Maximum Rating] Supply Voltage (DC) | 500 V |
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| [Maximum Rating] Average Discharge Current | 1 mA |
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| [Maximum Rating] Peak Current | 30 mA |
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| [Maximum Rating] Operation Ambient Temperature | -0.333333333 ℃ |
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| Discharge Starting Voltage (DC) | 360 V |
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| Discharge Sustaining Voltage (DC) | 300 V |
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| Sensitivitiy Typ. | 4000 min-1 |
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| Background Max. | 10 min-1 |
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| Average Life | 10000 h |
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| [Recommended Operating Parameters] Supply Voltage (DC) | 400 +/- 25 V |
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| [Recommended Operating Parameters] Average Discharge Current | 0.3 mA |
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| [Recommended Operating Parameters] Quenching Time Min. | 2 ms |
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