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Wide dynamic range PMT unit
H13126_C12918 series
This unit is capable of measuring light levels at one time over a wide dynamic range up to 8 orders of magnitude. This wide dynamic range is achieved by simultaneously extracting a digital output (single photon counting) for detecting very-low-level light and an analog output for detecting low light levels visible to the human eye.
Left : Wide dynamic range PMT module H13126
Right : Data acquisition unit C12918 series
C12918-A1:for JAPAN
C12918-A2:for USA
C12918-A3:for EU
Features
Swift continuous measurement over a wide dynamic range
Up until now, measurement of light requiring a wide dynamic range has used two separate measurement methods: one for lower light levels and one for higher light levels.
Easy-to-use data acquisition unit
Single photon counting output and analog output of the wide dynamic range PMT module are transferred to a PC via USB connection, and the two types of signals are synthesized into one by the supplied software.
Specifications
Wide dynamic range photomultiplier tube module H13126
| Parameter | Description / Value | Unit | |
|---|---|---|---|
| Effective area | φ22 | mm | |
| Spectral response | 300 to 650 | nm | |
| Peak wavelength | 375 | nm | |
| Photon counting | Output signal | C-MOS positive logic (Pulse output) | - |
| Pulse pair resolution | 16 | ns | |
| Dark count (*1) | Below 100 | s-1 | |
| Analog (Amplifier output) | Bandwidth（-3 dB） | DC to 50 / DC to 500 (*2) | kHz |
| Count-to-analog conversion factor | 1 V / 5 × 108 s-1 | - | |
| Output voltage (Load resistance 1 kΩ) | 0 to +10 | V | |
| Output impedance | 50 | Ω | |
| Input voltage | ±14 to ±15.5 | V | |
| Max. input current | +150 / -25 | mA | |
| Operating ambient temperature | +5 to +40 | °C | |
| Weight | 400 | g | |
Notes
*1: After 3 hour storage in darkness
*2: Change with the switch
Data acquisition unit C12918 series
| Parameter | Description / Value | Unit | |
|---|---|---|---|
| Counter | Signal input level | C-MOS positive logic (Pulse input) | - |
| Gate time | 1 μs / 10 μs | - | |
| Input impedance | 50 | Ω | |
| Minimum pulse width | 8 | ns | |
| Counter length | 8 bit / Gate | - | |
| AD converter | Signal input range | 0 to +10 (Analog input) | V |
| Sampling rate | 100 kHz / 1 MHz | - | |
| Resolution | 16 | bit | |
| Input impedance | 1 | kΩ | |
| Trigger | Trigger method | Internal trigger / External trigger | - |
| External trigger signal | TTL negative logic | - | |
| Interface | USB 1.1 | - | |
| Compatible OS | Windowss® Vista Business / 7 Pro | - | |
| Input voltage | AC 100 to AC 240 | V | |
| Operating ambient temperature | +5 to +45 | °C | |
| Weight | 250 (Main body only) | g | |
Typical spectral response
Block diagram
Measurement example
Afterglow characteristics of P43 phosphor
Dimensional outline (Unit mm)
H13126
C12918-A1
- Confirmation
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