Perkinelmer MD982, MD983, MD953, MD962, MD963 Datasheet
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Channel Photomultipliers and Modules
MD Series CPM Modules
Ultra High Sensitivity Gateable Channel
Photomultiplier DC-Modules
T E E H S A T A D
Description
The Channel Photomultiplier DCModule series is designed for all low light applications e.g. in industries, life science or medical analysis, in high energy physics or pure research.
It is an easy to use module, containing the Channel Photomultiplier,
a high voltage power supply, an amplifier with I/U conversion
and an active quenching circuit for high light protection. It is also possible to apply an external gate function. Strong variations in light levels are possible due to the high dynamic range of the installed CPM. The exceptional low noise and high sensitivity facilitates detection of extremely low light levels.
Features
·High dynamic range
·No cooling required
·Very high stability in noise level
·Adjustable gain
·Active quenching
·Circuit for high light protection
·Gateable CPM input (only Bialkali types)
·Optical fiber read-out possible
·5 volts operating voltage
·Monitor voltage output
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w w w. p e r k i n e l m e r. c o m / o p t o
Technical Specifications
MD 900 Series
1/3” DC Photosensor Module
*) Additional models on request
Operating Conditions
Supply voltage |
5 |
V dc |
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Supply current |
< 280 mA |
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Settling time |
< 1s (time to stabilize HV after supply voltage applied) |
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Over-illumination protection: |
active quenching control (internal) |
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Current to voltage conversion factor |
1 |
V/ 20nA (other values on request) |
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Output signal |
0 |
... 10 V dc **) |
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Output offset |
± 3mV |
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Gain |
up to 1 x 108, via internal potentiometer (or by external control voltage |
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0...3 V via ext. OpAmp circuit) |
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Active Quenching Control |
TTL-Pulse, active high, RESET: internal via timer, typ. 1 s, external |
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via 5 V-pulse |
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Frequency bandwidth |
DC to 1 kHz (other values on request, max. 20 kHz) |
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GATE voltage Vgate |
5 |
V: h to l set time Vca to Vch-ent |
+100 V |
: ~ 150 µs |
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5 |
V: l to h set time Vca to Vch-ent |
- 100 V |
: ~ 150 µs |
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High voltage pre-adjusted |
1500 volts |
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Maximum ratings |
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Input voltage |
+5.5 V |
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Operating temperature |
5 to 40 °C |
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**) for long term operation: max. average output voltage of < |
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Storage temperature |
-20 to 50 °C |
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5 V (anode current of <100 nA) is recommended |
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Weight |
~ 350 g |
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Performance Characteristics
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Spectral response |
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Current Amplification vs Control Voltage |
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100 |
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1,E+09 |
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(%) |
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1,E+08 |
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10 |
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C 943 |
C 944 |
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1,E+07 |
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Quantumefficiency |
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C 983 |
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1,E+06 |
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1,E+05 |
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1 |
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C 973 |
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C 972 |
1,E+04 |
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C 922 |
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C 962 |
1,E+03 |
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C 921 |
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C 952 |
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C 982 |
1,E+02 |
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0,1 |
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C 911 |
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C 942 |
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0,9 |
1,4 |
1,9 |
2,4 |
2,9 |
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100 |
200 |
300 |
400 |
500 |
600 |
700 |
800 |
900 |
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Control Voltage / V |
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Wavelength (nm) |
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