Side-on PMT
Photosensor Modules H8249 Series
The H8249 series photosensor modules incorporate a 28-mm (1-1/8")
diameter side-on photomultiplier tube, a high-voltage power supply circuit and
a low noise amplifier. Two types of amplifiers are available with a current-to-
voltage conversion coefficient of 1 V/碌A or 0.1 V/碌A and a frequency
bandwidth of DC to 20 kHz or DC to 200 kHz. Three types of photomultiplier
tubes are provided as standard lineups for general applications in the visible
range, UV to visible range requiring low-noise, and UV to near IR range.
Product Variations
Type No. Spectral Response
Current-to-Voltage
Frequency Bandwidth
Features
Conversion Factor
For general applications in visible range
H8249-001 300 nm to 650 nm
For general applications in UV to visible range
H8249-011 185 nm to 680 nm
1 V/碌A
DC to 20 kHz
High sensitivity in UV to near IR range. Uses photomultiplier
H8249-101 185 nm to 900 nm
tube with meshless grid for excellent uniformity.
For general applications in visible range
H8249-002 300 nm to 650 nm
For general applications in UV to visible range
H8249-012 185 nm to 680 nm
0.1 V/碌A
DC to 200 kHz
High sensitivity in UV to near IR range. Uses photomultiplier
H8249-102 185 nm to 900 nm
tube with meshless grid for excellent uniformity.
Specifications
Parameter
Suffix
Input Voltage
Max. Input Voltage
Max. Input Current
Max. Control Voltage
Recommended Control Voltage Adjustment Range
Effective Area
Sensitivity Adjustment Range
Peak Sensitivity Wavelength
Min.
Luminous Sensitivity
Typ.
Blue Sensitivity Index (CS 5-58)
Red/White Ratio
Radiant Sensitivity *
1
Suffix (with internal 20 kHz amp)
Min.
Luminous Sensitivity *
2
Typ.
Radiant Sensitivity *
1
*
2
Voltage Output Depending Typ.
on PMT Dark Current *
2
*
3
Max.
Max. Output Signal Voltage
Current-to-Voltage Conversion Factor
Suffix (with internal 200 kHz amp)
Min.
Luminous Sensitivity *
2
Typ.
1
*
2
Radiant Sensitivity *
Voltage Output Depending Typ.
on PMT Dark Current *
2
*
3
Max.
Max. Output Signal Voltage
Current-to-Voltage Conversion Factor
Cathode
Anode
Anode
-001 / -002
30
60
7.1
鈥?/div>
60
-001
5.0
脳
10
7
6.0
脳
10
8
600
5
50
-002
5.0
脳
10
6
6.0
脳
10
7
60
0.5
5
Offset Voltage *
2
Typ.
2
*
4
(peak to peak) Max.
Ripple Noise *
Settling Time *
5
Operating Ambient Temperature
Storage Temperature
Weight
H8249 Series
-011 / -012
鹵11.5
to
鹵15.5
鹵18
+50/-1
+1.2 (Input Impedance 100 k鈩?
+0.3 to +1.1
4
脳
20
1: 10
4
400
40
60
6.4
鈥?/div>
60
-011
2.0
脳
10
8
4.0
脳
10
8
400
0.1
2
+10 (Load resistance 10 k鈩?
1
-012
2.0
脳
10
7
4.0
脳
10
7
40
0.01
0.2
+10 (Load resistance 10 k鈩?
0.1
H8249 series
鹵3
4
0.2
+5 to +45
-20 to +50
Approx. 220
-101 / -102
Unit
鈥?/div>
V
V
mA
V
V
mm
鈥?/div>
nm
碌A/lm
鈥?/div>
鈥?/div>
mA/W
V/lm
V/nW
mV
V
V/碌A
140
250
8.0
0.3
74
-101
4.0
脳
10
8
2.5
脳
10
9
740
3
50
-102
4.0
脳
10
7
2.5
脳
10
8
74
0.3
5
V/lm
V/nW
mV
V
V/碌A
mV
mV
s
擄C
擄C
g
*1: Measured at the peak sensitivity wavelength
*2: Control voltage = +1.0 V
*3: After 30 minute storage in darkness
*4: Cable RG-174/U, Cable length 450 mm, Load resistance = 1 M鈩? Load capacitance = 22 pF
*5: The time required for the output to reach a stable level following a change in the control voltage from +1.0 V to +0.5 V.
32
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