High-stability xenon flashlamps for photometric analysis

FX-711, FX-721 Xenon flashlamp

Light intensity fluctuations are stabilized to enable use as light sources of photometric analysis. The lamps offer life of at least 109 flashes.

Main specifications

Arc length1.5±0.2 mm3±0.3 mm
Light intensity stability3.5% (Max.)3% (Max.)
Wavelength200 to 1100 nm200 to 1100 nm
Trigger type/configurationInternal trigger / 20 mm diameter, 9 pinsInternal trigger / 20 mm diameter, 9 pins
A-K (Anode-Cathode) voltage700 to 1000 V700 to 1000 V
Trigger voltage5 to 7 kVp5 to 7 kVp
Maximum continuous input power10 W10 W
Maximum single input power0.1 Joules0.1 Joules
Maximum flash frequency200 Hz200 Hz
Life (light intensity half-life)1x109 Flashes1x109 Flashes
Dedicated power supply modelSP-1001SP-1001
Trigger packFT-711FT-721
Equivalent productsL4642
Hamamatsu Photonics
Hamamatsu Photonics


This easy-to-use module integrates a power supply with a trigger pack for driving xenon flashlamps.

  • Compatible lamps: FX-711/FX-721 (continuous 10 W input)
  • The product is readily incorporated into equipment using a 12 V DC drive.
  • Flash intensity can be varied within a range of 10% to 100%.
  • Flash frequency can be varied within a range of 10 Hz to 200 Hz.
  • Trigger mode can be set for either internal or external trigger.

Connection of SP-1001 dedicated power supply unit, FT-711 (for FX-711) and FT-721 (for FX-721) dedicated trigger packs

SP-1001 is a dedicated power supply unit designed for use with both FT-711 and FT-721. The trigger pack incorporates resistors, capacitors, and a trigger transformer for driving xenon flashlamps.

Power supply moduleSP-1071SP-1072
Xenon flashlampFX-711FX-721
Dedicated trigger packFT-711FT-721
Dedicated power supplySP-1001SP-1001

Common specifications

Power supplyPower supply: 12 V DC ±10%
Power consumption: max. 20 VA
Ambient conditionsAmbient temperature: 0 to +40°C
Humidity: 30 to 90% RH (no condensation)
Charge/discharge capacitor0.1 μF
Trigger capacitor0.22 μF
Flashlamp inputMax. 10 W
Trigger voltageApprox. 180 V typ
Recharge voltage variation range(V):300 to 1000
INT:Continuously variable using internal adjuster
EXT(V):Continuously variable using 3 to 10 V DC input
Flash frequency rangeInternal trigger mode: Approx. 10 to 200 Hz
External trigger mode: Max. 200 Hz
External trigger signalCurrent signal: Flash at current ON
ON current: 10 to 20 mA
OFF current: Max. 1 mA
Input resistance: 220 Ω
Pulse width: Min. 10 µs
DimensionsSP-1071/SP-1072: 90±1(W)×40±1(H)×125±1(D) mm
Lead wire: 500±20
MassSP-1071/SP-1072/SP-1001: Approx. 500 g
FT-711/FT-721: Approx. 150 g


Inquiry for this product