Grass Technologies PS33-Plus Photic Stimulator

Our price:

€1.150,00 Excl. tax
Article number 5650-100-01
Availability: In stock (4)

Grass Technologies PS33-Plus

Refurbished Photic Stimulator. 6 months warranty (Lamp not included).

Scope of delivery:

  • Photic Stimulator
  • Photic Arm
  • Roll Stand
  • Table clamp
  • User Manual


  • Consistent Flash Characteristics: Accurate stimulus parameters
  • Wide Intensity Range: Extended appplications
  • Wide Flash Rates: Provides variable stimulus rates
  • Synchromous inputs/Outputs: Active High/Low TTL inputs/outputs simplify interfacing

Technical data:

  • Flash Mode: Single or repetitive flashes
  • Flash Intensity: 5 steps with ratios of 1,2,4,8,16. 22 lumen sec/ft2 at intensity 16 maximum energy (1.44 joules).
  • Flash Rate: 1 to 60 per second, ‡5% accuracy
  • Flash Duration: 10 uS
  • Flash Tube: Xenon
  • Monitors Front panel monitor light, flashes only when flash lamp lights. Two output pulses suitable for low frequency display devices.
  • Synchronous Inputs: External control of flash rate via TTL level sync pulse. External control of intensity via TTL logic levels.
  • Synchronous Output: TTL level, 20 us pulse for high frequency devices, signal averager, oscilloscope, etc.
  • Power: 115 or 230 VAC, 50/60 Hz, 150 VA maximum

Physical Size:

  • 9.75" W x 5.375" H x 8.1875" D (24.8cm x 13.7cm x 20.8cm)
  • Weight: 12 lbs. (5.4kg)
  • Flash Lamp: 5.375" diameter (13.7cm), 5" depth (12.7cm)
  • Handle: 4" long (10.2cm), 1.25" diameter (3.2cm)
  • Cable Length: 12-foot (3.6m)

Environmental Specifications:

  • Operations: 0 to 40°C, 10 to 90% RH
  • Non-condensing
  • Storage: -20 to 60°C
  • Pressure: 800 to 1,040 hPa


  • 115VAC: Certified to CAN/CSA C22.2
  • No. 1010.1. Conforms to UL3101-1.
  • 230VAC: CE Mark to IEC-1010-1.G

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Used and refurbished lab equipment with warranty. Worldwide shipment.

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