Dieses Produkt ist abgekündigt, bitte kontaktieren sie uns bei Interesse. Eine Alternative ist z.B.:

Dieses Produkt ist abgekündigt, bitte kontaktieren sie uns bei Interesse. Eine Alternative ist z.B.: ISD-5-Si.

Radiometer for Low and Medium Power Lasers

The X93 (Xnine three) meter is a compact lightweight radiometer for the measurement of Laser Power and Laser Power Density in W and W/m² within the wavelength range from 400 to 1100nm.

7mm Diameter Light Detection Area

The detector LP-9901-4 offers a low profile 8mm height housing with 7mm diameter measurement window for the measurement of laser power in mW and power density in mW/m². A 100mm long handle assists safe placement of the detector head in the measurement zone. Its power range varies with wavelength with a maximum of 100mW at 633nm.

50mm Diameter Integrating Sphere

The ISD-5-Si-4 (formerly model LP-9910-4) is built with a compact 50mm diameter integrating sphere with 12.5mm measurement port and a silicon photodiode detector. The +/-45° acceptance angle enables measurement of lasers and laser diodes with dispersed beams and reduces the need for perpendicular alignment of the laser to the detector.

Integrating Spheres Avoids Regular Reflection

The integrating sphere disperses the incoming laser beam which avoids resonance in the laser chamber a problem with plane detectors with reflective surface that can reflect the beam back into the laser chamber.

Traceable Calibration

Both detectors are calibrated for spectral sensitivity from 400 to 1100nm in 10nm wavelength steps as well as for power density. The calibration is traceable to international standards.

Simple to Use

The X93 meter is a handheld battery operated meter with 9 mm high character LCD display for easy viewing. Operating the X93 is simple. Hard-shell case is optionally available.

Custom Labeling Welcome

LP-9901-4 Flat Field Detector
ISD-5-Si-4 Integrating Sphere Detector

Compact size hand-held housing


6 character LCD, Character height 9mm. Indication of measurement quantity in W and W/m², cw or peak measurement mode, stop, battery low


ITT (-4) type connector.


Continuous Mode with Run / Hold function (Snapshot) / Manual & Automatic Gain Selection

CW Integrationszeit

500 ms


0.166 Hz to >300MHz


Menu selected with arrow up and down


Menu selection of radiant power (W) and irradiance (W/cm²)


Via RS232 interface


3 button system


RS232, 9600 Baud, 8 8D pin plug Hirose type 3260-8S1, Power supply option recommended for remote control operation


Operation 5 to 40°C, Storage 0 to 50°C


9V one-piece battery, operating time about 100 hrs
Operation from AC plug-in power supply 230V/50Hz on option by erase of battery

LP-9901-4 1)

Radiant Power and Irradiance detector

spektrale Empfindlichkeit

400 to 1100nm, Wavelength depending sensitivity, Calibration in 10nm increments and the laser wavelength 441, 458, 473, 488, 496, 514, 532, 543, 568, 594, 612,633, 647 and 1064nm

Aktive Fläche

12.7mm diameter

ISD-5-Si-4 1)

Radiant Power detector with 50mm dia integrating sphere




12 month

100mW with 0.00002mW display resolution at 633nm
30mW with 0.00002mW display resolution at 900nm


For more specifications please check the LP-9901 and ISD-5-Si detector datasheet


The measurement range may be limited by the detectors operation temperature

Messbereich NULL
Messverfahren NULL
Typ Beschreibung Datei-Typ Download
Datenblatt X9-3 PDF
Produktname Produktbild Beschreibung Zum Produkt
LP-9901 Messkopf zur Messung der LASER-Strahlungsleistung in W und LASER Bestrahlungsstärke in W/m².

Features: Flaches gehäuse, 7mmØ Empfängerfläche, 400-1100nm, zur Verwendung mit Optometern und Signalverstärkern, Kalibrierzertifikat.
ISD-5-Si Ulbrichtkugel-Detektor für Laser Leistung in W.

Features: 50 mmØ, 12,5 mmØ Messport, BaSO4 Beschichtung, 400 nm - 1100 nm, zur Verwendung mit Optometern und Signalverstärkern, Kalibrierzertifikat

Artikel-Nr Modell Beschreibung Merken / Vergleichen
15295675 X9-3

Meter with battery and manual

15300700 K-X9n-C

Electrical calibration of the X93 meter

15300700 K-LP9901-SD

Calibration of radiant power and irradiance from 400 to 1100nm in 10nm increments, Calibration certificate

new K-ISD5Si-SD

Calibration of radiant power and irradiance from 400 to 1100nm in 10nm increments and additional Laser wavelength, Calibration certificate

15295720 LP-9901-4

Laser power and Irradiance detector, calibration certificate

15295722 ISD-5-Si-4

Laser power detector, calibration certificate

15295289 X9-Z01

RS232 interface adapter cable to connect the X9 meters with 9PIN SUB-D standard sockets on PCs

15295531 X9-Z02

External power supply unit for the X9 meters including meter modification (chancels battery operation)

15296383 X9-Z05

Plug-in power supply for main operation of the X9 optometer. Connected to the RS232 socket of the meter. Prevent the remote control operation via the RS232 interface. 100VAC - 240VAC; 5VDC

15295228 BHO-01

Hard case to carry and store one X9-3 with ISD-5-Si-4

15295239 BH0-05

Hard case to carry and store one X9-3 with LP-9901-4

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