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-VL.

Photometer and Radiometer for Narrow Beam and Fiber Light Sources

The X94 (Xnine four) meter is a compact lightweight photometer and radiometer for the measurement of luminous flux in Lumen (lm) and radiant power in watts (W) with its ISD-5-VL-4* luminous power and SD-5-VISNIR-4** radiant power integrating sphere detectors.

Lumen power measurement of cold light sources (e.g. endoscopes) employing light guides or rigid optics.

The ISD-5-VL-4 luminous flux detector is set-up with a compact 50mm diameter integrating sphere with 12.5mm measurement port. The photodiode detector with precise V(λ) photometric correction filter matches the DIN CIE standard to equal or better than 5% for DIN Class B specification.

Radiant Power measurement of light sources employing light guides or rigid optics.

The ISD-5-VISNIR-4 integrating sphere detector includes a compact 50mm diameter integrating sphere with 12.5mm measurement port and a photodiode detector with radiometric correction filter for the wavelength range from 400 to 1000nm.

Simple to Use Lightmeter

The X94 meter is a handheld battery operated meter with 9 mm high character LCD display for easy viewing. Its high linear current to voltage amplifier offers seven automatically (or manually?) selected gain ranges. The maximum uncertainty within this wide dynamic range is 0.2 %. Operating the X94 is simple. Once set-up all settings are stored and recalled on next power-up unless changed. The meter is operated by a standard 9V battery. An optional BHO-01 hard-shell case is available.

Traceable Calibration

Both detectors and the meter are traceable calibrated to international standards.

Custom Labeling Welcome

* previous model LSM-9901-4
**previous model PRW-0505-4

ISD-5-VL Typical Spectral Responsivity
ISD-5-VISNIR Typical Spectral Responsivity

Compact size hand-held housing


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


ITT (-4) type connector.


Continuous Mode with Run / Hold function (Snapshot), Manual and automatic gain selection

CW Integrationszeit

500 ms


0.166 Hz to >300MHz


Menu selection of luminous flux (lm) and radiant power (W)


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


120mm x 65mm x 22mm / 150g


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


Luminous Flux detector with integrating sphere

spektrale Empfindlichkeit


Aktive Fläche

12.7mm diameter integrating sphere port


Typical 0.0025 to 10,000lm


Radiant power responsivity in A/W with calibration certificate




12 month


The measurement range may be limited by the detectors operation temperature

Messverfahren NULL
Typ Beschreibung Datei-Typ Download
Datenblatt X9-4 PDF
Produktname Produktbild Beschreibung Zum Produkt
ISD-5-VL Ulbrichtkugel-Messkopf für Lichtstrom (lm) von 2π Strahlern.

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

ISD-5-VISNIR Ulbrichtkugel-Messkopf für Strahlungsleistung in W von 2π Strahlern.

Features: 400 nm - 1100 nm radiometrische Empfindlichkeit, 50 mmØ Ulbrichtkugel, 12,5 mmØ Messport, zur Verwendung mit Optometern und Signalverstärkern, Kalibrierzertifikat

Artikel-Nr Modell Beschreibung Merken / Vergleichen
15295676 X9-4

Meter with battery and manual

15300700 K-X9n-C

Electrical calibration of the X94 meter

15300237 K-ISD5VL-I

Calibration of luminous flux responsivity, Calibration certificate

15300248 K-ISD5VISNIR-I

Calibration of radiant power responsivity, Calibration certificate

15295309 ISD-5-VL-4

Photometric integrating sphere detector, calibration certificate

15298317 ISD-5-VISNIR-4

Radiant power integrating sphere 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_4 with ISD-5-VL-4 and ISD-5-VISNIR-4

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