UV-3727
https://www.gigahertz-optik.com/en-us/product/uv-3727/

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Gigahertz Optik GmbH

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Description

UV-3727 Irradiance Detector

for 222nm excimer lamps, UVC LEDs and lowpressure Hg lamps
The UV-37 series detectors are specially designed for radiometricmeasurements in the UV spectral region and have been proven inindustrial and scientific use over many years. The UV-3727 model provides
the particular capability of measuring 222nm excimer lamps (Kr-Cl)
typically used for germicidal applications. Additionally, it enables theTypical spectral sensitivity of the UV-3727
detector shown.

measurement of other UVC germicidal source types including low pressure
Hg lamps and UV LEDs.
The UV-3727 detector incorporates a photodiode that has extended deepUV responsivity. Only radiation in the required spectral sensitivity range ismeasured (Figure 2). In addition to its calibration at 222nm, selectablecalibration factors for common UV LED wavelengths and low-pressure Hglamps are included.

Cosine Corrected Field-of-View and Pre-Aged for HighStability

Typical spectral power distribution of Kr-Cl
excimer lamp with filter used forgermicidal applications.

To measure the irradiance, the detector’s entrance optic is a diffuser with acosine field of view, which must be positioned in the desired plane ofmeasurement. The diffuser and photodiode are pre-aged with UV radiation
to significantly reduce the inevitable aging process that results fromexposure to UV radiation. The UV-3727 detector shows very little aging
effects even in intensive use. Any changes are recorded and corrected aspart of the recommended annual recalibration.

Highly Linear Detector
The photodiode of the UV-3727 detector offers a strictly linear relationshipbetween the measurement signal and the irradiance in the range from afew pico amps (10-12 A) to several micro amps (10-6 A). When connected toMobile UV radiometer with separate
measuring device and detector formeasuring irradiance and dose of 222nm
excimer lamps as well as Hg lamps andUVC LEDs.

the Gigahertz-Optik X1-1 meter (Figure 1) it provides a linear measurement
range up to at least 1000 mW / cm² with a resolution of 0.002µW / cm²(@222 nm).

Traceable Calibration
Reliable measurements in absolute units require the calibration of themeasuring device with traceability to national metrological institute (NMI)
standards. Since 1993, the Gigahertz-Optik measuring laboratory has been
accredited as a calibration laboratory by the PTB (Physikalisch-TechnischeGigahertz Optik GmbH

COS response

2/6Bundesanstalt) and the DAkkS (German Accreditation Body) for themeasurement of spectral responsivity and spectral irradiance (DK-15047-01-00). Since then, all factory calibrations have been closely basedon the calibration standards and quality management of the accreditedcalibration laboratory. Therefore, the factory calibrations of GigahertzOptik offer the highest possible level of traceability and are accepted
worldwide.
In accordance with the requirements of individual industrial sectors, partof the calibration laboratory is accredited as a DIN EN ISO / IEC 17025 test
laboratory by the DAkkS (D-PL-15047-01-00). As a result, Gigahertz-Optik
can optionally offer a DIN EN ISO / IEC 17025 test certificate for thecalibration of the X1-1-UV-3727 in addition to the factory certificate.
The UV-3727 detector is calibrated for its spectral responsivity. Whenperforming a measurement, either the 222nm excimer wavelength or thenominal wavelength of the UV-LED or Hg lamp can be selected on the X1-1
meter.

Specifications
GeneralShort description

UV detector for UV-C germicidal sources including excimer, low-pressure Hgand UV LEDs

Main features

Broadband UV detector 200 nm to 310 nm with absolute calibrations at 222 nm, 254 nm and at UVC LED
wavelengths

Measurement ranges

Measuring range from typically 0.002 µW / cm² to 1000 mW / cm² at 222nm

Typical applications

Germicidal irradiance and dose of UVC sources including excimer lamps at 222nm

Calibration

Calibration of the absolute responsivity at 222nm, 254 nm and UV LED wavelengths (220 - 300) nm in 5nm steps.

Specification
Typical responsivity

5.75E-05 A/(W/cm²) @ 254 nm

Housing

37 mm Ø, 27 mm height

Input optics

Cosine corrected, 19.2 mm Ø

Temperature range(5 - 40) °C
temperature coefficient: -0.168 %/°C(*determined with 254 nm lamp)

min. signal current

depends on Optometer

Spectral responsivity

UV 200 nm - 310 nm

Rise time

typ. 880 ns

Miscellaneous

Gigahertz Optik GmbH

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Mountinglateral M6 threaded hole

Plug Types

Four different plug types are available, identified by: -1,-2,-3 and -4. See our description of plug-types
here in the more info section.

Downloads
TypeDescription

File-Type

Download

Drawing

UV-3727

pdf

https://www.gigahertz-optik.com/assets/Uploads/V127892-v2.pdf

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Purchasing information
Article-Nr

ModellDescription

15312682

UV-3727-1

Detector with -1 type connector. Calibration with factory calibration
certificate - UV LED (250 to 300) nm in 5 nm steps and 222 nm, 254
nm

15312346

UV-3727-2

Detector with -2 type connector. Calibration with factory calibration
certificate - UV LED (250 to 300) nm in 5 nm steps and 222 nm, 254
nm

15312062

UV-3727-4

Detector with -4 type connector. Calibration with factory calibration
certificate - UV LED (250 to 300) nm in 5 nm steps and 222 nm, 254
nm

15312064

UV-3727-5

Detector with -5 type connector. Calibration with factory calibration
certificate - UV LED (250 to 300) nm in 5 nm steps and 222 nm, 254
nm15316015

UV-3727-5-V04

Detector with -5 type connector. Calibration with factory calibration
certificate - UV LED (220 to 300) nm in 5 nm steps and 222 nm, 254
nm

ProductCalibration

Gigahertz Optik GmbH4/6

Article-Nr

ModellDescription15315584

KK-UV3727-E-I-V01

Accredited calibration according to ISO 17025.

15312098

K-UV3727-E-S

Calibration of UV-3727 with factory certificate (absolute responsivity
at 222nm, 254 nm and UV LED wavelengths (250 - 300) nm in 5 nmsteps).

15316016

K-UV3727-E-S-V01

Re-calibration

Calibration of UV-3727 with factory certificate (absolute responsivity
at 222nm, 254 nm and UV LED wavelengths (220 - 300) nm in 5 nm
steps).

15312949

KP-UV3727X1-E-I

Option: DIN EN ISO/IEC 17025 Test Certificate (DAkkS) for 254 nm Hglamps. Contact sales team for other wavelength options. In
combination with X1 optometer.

15312948

KP-UV3727P9710-E-I

Option: DIN EN ISO/IEC 17025 Test Certificate (DAkkS) for 254 nm Hg
lamps. Contact sales team for other wavelength options. In
combination with P9710 optometer.

15312947

KKP-UV3727X1-E-I

DIN EN ISO/IEC 17025 Test Certificate (DAkkS) for 254 nm Hg lamps.
Contact sales team for other wavelength options. Includes factory
calibration. In combination with X1 optometer.

15312946

KKP-UV3727P9710-E-I

DIN EN ISO/IEC 17025 Test Certificate (DAkkS) for 254 nm Hg lamps.
Contact sales team for other wavelength options. Includes factory
calibration. In combination with P9710 optometer.

15312791

UV-37xx-Z01

80° Field of View Adapter

15312782

UV-37xx-Z02

Bracket to mount UV-3727 detector head on M6 threads.

Accessories

Gigahertz Optik GmbH

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Contact, Calibration, Service & Support
We are known worldwide for excellent technical consulting and after sales support. Contact us
to find together the best solution for you. Our services:
Technical Consulting & Sales
After-Sales SupportCalibrations & Re-Calibrations (ISO/IEC 17025 Calibration Services, factory calibration,Calibration of Third-Party Products)
Repairs & Updates
OEM & Feasibility Consulting of Customized Solutions
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Gigahertz Optik GmbH (Headquarter)
Tel.: +49 (0)8193-93700-0
Fax: +49 (0)8193-93700-50
info@gigahertz-optik.de
An der Kaelberweide 12
82299 Tuerkenfeld, Germany

Gigahertz-Optik, Inc. (US office)Phone: +1-978-462-1818
info-us@gigahertz-optik.com
Boston North Technology Park
Bldg B - Ste 205
Amesbury, MA 01913 USA

Gigahertz Optik GmbHPowered by TCPDF (www.tcpdf.org)

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