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The detector head UV-3718 is designed for narrow band UV-C 254 nm radiation sources with distinct 254 nm Peak Emission spectrum. Optical filters are used to shape the bare photodiode response to the desired spectral bandpass. 

Pre-aged Components 

All optical and optoelectronic components of the UV-3718 detector pre-aged by UV-C Radiation for extended long time stability.

Cosine Field-of-View

A cosine F.O.V. characteristic of the detectors spatial responsivity is effected by the diffusor window of UV-3718 detector. The diffursor window is made by UV stable RADIN material. . 

Designed for Wide Dynamic

The UV-3718 detectors is designed for the highest possible irradiance sensitivity for low irradiance level applications. However the wide range linearity of the photodiodes coupled with the Gigahertz-Optik optometers’s wide dynamic signal range amplifiers enable the UV-3718 detector to be used in applications with high irradiances as well. The upper range is limited only by the detector maximum operating current and its specified operation temperature. 

UV-C stable Housing and cable

The UV-3718 irradiance detector is built in a compact 37mm diameter black anodized aluminum housing. A side M6 tapped mounting hole allows the detector be fixed in place 

Traceable Calibrations 

Calibration of irradiance in W/m² and/or W/cm² as well as the detector's relative spectral responsivity is performed at Gigahertz-Optik’s Calibration Laboratory. Beside the regular calibration with spectral broadband reference lamps alternative calibrations with monochromatic or custom type reference lamps can be supplied as an option. The calibration and its traceability are confirmed in the calibration certificate supplied with each detector.

 

Typical Spectral Responsivity
Calibration
Calibration

Calibration of irradiance responsivity in A/(W/m²) using a monochromatic 254 nm reference lamp.

Specification
spectral responsivity UV-C 254 nm
typical responsivity 2 nA/(W/m²)
Max. signal current 50 µA
Input optics 11 mm Ø diffusor window
Input optics Cosine F.O.V.
Housing 37 mm Ø, 32 mm height
Mounting side M6 thread hole
Connector coaxial cable 2 m Long, with BNC (-1), calibration data (-2) or ITT (-4) connector. Flexible metal tube
temperature range

(5 - 40) °C

min. signal current

depends on optometer

Type Description File-Type Download
Datasheet UV-3718 PDF
Produktname Product Image Description Show product
P-9710 High-quality device for measurement of CW-, single pulse and modulated radiation.

Features: Optometer for all detector heads with calibration data plug. Measurement modes: CW, pulse energy, dose, peak-to-peak, effective luminous intensity (Blondel-Rey), data logger, battery, main power, RS232
X1 Four-channel USB optometer designed for mobile use.

Features: Compact device for use with all photometric, radiometric, colorimetric, plant-physiologic and photo-biologic measurement heads from Gigahertz-Optik. USB interface. Battery operation or power supply USB.
X1-RM Optometer in 3HE housing for use in 19” racks.

Features: Its USB and RS232 remote interface and two additional RS232 device interfaces make the device highly flexible when it comes to system integration. Its four signal inputs enable use with all photometric, radiometric, colorimetric, plant-physiologic and photo-biologic measurement heads from Gigahertz-Optik.
X1-PCB Optometer module.

Feature: The X1 optometer is available as a printed circuit board either with or without a housing and is suited for applications that do not require a keyboard or display. Four signal inputs enable connection with all measuring heads from Gigahertz-Optik.
P-2000 Two-channel optometer.

Features: For use with most photometric and radiometric detectors supplied by Gigahertz-Optik. Modes: CW, pulse energy from both single and multiple flashes, effective luminous intensity (Blondel-Rey), data logger and others.
P-9801 Eight-channel optometer.

Features: State-of-the-art 8 channel laboratory optometer with a signal amplifier and sample & hold ADC per channel for clocked recording of the measurement signals. RS232 and IEEE488 interface. Trigger input and output.
P-9802 Light meter for laboratory use with up to 36 measurement heads.

Features: For use with up to 36 photometric and/or radiometric measurement heads. RS232 interface.
TR-9600 High-speed 1µs or 100ns rise time data logger optometer.

Features: Laboratory device for recording of clocked intensity progress readings in single light flashes, flash sequence or modulated light. Calculation of pulse data e.g. peak intensity, pulse length, pulse half width , pulse energy and pulse repeat rate, etc.
P-9202-4 Fast response time trans-impedance signal amplifier.

Features: High quality analogue amplifier with current-voltage conversion. Minimal diode offset voltage for short circuit operations. Bandwidths of up to 330kHZ. 1µs rise time. Large I-U amplification range from 10pA/V to 1mA/V.
P-9202-5 Universal trans-impedance signal amplifier.

Features: High quality analogue amplifier with current-voltage conversion. Minimal diode offset voltage (1mV) for short circuit photodiode operations. 5µs to 20ms rise time depending on the amplification. Large I-U amplification range – 1×10-10A/V to 1×10-3 A/V.
P-9202-6 Highly sensitive trans-impedance signal amplifier.

Features: High quality analogue amplifier with current-voltage conversion with minimal diode offset voltage (0.5mV) for short circuit photodiode operation of . 2.5s to 25s rise time depending on the amplification. Large I-U amplification range – 1×10-11A/V to 1×10-4 mA/V.
X1-PCBC Optometer module.

Feature: The X1 optometer is available as a printed circuit board either with or without a housing and is suited for applications that do not require a keyboard or display. Four signal inputs enable connection with all measuring heads from Gigahertz-Optik.
Article-Nr Modell Description Request / Compare
Product
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Detector head with -1 connector, calibration certificate.

15297127 UV-3718-2

Detector head with -2 connector, calibration certificate.

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Detector head with -4 connector, calibration certificate.

Re-calibration
15300669 K-UV3718-S

Re-calibration of irradiance responsivity in A/(W/m²) at 254nm with calibration certificate.

15300571 K-UV-SR

Re-calibration of the relative spectral responsivity.

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