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Standard OEM Thermal Sensors

Standard OEM Thermal Sensors

Product catalog summary

Overview of Sensor Models:
The document provides specifications for three sensor models: 20C-SH, 20C-A, and 20C-UAU. These models are categorized as smart sensors, analog OEM sensors, and digital sensors with USB connections, respectively. All models feature broadband absorbers with a spectral range of 0.19 - 20 µm and an aperture of 12 mm.

Power Mode Specifications:

Maximum Power: All models support up to 4W free-standing and 20W with a heat sink.
Minimum Power: 20C-SH and 20C-UAU have a minimum power of 20mW, while 20C-A requires 200mW.
Power Noise Level: Consistent across models at 0.5mW.
Maximum Average Power Density: 23 kW/cm² at 20W and 35 kW/cm² at 4W for all models.
Response Time: Typically 0.8 seconds for all models.
Power Accuracy: +/- 3% at calibrated wavelength.
Linearity with Power: +/- 1%.

Energy Mode Specifications (20C-SH only):

Maximum Energy: 10J.
Minimum Energy: 6mJ.
Energy Accuracy: +/- 5% at calibrated wavelength.
Maximum Energy Density: Varies with pulse duration, e.g., 0.3 J/cm² for <100ns.

Cooling and Output:

Cooling: Conduction for all models.
Output: Varies by model, including Ophir smart plug, 4 pin Molex, and Mini B USB connector.

Dimensions: All models have compact dimensions, with slight variations in height.

Additional Features:

Conduction cooled and spectrally flat.
“A” version provides analog voltage calibrated to power.
“UA” version offers analog or digital RS232 output, with capabilities for measuring power or energy and multiple switchable ranges/wavelengths.
“UAU” version operates via USB terminal of a PC.

Notes:

Maximum power for the analog “A” version is limited by output voltage constraints.
4 pin Molex connections include +Voltage, -Voltage, Analog signal out, and Ground.
Calibration is performed at customer-selected wavelengths.

Catalog excerpts

1.1.5.1 Standard OEM Thermal Sensors 20mW to 20W 20C-UAU 20C-A 1.1.5.1 Sensors Features 20C-SH ֺ ֺ Conduction cooled ֺ ֺ Spectrally flat ֺ ֺ “A” version gives analog voltage calibrated to power ֺ ֺ “UA” version can give analog voltage output or digital RS232 output and can measure power or energy. Can also have multiple switchable ranges and/or multiple switchable wavelengths ֺ ֺ "UAU" version is similar to the UA version but operates via the USB terminal of the PC These specifications refer to standard OEM sensors, and are to be understood as generic, describing sensor families. Ophir will be happy to help you with a specific solution for your particular application. Model 20C-SH 20C-A 20C-UAU Type Smart sensor Analog OEM sensor Features Compact smart sensor Compact, built in amplifier Absorber Type Spectral Range µm Aperture mm Power Mode Maximum power (a) Broadband 0.19 - 20 φ12 Broadband 0.19 - 20 (c) φ12 Digital USB connection digital output Compact, external amplifier board Broadband 0.19 - 20 (c) φ12 4W free standing 20W heat sinked 200mW 0.5mW 23 at 20W 35 at 4W 0.8 3 1 ±5V to ±18V regulated 4W free standing 20W heat sinked 20mW 0.5mW 23 at 20W 35 at 4W 0.8 3 1 Via host USB NA NA NA NA NA NA NA NA NA NA conduction 4 pin Molex (b) 38x38x34mm Consult Ophir representative NA NA NA NA conduction Mini B USB connector 38x38x14mm Consult Ophir representative 4W free standing 20W heat sinked Minimum power 20mW Power Noise Level 0.5mW Maximum Average Power Density kW/cm2 23 at 20W 35 at 4W Response Time (0-95%), typ. (sec) 0.8 Power Accuracy +/-% at calibrated wavelength 3 Linearity with Power +/-% 1 Amplifier power supply (for A, UAU versions) NA Energy Mode Maximum Energy 10J Minimum Energy 6mJ Energy Accuracy +/-% at calibrated wavelength 5 Maximum Energy Density J/cm2 <100ns 0.3 0.5ms 2 2ms 2 10ms 2 Cooling conduction Output Ophir smart plug Dimensions 38x38x14mm Part number Consult Ophir representative Note: (a) Note: (b) Note: (c) 20C-SH With analog “A” version, maximum power is also limited by maximum output voltage where output voltage is at most 2V less than input voltage. 4 pin Molex connections: +Voltage, -Voltage, Analog signal out, Ground Calibrated at customer selected wavelength 20C-A 20C-UAU 49 For latest updates please visit our website: www.ophiropt.com/photonics 01.01.2012

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