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ScienTECH AC2500 Operating Manual

Calorimeter. laser power measurement.
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Thank you for choosing a Scientech Vector™ calorimeter detector. Scientech's employees are pleased to
provide you with a product designed for years of reliable and accurate service. Please read this operating
manual before using your detector and power meter. This reference information will allow you to fully
understand the capabilities of the product. The detector is intended to be used only in the manner outlined
in this manual. Operation not within specifications for the product may cause product damage.
PN9458Q
V
ector
Calorimeter
Laser Power
Measurement
Operating Manual
Series
™

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Summary of Contents for ScienTECH AC2500

  • Page 1 Measurement Operating Manual Thank you for choosing a Scientech Vector™ calorimeter detector. Scientech’s employees are pleased to provide you with a product designed for years of reliable and accurate service. Please read this operating manual before using your detector and power meter. This reference information will allow you to fully understand the capabilities of the product.

  • Page 2: Table Of Contents

    LARGE Calorimeter Operation Without Powre Meter ................15 Operation of Large Aperture Calorimeters with a Digital Volt Meter ..........15 Calibration of Large Aperture Calorimeters ..................16 Scientech Calibration Service ......................... 17 Limited Warranty ............................ 17 Return Material Procedure ........................18 Disposal of Electronic Equipment ......................

  • Page 3: Calorimeter Operating Parameters

    CALORIMETER OPERATING PARAMETERS Calorimeter 1: Calorimeter 2: Model No: Model No: Serial No: Serial No: Calibration Wavelength Calibration Wavelength: Output Sensitivity Output Sensitivity (S): (S): Time Constant sec. Time Constant (1/e): sec. (1/e): Calibration Calibration Temp: °C Temp: Sub. Heater Resistance (R c ): ohms Sub.

  • Page 4: Vector™ Calorimeter Specifications

    Note 14 Precision < 1 % ± 3 % Accuracy Response Time 3 sec when connected to a Scientech power meter in Watts Mode Dimensions DxL - inches 3.75 x 2.2 3.75 x 2.2 3.75 x 3.82 3.75 x 2.2 3.75 x 3.82...
  • Page 5 Note 6: AC25UV, AC50UV Repetitive pulses: 101MW/cm @ 355nm Single pulses: 3.5GW/cm2 @ 355nm Note 7: AC2504, AC5004 125GW/cm @ 1064nm Note 8: AC2500, AC5000 Max J/cm = 1,000 x (pulse width) to a maximum of 200J/cm Note 9: AC25HD, AC50HD Max J/cm...

  • Page 6: Absorption Of Hd Material

    Absorption of HD Material Warning: You must exercise caution when using HD detectors. They exhibit spectral reflection of between 7% and 18%, of the input power, back out of the aperture. Please refer to Figure 1 to determine the reflectance for the wavelength you are measuring. These detectors should be treated as a partial mirror or any other type of reflective optic and the appropriate caution level observed, especially at the CO wavelength.

  • Page 7: Ce Certification

    A 3 meter mini DIN interconnect cable is also included. If you are using a Scientech indicator, connect the calorimeter to the indicator with the interconnect cable. Follow the detailed set up instructions that are in the indicator’s instruction manual.

  • Page 8: Correcting Vector™ Hd Calorimeter Operating Parameters For Use At Different Wavelengths

    266nm if the detector is to be used in the UV region instead of relying on an absorption rate in the chart at the end of this manual. VECTOR™ CALORIMETER OPERATION WITHOUT POWER METER Cable Requirements Vector calorimeters are powered up by the indicators. To use a Vector calorimeter without a Scientech PN9458Q...

  • Page 9: Operation Of Vector Calorimeters With A Digital Volt Meter

    power meter, but with a volt meter, you must apply +/-8Vdc to the mini DIN connector as shown in Figure 2. The voltage output of the calorimeter, from pin 8, should be connected to the positive side of the DVM or chart recorder.
  • Page 10 C. Measure the resistance of the substitution heater making sure to subtract the resistance of the patch cables from the total resistance measurement. Compare this resistance to R c in the calibration data in the front of the manual. The two should agree within 2%. If not contact Scientech. PN9458Q...
  • Page 11 D. Remove the DVM. Connect a power supply to the SUB and HTR test points and connect the DVM to monitor the power supply. E. Connect a second DVM to the output and ground of the Vector calorimeter. F. Apply V h volts, stated in the calibration data you received with the calorimeter, to the substitution heater.

  • Page 12: Vector™ Large Aperture Calorimeter Specifications

    VECTOR LARGE APERTURE CALORIMETER SPECIFICATIONS ™ ™ Table 3. Vector 100mm Aperture Calorimeter Specifications Model 360401 380401 380402 384UV5 Type of Absorber Surface Volume Volume Volume Aperture Diameter 100mm Minimum Beam Diameter .25 - 35μm .193 - .36μm Spectral Response .266 - 1.2µm 9 -11µm Max Average Power...
  • Page 13 Notes for 100 & 200mm Calorimeters: Note 1: 27W/cm @ 1064 nm 380401S 21W/cm @ 532 nm 7.7W/cm @ 355 nm 158mW/cm @ 266nm Note 2: 50W/cm @ 355nm 384UV5S, 388UV5S Note 3: 13.5W/cm @ 1064 nm 380801S 10.5W/cm @ 532 nm 3.85W/cm @ 355 nm 79mW/cm...

  • Page 14: Unpacking And Set Up

    ¾” mounting hole in the body of the large calorimeter. Mount the post to your optical bench or working surface. If you are using a Scientech power meter, connect the calorimeter to the interface module and the interface module to the indicator. Follow the detailed set up instructions that are in the power meter’s instruction manual.

  • Page 15: Large Calorimeter Operation Without Powre Meter

    Figure 4. 100 & 200mm Calibration Heater Connectors LARGE CALORIMETER OPERATION WITHOUT POWRE METER Note: Whenever a large aperture calorimeter is used without an indicator the interface module, which is required to connect the calorimeter to the indicator, is not used. Operation of Large Aperture Calorimeters with a Digital Volt Meter The calorimeters may be used with any digital volt meter (DVM) capable of reading 5 volts full scale.

  • Page 16: Calibration Of Large Aperture Calorimeters

    Compare this resistance to R c in the calibration data in the front of the manual. The two should agree within 2%. If not, contact Scientech. C. Calculate the voltage equivalent to laser power using the following formula:...

  • Page 17: Scientech Calibration Service

    Scientech product specifications for a period of three (3) years. The product warranty period begins on the date of shipment from Scientech. Scientech warrants that its products shall conform to applicable Scientech specifications and drawings and will meet all the functional and performance requirements when properly installed, operated, and maintained in accordance with Scientech’s operating manual.

  • Page 18: Return Material Procedure

    365 days from the date of shipment of the repaired Product. RETURN MATERIAL PROCEDURE Should it become necessary to return any product to Scientech for any reason including calibration, please visit Scientech’s website at www.scientechinc.com to obtain an RMA (returned material authorization) number and complete the form.
  • Page 19 3. Where reuse is not appropriate, electrical and electronic equipment, including batteries, should be recycled according to local ordinances. 4. Waste electrical and electronic equipment should never be mixed with municipal waste. PN9458Q...

  • Page 20: Hd Absorption Vs. Wavelength

    HD ABSORPTION VS. WAVELENGTH Use this table for all standard and slim profile HD model pyroelectric detectors. Wavelength Absorption Wavelength Absorption Wavelength Absorption Wavelength Absorption μm μm μm μm 0.200 93.66 0.480 94.71 0.735 93.99 0.990 93.34 0.210 93.78 0.485 94.75 0.740 94.21...
  • Page 21 Wavelength Absorption Wavelength Absorption Wavelength Absorption Wavelength Absorption μm μm μm μm 1.245 91.78 1.510 91.70 1.775 90.84 2.016 90.87 1.250 91.79 1.515 91.66 1.780 90.86 2.019 91.03 1.255 91.76 1.520 91.58 1.785 90.83 2.020 90.69 1.260 91.75 1.525 91.59 1.790 90.78 2.022...
  • Page 22 Wavelength Absorption Wavelength Absorption Wavelength Absorption Wavelength Absorption μm μm μm μm 2.129 90.76 2.255 90.17 2.390 89.92 2.557 89.30 2.130 90.41 2.258 90.14 2.392 89.92 2.562 89.25 2.132 90.05 2.260 90.11 2.395 89.91 2.567 89.23 2.135 90.41 2.262 90.12 2.396 89.72 2.572...
  • Page 23 Wavelength Absorption Wavelength Absorption Wavelength Absorption Wavelength Absorption μm μm μm μm 2.855 89.26 3.233 88.79 3.725 88.11 4.394 87.66 2.862 89.24 3.241 88.75 3.736 88.10 4.409 87.64 2.868 89.25 3.249 88.75 3.747 88.09 4.424 87.63 2.874 89.23 3.257 88.76 3.758 88.07 4.440...
  • Page 24 Wavelength Absorption Wavelength Absorption Wavelength Absorption Wavelength Absorption μm μm μm μm 5.357 86.95 6.682 86.05 8.879 84.32 13.09 80.67 5.379 86.95 6.717 86.06 8.940 84.27 13.23 80.54 5.401 86.94 6.752 86.07 9.002 84.22 13.36 80.36 5.424 86.90 6.787 86.00 9.065 84.17 13.50...

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