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Sciencetech 75W Hg

Light Sources

User's Manual

Version 1.1

October 2016

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Summary of Contents for 500-75ST

Page 1: ...Sciencetech 75W Hg Light Sources User s Manual Version 1 1 October 2016 ...

Page 2: ...D UNPACKING 5 3 1 UNPACKING 5 3 2 INCLUDED COMPONENTS 5 4 INSTALLATION AND ALIGNMENT 6 4 1 BULB INSTALLATION PROCEDURE 6 4 2 LAMP REMOVAL 7 5 OPERATING INSTRUCTIONS 8 6 REPLACEMENT OF FUSES 9 6 1 EXTERNAL FUSES 9 6 2 INTERNAL FUSE 9 7 IMPORTANT NOTICE 11 8 WARRANTY AND ASSISTANCE 13 ...

Page 3: ...vorable values of drift and noise are achieved when only the middle part of the light arc is used as the light source The normal operating life for all St lamp types is 1000 hrs with a reduction of the output of max 50 The normal useful operating life can be between 2000 to 4000 hrs St lamps should be mounted with the base down and an inclination from the vertical of less than 20 In DC operation t...

Page 4: ...rrent 0 1A max current range 5 Pre Ignition Voltage 80 V Ripple at Maximum Current 1 mV Stability after Warm Up 0 05 Line Voltage Regulation 0 02 current variation for 5 V line change Display digital LCD Dimensions 5 8 x 9 5 x 14 4 12 9 cm x 20 9 cm x 31 7 cm Weight 9 86 kg IGNITER Model 500 IG75ST Input Voltage Supply Line 80 120V Nom Ignition Voltage 800V Pulses 1KHz Dimensions 3 5 x 2 1 x 5 3 1...

Page 5: ...f the instrument must be returned contact Sciencetech Inc for approval prior to shipping A full description of the reason for return should be included Inspect the exterior of all the units of the light source system for any noticeable defects If any are present contact Sciencetech Inc immediately 3 2 Included Components The packing box should contain the following components Sciencetech ST75 lamp...

Page 6: ...mp are pre assembled The only part to install is the bulb itself which is shipped separately a Remove the lamp shroud carefully by removing the brass thumbscrew at the bottom front and sliding the shroud up over the socket b Note that one socket pin is labelled with a red dot ve and one with a black dot ve In the next step the ve and ve pins on the bottom of the lamp must line up accordingly with ...

Page 7: ...um socket baseplate This shows the lamp with correct polarity mounting d Very carefully replace the copper lamp housing and secure it with the brass screw at the bottom as shown in step a above 4 2 Lamp removal a Remove the copper lamp shroud by unscrewing the one screw holding it see 4 1 a b Release the lamp by gripping the metal at the base pushing it down and rotating counter clockwise c Always...

Page 8: ...dule on the back of the power supply is set to the AC voltage you are using 120VAC or 220VAC To ignite the lamp set the current dial to about 50 its base value and ensuring all the connections are made properly turn the power switch Figure 1 to the ON position When powering off the lamp turn the current dial down to zero The igniter will generate 1 KHz HV pulses to ignite the lamp Normally the ST7...

Page 9: ... Volts and 3 2 Amps Slo Blo carefully pry the grey plastic fuse drawer out of the black Schurter module on the back of the power supply with a small slot screwdriver See image below Replace any blown fuses with the same type only Four spare fuses have been provided with the power supply 6 2 Internal Fuse To access the internal fuse 250Volts 1 5 Amps Fast Blo first remove slide the cover off the po...

Page 10: ...Manual Page 10 of 13 The Internal Fuse holder is a black plastic device on the side of the case just under the cover See the image below Replace a blown fuse with the same type only Two spare fuses have been provided with the power supply ...

Page 11: ...livery receipt and the freight bill or by special form provided by United Parcel or the Post Office The Interstate Commerce Commission has ruled that Transportation Companies will not honor any losses or shortage claims unless exceptions are noted on the freight bill at the time of delivery It is the buyer s responsibility to make a complete inspection immediately upon receipt of purchased goods I...

Page 12: ... charge to cover the expense of shipping re handling transportation refinishing etc providing material is received in good condition transportation charges prepaid credit rendered to be used against future purchases All equipment manufactured by Sciencetech Inc has been subjected to extensive performance and quality control testing In order to constantly improve our product we ask your assistance ...

Page 13: ...l for the specified period Products sold or resold but not manufactured by Sciencetech carry the warranty if any of the original manufacturer We will repair or replace products that prove to be defective during the warranty period or employ our best efforts to effect repair or replacement of equipment sold but not manufactured by Sciencetech No other warranty is expressed or implied We are not lia...

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