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Summary of Contents for Scitec 410
- Page 1 MODEL 410 ANALOGUE SINGLE PHASE LOCK-IN AMPLIFIER USER MANUAL Issue 2.6...
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Page 2: Table Of Contents
HOW TO MAKE QUICK MEASUREMENTS HOW TO MAKE ACCURATE MEASUREMENTS Director. JW Smith Ph.D Scitec Instruments Ltd Registered in England No. 1535664 Registered Office Scitec Instruments Ltd Unit 6 Sandown Centre White Horse Business Park Trowbridge BA14 0XD United Kingdom 410 Manual Issue 2-5... -
Page 3: Power Supply
When shipped from the factory the fuse compartment contains two fuses. The inside fuse is the fuse in use, whilst the outside fuse is a spare and can be used to replace the inside fuse if it is blown. 410 Manual Issue 2-5... -
Page 4: Operation
Registered Office Scitec Instruments Ltd Unit 6 Sandown Centre White Horse Business Park Trowbridge BA14 0XD United Kingdom The numbers in brackets refer to the numbers used in Figure 17 at the back of this manual. 410 Manual Issue 2-5... -
Page 5: Input Stage
Director. JW Smith Ph.D Scitec Instruments Ltd Registered in England No. 1535664 Registered Office Scitec Instruments Ltd Unit 6 Sandown Centre White Horse Business Park Trowbridge BA14 0XD United Kingdom Figure 1 - Input Stage Jumper Options 410 Manual Issue 2-5... -
Page 6: Single Ended Dc Coupled Input (Default Setting)
Director. JW Smith Ph.D Scitec Instruments Ltd Registered in England No. 1535664 Figure 3 - Single Ended DC Coupled Input Settings Registered Office Scitec Instruments Ltd Unit 6 Sandown Centre White Horse Business Park Trowbridge BA14 0XD United Kingdom 410 Manual Issue 2-5... -
Page 7: Single Ended Ac Coupled Input
The input stage can also be used as a current input due to the high impedance of the input stage opamps. The current input is converted to a voltage by the 6.8M resistor which has a tolerance of 1%. This mode of 410 Manual Issue 2-5... -
Page 8: Differential Input
Scitec Instruments and is not guaranteed. Ω ||1nF. The input impedance of the lock-in in this mode is 6.8x10 The jumper settings for this mode are given in Figure 7. The equivalent circuit is shown in Figure 8. -
Page 9: Low Impedance Differential Input
Figure 12 - Low Impedance Differential DC Coupled Input Circuit Scitec Instruments Ltd Registered in England No. 1535664 Registered Office Scitec Instruments Ltd Unit 6 Sandown Centre White Horse Business Park Trowbridge BA14 0XD United Kingdom 410 Manual Issue 2-5... -
Page 10: Signal Ground, Case Ground And Earth
Unit 6 Sandown Centre earth by placing the jumper as shown in Figure 14. White Horse Business Park Trowbridge BA14 0XD United Kingdom Figure 14 - Signal Ground Connected to Case and Electrical Earth Jumper Position 410 Manual Issue 2-5... -
Page 11: Signal Ground Isolated From Case And Electrical Earth
50V when in this mode of operation. i. www.scitec.uk.com e. sales@scitec.uk.com Director. JW Smith Ph.D Scitec Instruments Ltd Registered in England No. 1535664 Registered Office Scitec Instruments Ltd Unit 6 Sandown Centre White Horse Business Park Trowbridge BA14 0XD United Kingdom 410 Manual Issue 2-5... -
Page 12: Reference Section
Registered Office Scitec Instruments Ltd Unit 6 Sandown Centre White Horse Business Park Trowbridge BA14 0XD United Kingdom The numbers in brackets refer to the numbers used in Figure 17 at the back of this manual. 410 Manual Issue 2-5... -
Page 13: Demodulator / Output Section
+44 [0]1225 751 542 i. www.scitec.uk.com e. sales@scitec.uk.com Director. JW Smith Ph.D Scitec Instruments Ltd Registered in England No. 1535664 Registered Office Scitec Instruments Ltd Unit 6 Sandown Centre White Horse Business Park Trowbridge BA14 0XD United Kingdom 410 Manual Issue 2-5... -
Page 14: How To Make Quick Measurements
Director. JW Smith Ph.D Scitec Instruments Ltd Registered in England No. 1535664 Registered Office Scitec Instruments Ltd Unit 6 Sandown Centre White Horse Business Park Trowbridge BA14 0XD United Kingdom 410 Manual Issue 2-5... - Page 15 Unit 6 Sandown Centre 0V, one negative reading and one positive reading of the same amplitude. The instrument is now correctly set up and a reading can be White Horse Business Park made. Trowbridge BA14 0XD United Kingdom 410 Manual Issue 2-5...
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Page 16: Manual Issue 2-5 2
-0.85V negative of the positive reading Director. JW Smith Ph.D Scitec Instruments Ltd Registered in England No. 1535664 Registered Office Scitec Instruments Ltd Unit 6 Sandown Centre White Horse Business Park Trowbridge BA14 0XD United Kingdom 410 Manual Issue 2-5... - Page 17 Figure 17 - 410 Front Panel Layout Input Sensitivity Control - Note: It is not possible to rotate the dial directly from 1V to 3µV. BNC Signal Input Connection - Note: Overload protection circuitry begins to come into operation from ±15V.
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