Ophir Optronics Ltd QSR Manuel D’Utilisation

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Chapter 1 – Introduction 
 Technical and System Performance Specifications 
Quasar Specifications 
The Quasar technical and system performance specifications are described in 
Table 1-2. 
Table 1-2 Quasar Technical and System Performance Specifications 
Item Quasar 
Specifications 
Specifications for Thermopile and Photodiode heads: 
Measurement range 
Varies according to head in use.  
Refer to the Ophir Laser Power/Energy Measurement, at 
Input range 
15nA to 1.5mA in 16 ranges 
A-to-D sampling rate 
15Hz 
A-to-D resolution 
12 bits plus oversampling, effective resolution approx 15 bits
Electrical accuracy 
±0.25% ±20pA new;  
±0.5% ±50pA after 1 year 
Electrical input noise level 
500nV or 1.5pA +0.0015% of input range @3Hz 
Dynamic range 
9 decades (1:10^9) 
Specifications for Pyroelectric and PD10 heads: 
Measurement range 
Varies according to head in use.  
Refer to the Ophir Laser Power/Energy Measurement, at 
Input range 
0 – 6v full scale 
A-to-D sampling 
500Hz 
A-to-D resolution 
12 bits no sign (0.025%) 
Electrical accuracy 
±0.25% new, ±0.5% after 1 year 
Electrical input noise 
2mV 
Logging rate, Turbo mode 
No Turbo Mode provided 
Logging rate, normal log mode 
Up to 500Hz, every pulse.  
Above 500Hz, at least 300 pulses per second. 
[May vary according to PC CPU speed, Bluetooth connection 
quality, and Bluetooth adapter radio type] 
Log file timestamp precision 
1us (0.001ms) 
Log file timestamp resolution 
1us (0.001ms) 
General Specifications: 
Analog output 
None 
Number of channels 
1 channel 
Dimensions (in mm)  
Approx 96W x 95D x 36H 
Mass  
0.25kg 
 
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