Ophir Optronics Ltd QSR Manual De Usuario
Chapter 1 – Introduction
Technical and System Performance Specifications
Technical and System Performance Specifications
USBI and Pulsar Specifications
The USBI and Pulsar technical and system performance specifications are
described in Table 1-1.
described in Table 1-1.
Table 1-1 USBI and Pulsar Technical and System Performance Specifications
Item
USBI Specification
Pulsar Specifications
Specifications for Thermopile and Photodiode heads:
Measurement range
Varies according to head in use.
Refer to the Ophir Laser Power/Energy Measurement, at
www.ophiropt.com, for full details of each individual head.
www.ophiropt.com, for full details of each individual head.
Input range
15nA to 1.5mA in 16 ranges 15nA to 1.5mA in 16 ranges
A-to-D sampling rate
15Hz
15Hz
A-to-D resolution
17 bits plus sign (0.0009%
resolution)
resolution)
17 bits plus sign
Electrical accuracy
±0.25% ±20pA new;
±0.5% ±50pA after 1 year
±0.5% ±50pA after 1 year
±0.25% ±20pA new;
±0.5% ±50pA after 1 year
±0.5% ±50pA after 1 year
Electrical input noise
level
level
500nV or 1.5pA +0.0015%
of input range @3Hz
of input range @3Hz
500nV or 1.5pA +0.0015% of input
range @3Hz
range @3Hz
Dynamic range
9 decades (1:10^9)
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
www.ophiropt.com, for full details of each individual head.
www.ophiropt.com, for full details of each individual head.
Input range
0 – 6v full scale
0 – 6v full scale
A-to-D sampling
4kHz
>20kHz
A-to-D resolution
12 bits no sign (0.025%)
12 bits no sign (0.025%)
Electrical accuracy
±0.25% new, ±0.5% after 1
year
year
±0.25% new, ±0.5% after 1 year
Electrical input noise 2mV
2mV
Logging rates, Turbo
mode
mode
2kHz every pulse
20kHz, every pulse on all 4 channels
[using USB 2.0]
[using USB 2.0]
Logging rates,
normal log mode
normal log mode
~ 300Hz
~ 1kHz [using USB 2.0; varies according
to PC's CPU speed and number of
channels running]
to PC's CPU speed and number of
channels running]
Log file timestamp
precision
precision
1ms (0.001s)
1us (0.001ms)
Log file timestamp
resolution
resolution
~50ms 1us
(0.001ms)
StarLab User Guide
3