Arroyo Instruments ComboPak 685 Series, User Manual

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Page 40 · 685 Series ComboPak User’s Manua l
Specifications
Description Laser Specifications
685-0.1 685-0.5 685-01 685-02
LASER
SETPOINT
LASER CURRENT
Range (mA) 100 500 1000 2000
Max Resolution (mA) 0.005 0.02 0.05 0.1
Accuracy (±[% set+mA])
0.025% + 0.03 0.025% + 0.12 0.025% + 0.3 0.025% + 0.5
Stability (ppm, time) < 10, 1 hour
Temperature Coeff (ppm/°C) 50
Noise/Ripple (
μ
A rms) < 5 < 5 < 10 < 40
Transients ( μ A) < 50 < 100 < 150 < 200
Compliance Voltage (V) 10 3.5
PHOTODIODE CURRENT
Range (
μ
A) 5 – 5,000
Resolution (
μ
A) 0.1
Accuracy (±[% set+ μ A]) 0.05% + 1
Stability (ppm, time) < 200, 24 hours
Temperature Coeff (ppm/°C) < 200
PD Bias (V) -2.5V, fixed
LASER VOLTAGE
Range (
V
) 0 - 10 0 - 3.5
Resolution (
V
) 0.001
Accuracy (±[% set+
V
]) 0.05% + 0.005
Stability (ppm, time) < 50, 1 hour
Temperature Coeff (ppm/°C) < 100
EXTERNAL MODULATION
Input Range 0 – 10V, 10kΩ
Modulation Bandwidth (kHz) 150 100 100 100
MEASUREMENT
LASER CURRENT
Resolution (mA) 0.005 0.02 0.05 0.1
Accuracy (±[% set+mA]) 0.025% + 0.03 0.025% + 0.12 0.025% + 0.3 0.025% + 0.5
LASER VOLTAGE
Resolution (V) 0.001
Accuracy (±[% read+V]) 0.05% + 0.005
PHOTODIODE CURRENT
Resolution (
μ
A) 0.1
Accuracy (±[% read+
μ
A]) 0.05% + 0.5
LIMITS
LASER CURRENT
Resolution (mA) 1
Accuracy (±mA) 2 5 10 20
LASER VOLTAGE
Resolution (V) 0.1
Accuracy (±% FS) 2.5%