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Current Control (Constant Current Mode)
Control Range: 0 to ±4 A
Compliance Voltage: >5 V
Resolution: 100 µA
Accuracy: ±4.0 mA
Noise Without Ripple(a): <50 µA
Ripple(b): <8 µA
Transients (Typ.): <4 mA
Drift, 24 hours(c): <200 µA
Temperature Coefficient: <50 ppm/°C
Current Limit
Setting Range: 0 to >4 A
Resolution: 100 µA
Accuracy: ±10 mA
Power Control (Constant Power Mode)
Photocurrent Control Range: 50 µA to 20 mA
Photocurrent Resolution: 1 µA
Photocurrent Accuracy: ±20 µA
Analog Modulation Input
Input Resistance: 10 kΩ
Small Signal 3 dB Bandwidth,CC Mode: DC to 30 kHz
Modulation Coefficient, CC Mode: 400 mA/V ± 5%
Modulation Coefficient, CP Mode: 2 mA/V ± 5%
Laser Current Monitor Output
Load Resistance: >10 kΩ
Transmission Coefficient: 2.5 V/A ± 5%
General Data
Safety Features: Interlock, Laser Current Limit, Soft Start, Short Circuit when Laser Off, Open Circuit Detection, Over Temperature Protection
Display: LED, 5 Digits
Connector for Laser, Photodiode, Interlock & Laser On Signal: 9-pin D-Sub Jack
Connectors for Control
Input / Output: BNC
Chassis Ground Connector: 4 mm Banana Jack
Line Voltage / Frequency: 100 V, 115 V, 230 V +15% –10% each / 50 to 60 Hz
Maximum Power Consumption: 100 VA
Mains Supply Overvoltage: Category II (Cat II)
Operating Temperature: 0 to 40°C
Storage Temperature: -40 to 70°C
Relative Humidity: Max. 80% Up to 31 °C, Decreasing to 50% at 40 °C
Pollution Degree (Indoor Use Only): 2
Operation Altitude: <2000 m
Warm-up Time for Rated Accuracy: 10 min
Weight: <3.3 kg
Dimensions (W X H X D) without Operating Elements: 146 mm x 66 mm x 290 mm
Dimensions (W X H X D) with Operating Elements: 146 mm x 77 mm x 320 mm
(a) 10 Hz to 10 MHz, rms, Typical
(b) 50/60 Hz, rms, Typical
(c) 0 - 10 Hz Typical, at Constant Ambient Temperature
All technical data valid at 23 ± 5 °C and 45 ±15% relative humidity.




