Gossen Metrawatt SPL 400-40 Programmable Electronic Loads (400 W; 0...80 V DC; 0...40 A)

Maximum Power: 400 W at 40 °C

Input Voltage Range: 0 to 80 V DC

Input Current Range: 0 to 40 A

Operating Modes: Constant Current (CC), Voltage (CV), Resistance (CR), and Power (CP)

Minimum Operating Voltage: 0.6 V at full scale current

CC Mode Accuracy: 0.1% + 10 mA (High Range 0...40A)

CV Mode Accuracy: 0.1% + 10 mV (Range 0...80V)

CR Mode Range: 0.02 Ω to 2000 Ω (across three ranges)

CP Mode Accuracy: 0.2% + 600 mW (Range 0...400W)

Current Measurement Accuracy: 0.05% + 8 mA (High Range)

Voltage Measurement Accuracy: 0.1% + 8 mV (Range 0...80V)

Maximum Current Slew Rate: Adjustable from 1 mA/μs to 4 A/μs

Transient Operation: Continuous, pulse, or toggled modes up to 50 kHz

Sequence Functions (List Mode): 10 μs to 100,000 s step rate; up to 50 steps

Battery Discharge Test: Capacity measurement up to 4000 Ah

Short Circuit Test Function: 4.4 A in CCL mode / 44 A in CCH mode

Protection Features: Overvoltage (OV), Overcurrent (OC), Overpower (OP), Overtemperature (OT), and Polarity Reversal (RV)

Trigger Input: TTL falling edge, pulse width ≥ 10 μs

Remote Sensing: Automatic switching to sensing mode via remote sensor sockets

Memory Storage: 10 groups of parameter settings; 7 List storage capacity

Standard Interface: RS 232 port with SCPI support for ATE systems

Mains Input: AC 115 V / 230 V (+10/−15%), 48 to 63 Hz

Dimensions: 213 mm x 104 mm x 391 mm (without rubber protection)

Net Weight: 5.8 kg

Design: Benchtop instrument, also suitable for mounting in a 19" rack

Datasheet