ARRAY
3721A
Programmable electronic load, 0-40 A, 0-80 V, 400 W, with 4 basic functions(CC, CV, CR, CP) and 8 basic test modes (CCL, CCH, CV, CRL, CRM, CRH, CPV, CPC). It provides an adaptable and functional asset wherever power sources need to be tested. These units are designed to provide high reliability, great performance, and ease of operation with multiple functionality.
The indicated shipment price may vary according to the number of boxes.

Current: from 0 to 40 A
Voltage: from 0 to 80 V

Power: 400 W @ 40° C
Minimum operation voltage @ full scale current: 0.6 V

Constant current mode:
- low range: from 0 to 4 A, resolution 0.1 mA, accuracy 0.1% + 5 mA
- high range: from 0 to 40 A, resolution 1 mA, accuracy 0.1% + 10 mA

Constant voltage mode:
- range: from 0 to 80 V
- resolution: 1 mV
- accuracy: 0.1% + 10 mV

Constant resistance mode:
- low range: 0.2 to 2 Ω, resolution 0.1 mΩ, accuracy 0.5% + 12 mΩ @ I> 4 A
- middle range: 2 to 200 Ω, resolution 8.6 µS, accuracy 0.3% + 1.25 mS @ V> 8 V
- high range 20 to 2000 Ω, resolution 0.96 µS, accuracy 0.3% + 0.625 mS @ V> 8 V

Constant power mode:
- range: 0 to 400 W
- resolution: 1 mW @ P< 100 W / 10 mW @ P≥ 100 W
- accuracy: 0.2% + 600 mW

4 operating modes: constant current, constant voltage, constant resistance, constant power
High-speed sequence, high-speed transient, short-circuit, battery discharge and other auxiliary functions
Minimum operating voltage is less than 0.6 V at the load's full rated current

Optional zero-voltage test accessories are available
Programmable current slew rate
Multiple groups of parameters and sequences can be saved and recalled

Support SCPI (Standard Commands for Programmable Instrumentation) and Labview, and provides necessary PC software

Dimensions: 226 x 110 x 376 mm
Weight: 5.8 kg