OWH67B Series Bidirectional Programmable DC Power Supply

+ Source/load integrated architecture, Source mode( CC/ CV / CP ) Load mode ( CC / CV / CR / CP )
+ 2U rack-mounted structure, compliant with standard 19-inch cabinet installation
+ Bidirectional power architecture, seamless switching between source and load modes
+ High-precision output (0.05%), supporting a wide power range up to 60V / ±120A / ±1800W
+ Supports battery simulation: built-in 7 high-fidelity battery characteristic models
+ Built-in bleed circuit to ensure no residual high voltage at shutdown
+ Built-in photovoltaic simulation function, supporting SAS models such as EN50530 and Sandia
+ High setting/readback resolution: 10mV/10mA
+ Full digital control integrated with OVP, OCP, OPP protection
+ Supports LAN, RS485, USB communication interfaces, and support SCPI

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Product Introduction

OWH67B

OWH67B-2

OWH67B-5

OWH67B-6

OWH67B-7

Specifications

The instrument must be operated continuously for more than 30 minutes at the specified operating temperature to achieve the following specifications

Model		OWH67B018-60
Rate Output (0℃-40℃)	Output voltage	0 - 60V
	Output current	-120A ~120A
	Output power	-1.8kW-1.8kW
Input	Volt/freq./Curr	100V-240Vac;45Hz-65Hz;13Arms Max
Load regulation (%of output+offset)^[1]	CV	≤0.03% +0.03%FS
Load regulation (%of output+offset)^[1]	CC	≤0.05% +0.05%FS
Line regulation (%of output+offset)	CV	≤0.03% +0.03%FS
Line regulation (%of output+offset)	CC	≤0.05% +0.05%FS
Setting resolution	Volt/Curr	10mV/10mA
Readback resolution	Volt/Curr	10mV/10mA
Setting accuracy	Voltage	≤0.05% +0.05%FS
Setting accuracy	Current	≤0.1% +0.1%FS
Readback accuracy	Voltage	≤0.05% +0.05%FS
Readback accuracy	Current	≤0.1% +0.1%FS
Noise &ripple^[2]	Voltage/Current	≤80mVp-p(Voltage), ≤120mArms(Current )
Temperature drift (0℃-40℃)	Voltage/Current	100ppm/℃(Voltage), 200ppm/℃(Current )
Dynamic (10%-90% rated load)		≤5.0ms
MOV		2.6V@120A
Working temperature		0-40℃
Display		3.95-inch TFT LCD
Interface		USB,LAN,RS485
Dimensions		428mm(W) x 88mm(H) x 446mm(D)
Weight		Approx. 12kg

Voltage regulation is measured at the output remote sense points.

20MHz noise bandwidth; measured at the output terminals with a 10uF electrolytic capacitor and a 0.1µF ceramic capacitor in parallel across the output.

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