英国tti EL301R,EL301R直流稳压电源的详细资料

• Single outputs, 30V/1A, 18V/3.3A, 56V/1.1A, 15V/, 30V/3A
• Single, dual or triple outputs, 30V/2A
• Independent digital voltage and current meters  for each output with 4 digit resolution
• Switchable local or remote sensing
• Constant voltage or constant current operation
• Variable 1.5 - 5.0V auxiliary output at 2A (EL302RT)
• Compact design uses less bench space
• Silent fan-free cooling
• DC output switches, automatic mode indication
• RS232 or USB controlled models available (30V/2A single)

英国tti EL301R,EL301R直流稳压电源：

Precision with Simplicity

• Linear regulated with low ripple and noise
• Single, dual and triple output models
• Constant voltage or constant current
• 4 digit meters with 10mV and 1mA resolution
• Switchable remote sense terminals for perfect regulation at the load
• Silent fan-free cooling
• DC output switch enables voltage/current setup without the load connected
• Safety terminals accept fixed shroud 4mm plugs plus forks and wires
• EL302RT (triple) has auxiliary output of 1.5V to 5V at 2A

英国tti EL301R,EL301R直流稳压电源：

OUTPUT
Voltage/Current Ranges
EL301R	0 to >30V; 0 to >1A (30W nominal power)
EL183R	0 to >18V; 0 to >3.3A (60W nominal power)
EL302R	0 to >30V; 0 to >2A (60W nominal power)
EL561R	0 to >56V; 0 to >1.1A (60W nominal power)
EL155R	0 to >15V; 0 to > (75W nominal power)
EL303R	0 to >30V; 0 to >3A (90W nominal power)
EL302RD	2 x (0 to >30V; 0 to >2A) (120W nominal power)
EL302RT	2 x (0 to >30V; 0 to >2A) plus 1.5 to 5.0V @ 2A (130W nominal power)
Output Setting & Control
Voltage Setting	By coarse and fine controls.
Current Setting	By single logarithmic control
Output Mode	Constant voltage or constant current with automatic cross-over. CC indicator in constant current mode.
Output Switch	Electronic, non isolating. Preset voltage and current limit displayed when Output off.
Output Performance
Ripple & Noise	Typically <1mV rms, (CV mode, 20MHz bandwidth).
Load Regulation	<0.01% of maximum output for a 90% load change (using remote sense)
Line Regulation	<0.01% of maximum output for 10% line change
Transient Response	: <50us to within 50mV of setting for a 5% to 95% load change
Temp. Coefficient (Voltage)	typically <100ppm/°C
Output Protection
Output Protection	Output will withstand forward voltages of up to 20V above rated output voltage. Reverse protection by diode clamp for currents to 3A.
Output Connections
Output Terminals	Universal 4mm safety binding posts on 19mm (0.75") spacing. Terminals can accept fixed shroud 4mm plugs, standard 4mm plugs, fork terminals and bare wires.
Remote Sense
Sense Selection	Voltage sensing is selected as Local or Remote by front panel switch
Sense Terminals	Sprung loaded screw-less terminals

METER SPECIFICATIONS
Display Type	Dual 4-digit meters, 14mm (0.56") LED
Voltage Meter
Resolution	10mV
Accuracy	0.3% of reading +/- 3 digits
Current Meter
Resolution	1mA
Accuracy	0.5% of reading +/- 3 digits

AUXILIARY OUTPUT (EL302RT only)
Voltage	Variable <1.5V to >5V by front panel control
Meter accuracy	0.3% +/- 4 digits
Current limit	2A minimum
Load regulation	<3% for 90% load change
Line regulation	<0.2% for 10% line voltage change
Ripple & Noise	Typically <5mV rms, <15mV pk-pk (20MHz bandwidth)
Output Protection	Output will withstand up to 7V forward voltage. Diode clamp reverse protection for currents up to 3A.
Output Terminals	Universal 4mm safety binding posts on 19mm (0.75") spacing
Status Indication	UNREG lamp

GENERAL
Input
AC Input	230V AC or 115V AC +/- 10%, 50/60Hz. Installation Category II
VA Ratings:
EL301R	85 VA
EL302R, EL302P, EL183R, EL561R	160VA
EL155R, EL303R	250VA
EL302RD, EL302RT	320VA
Temperature & Environmental
Operating Range	+5°C to +40°C, 20% to 80% RH
Storage Range	-40°C to + 70°C
Environmental	Indoor use at altitudes up to 2000m, Pollution Degree 2
Cooling	Silent fan-less convection cooling
Safety & EMC
Safety	Complies with EN61010-1
EMC	Complies with EN61326

PHYSICAL
Size
Single output models	140x160x295 mm (WxHxD)
Dual and triple output models	260x160x295 mm (WxHxD)
Weight
EL301R	3.4kg
EL302R, EL302P, EL183R, EL561R	4.4kg
EL155R, EL303R	5.0kg
EL302RD, EL302RT	7.5kg