QL355英國(guó)tti直流穩(wěn)壓電源,英國(guó)tti QL355：Bench/System High Precision DC Power Supply, Linear Regulation, Digital Control 35V/3A or 15V/, No Interfaces

QL355英國(guó)tti直流穩(wěn)壓電源,英國(guó)tti QL355：
Bench/System High Precision DC Power Supply, Linear Regulation, Digital Control 35V/3A or 15V/, No Interfaces

• Advanced dc power supplies, single or triple output
• Up to 112 watts per output
• Very high precision, very low noise, excellent dynamics
• Advanced user interface with numeric and rotary control
• Multiple voltage/current ranges for increased flexibility
• Multiple non-volatile memories for power supply set-ups
• Switchable remote sense provides perfect load regulation
• Comprehensive protection including OVP and OCP trips
• Compact bench footprint; modular width for rack mounting
• Auxiliary output fully variable 1.00V to 6.00V at 3A with selectable voltage and current metering (T models)
• Bus programmable via USB, RS232, GPIB or LAN (P models)
• LAN interface is LXI compliant
• Duplicate power and sense terminals at rear (P models)

True Linear Regulation with Precision Control The QL Series II is the latest and highest performance linear regulated power supply series from TTi. 

Single and triple output models are available. Each model can be specified with or without digital remote control interfaces. 

Each main output provides more than 100 watts of power, and dual range capability offers higher currents at lower voltages. 

New features include an enhanced auxiliary output with fully variable voltage and higher current capability on T models, and an LXI compliant LAN interface on all P models. 
QL355英國(guó)tti直流穩(wěn)壓電源,英國(guó)tti QL355：

MODEL TABLE
MODEL	OUTPUTS	MAIN OUTPUTS	AUX OUT	MAX POWER	INTERFACES	TERMINALS
QL355	1	0-35V/0-3A or 0-15V/0-	-	105W	-	Front only
QL564	1	0-56V/0-2A or 0-25V/0-4A	-	112W	-	Front only
QL355T	3	2 x 0-35V/0-3A or 0-15V/0-	1-6V/3A	228W	-	Front only
QL564T	3	2 x 0-56V/0-2A or 0-25V/0-4A	1-6V/3A	242A	-	Front only
QL355P	1	0-35V/0-3A or 0-15V/0-	-	105W	RS232/USB/GPIB/LAN	Front/Rear
QL564P	1	0-56V/0-2A or 0-25V/0-4A	-	112W	RS232/USB/GPIB/LAN	Front/Rear
QL355TP	3	2 x 0-35V/0-3A or 0-15V/0-	1-6V/3A	228W	RS232/USB/GPIB/LAN	Front/Rear
QL564TP	3	2 x 0-56V/0-2A or 0-25V/0-4A	1-6V/3A	242A	RS232/USB/GPIB/LAN	Front/Rear

QL355英國(guó)tti直流穩(wěn)壓電源,英國(guó)tti QL355：
TECHNICAL SPECIFICATIONS

MAIN OUTPUT(S)
QL355, QL355P, QL355T, QL355TP
Max. Output Power	105 watts
Output Ranges	Range 1 - 0 to 35V, 0 to 3A Range 2 - 0 to 15V, 0 to Range 3 - 0 to 35V, 0 to 500.0mA
QL564, QL564P, QL564T, QL564TP
Max. Output Power	112 watts
Output Ranges	Range 1 - 0 to 56V, 0 to 2A Range 2 - 0 to 25V, 0 to 4A Range 3 - 0 to 56V, 0 to 500.0mA
All Models
Voltage Setting	By floating point numeric entry or rotary jog wheel; resolution 1mV
Current Setting	By floating point numeric entry or rotary jog wheel; resolution 1mA or 0.1mA depending on range
Setting Accuracy	Voltage - 0.03% ±5mV Current 0.2% ±5mA/0.5mA
Output Mode	Operation in constant voltage or constant current modes with automatic cross-over and mode indication
DC Output Switch	Sets output voltage and current levels to zero when Off
Output Terminals	4mm safety binding post terminals on 19mm (0.75") spacing. Duplicated on rear terminal block (P versions only)
Load Regulation	For any load change, at the output terminals, using remote sense, Voltage <0.01% + 2mV. Current <0.01% + 250μA; <0.01% +50μA on 500mA range. (Add typically 2.5mV for a 0.5V drop in the positive output lead.)
Line Regulation	Voltage <0.01% + 2mV for 10% change.Current <0.01% +250μA; <0.01%+ 50μA on 500mA range
Ripple and Noise	Typically <0.35mV rms CV mode, and <0.2mA rms CI mode (<20μA rms on 500mA range)
Common Mode Noise Current	<4μA rms at 20MHz bandwidth
Transient Response	<20usec to within 15mV of setting for 90% load change
Temperature Coefficient	<(50ppm+0.5mV)/ °C (voltage), <(100ppm+1mA/0.1mA)/°C (current)
Remote Sense	Eliminates up to 0.5V drop per lead. Remote sense operation selected from front panel and indicated by LED
Sense Terminals	Recessed sprung sockets for direct insertion of wires. Duplicated on rear terminal block (P versions only)

QL355英國(guó)tti直流穩(wěn)壓電源,英國(guó)tti QL355：

OUTPUT PROTECTION
Output Protection	Output will withstand forward voltages of up to 20V above rated output voltage. Reverse protection by diode clamp for currents up to 3A
Fault Condition Trip	The output will be shut down if any of the four trip conditions listed below occur. (In addition to the output being set to Off, an isolated rear panel signal is also activated.)
Over Voltage (OVP)	Settable 1V to 40V (QL355) or 60V (QL564) in 0.1V steps
Over Current (OCP)	Settable 0.1A to 5. (QL355) or 4. (QL564) in 0.01A steps
Over Temperature	Monitors internal temperature rise to protect against excess ambient temperature or blocked ventilation slots
Sense Error	Monitors the voltage between the remote sense terminals and output terminals to protect against mis-wiring
Trip Output Signal	Isolated open-collector output signal on rear panel

QL355英國(guó)tti直流穩(wěn)壓電源,英國(guó)tti QL355：

METERING
Display Type	Dual digital displays per output using 14mm (0.56") high brightness LEDs. 5 digits for voltage, 4 digits for current. Update rate 4 per second.
Meter Function	Voltage meter shows set voltage when in CV mode and measured voltage when in CI mode.  Current meter shows measured current when in CV mode and set current when in CI mode.
Limits Display	With the dc output switch set to Off, both meters show the set values (i.e. the limits).  With the output On, either the voltage meter or current meter will show a measured value (depending on the CV/CI mode). Pressing the Limits button will provide a temporary display of the set values.
Watts (VxA) Display	The voltage meter can be made to show the calculated product of voltage and current
Meter Resolution
Voltage	1mV (CV mode) or 10mV (CI mode)
Current	1mA or 0.1mA depending on range
Power	0.01W or 0.001W depending on range
Meter Accuracy
Voltage	0.1% of reading ±10 mV (CI mode)
Current	0.2% of reading ± 0.00 or 0.5mA (CV mode)
Power	0.3% of reading ± 0.05W or 0.005W

QL355英國(guó)tti直流穩(wěn)壓電源,英國(guó)tti QL355：

SETTINGS MEMORIES
Main Output(s)	Up to 50 set-ups per output can be saved and recalled via the keyboard or remote interfaces.
Parameters Stored	Range, Set volts, Set current, OVP, OCP
Recall system	Settings are previewed onto the displays before being actioned
linked Mode	On triple output models when in linked mode, a further set of 50 memories stores and recalls values for both outputs simultaneously
Auxiliary Output	Up to 10 voltage settings can be saved and recalled via the keyboard or remote interfaces

ALARM OUTPUT
Isolated rear-panel open-collector output signal. User can select output to be activated for either OVP, OCP, Overtemperature or Sense miswiring, or for any of those four faults.

link & COPY

(Triple Output Models) Each output can be controlled independently or can be linked. When linked, keyboard and jog wheel control operates on both outputs simultaneously. linked mode can be used to create tracking outputs, or for convenient series or parallel operation of the two outputs. A Copy function is available which copies all of the settings for output 1 to output 2 (Range, Set volts, Set current, OVP, OCP). linked mode can also be used to store the settings for both outputs to a group of common memory stores when simultaneous recall is required. (Note: linked mode can be selected with differing voltage and current settings on the two outputs. However both outputs must be set to the same range.)

AUXILIARY OUTPUT
(Triple Output Models)
Output Voltage	1.00 to 6.00V
Output Current	>3.0 A maximum. LED indication of over-current
DC Output Switch	Sets output voltage level to zero when Off
Setting Accuracy	0.5% ±10mV
Ripple and Noise	<2mV rms, 10mVp-p
Load Regulation	< 1% for 90% load change
Line Regulation	< 0.1% for 10% line change
Meter Accuracy	Voltage 0.5% ±10mV, Resolution 10mV Current 0.5% ±10mA, Resolution 10mA
Output Regulation	Switch-mode down converter
Output Protection	Output will withstand up to 16 V forward voltage. Diode clamped for reverse voltages and 1 Amps reverse current
Output Terminals	4mm safety binding post terminals on 19mm (0.75") spacing. Duplicate screwless terminals at rear (P versions only)

DIGITAL BUS INTERFACES
(P suffix versions only) Full remote control and read-back using RS-232, USB, GPIB or LAN (compliant with LXI class C). All interfaces are at ground potential and opto-isolated from the output terminals
RS-232	Standard 9-pin D connector. Baud rate variable 600 to 19,200
USB	USB 2.0 connection (backwards compatible with USB 1.x). Operates as a virtual COM port
GPIB (IEEE-488)	The interface conforms with IEEE-488.1 and IEEE-488.2
Ethernet (LAN)	Standard 10/100 base-T hardware connection. ICMP and TCP/IP Protocol for connection to Local Area Network or direct connection to a single PC
LXI Compliance	LAN interface is compliant with LXI class C. (LXI is the abbreviation for Lan eXtensions for Instrumentation). For more information visit: www.tti-test.com/go/lxi

DIGITAL PROGRAMMING PERFORMANCE
(P versions only)
Voltage Setting - Main Output(s)
Resolution/Accuracy	1mV / ± (0.03% +5mV)
Current Setting - Main Output(s)
Resolution/Accuracy	0.1mA / ± (0.2% +5mA) or 0.01mA / ± (0.2% +0.5mA) on 500mA range
Voltage Setting - Auxiliary Output (Triple Output Models)
Resolution/Accuracy	10mV / ± (0.5% +10mV)
Programming Speed
Command Delay	Typically <25ms (this must be added to any of the figures below)
Voltage Up Time	<10ms* to 1%
Voltage Down Time	<40ms* to 1% (full load); <0.6s* to 1% (no load)
* The up and down times vary with range and voltage step size. More information is contained in the operating manual

QL355英國(guó)tti直流穩(wěn)壓電源,英國(guó)tti QL355：

DRIVER SOFTWARE SUPPLIED (P versions only)
IVI Driver	An IVI driver for Windows is supplied. This provides support for common applications such as LabView*, LabWindows*, HPVEE* etc.
USB Driver	An installation file is supplied which calls a standard Windows* USB driver.
* LabView and LabWindows are trademarks of National Instruments.  HPVEE (now Agilent VEE) is a trademark of Agilent Technologies.  * USB interface is supported for Windows 2000, XP, Vista and Windows 7. Further versions will be supported as they are released. Windows is a trademark of Microsoft.

KEYBOARD & ROTARY ConTROL
All functions, including the selection and set-up of the remote control interfaces, can be set from the keyboard. The rotary jog control can be used to adjust output voltage and current settings in a quasi-analogue mode.

GENERAL SPECIFICATIONS
AC Input	230V AC or 115V AC ± 10%, 50/60HzInstallation Category II
Input Power	Single - 250VA max. Triple - 500VA max
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	Intelligent variable-speed fan. Over-temperature trip shuts down output if internal temperatures exceed predetermined thresholds.
Safety & EMC
Safety	Complies with EN61010-1
EMC	Complies with EN61326

PHYSICAL
Size
(size excludes feet, knobs and terminals)
Single	140 x 160 (1/3 rack, 4U) x 290mm
Triple	280 x 160 (2/3 rack, 4U) x 290mm
Weight
Single	5.5kg (12lb)
Triple	10.5kg (23lb)

OPTIONS
Rack Mount	RM410 19 inch 4U mount for up to three single output units or one triple plus one single. Blanking plates are supplied for unused sections.

Accuracy specifications apply for the temperature range 18°C to 28°C after one hour warm-up.
Thurlby Thandar Instruments Ltd. operates a policy of continuous development and reserves the right to alter specifications without prior notice.