tti ex-r系列数字直流稳压电源
power,precision,simplicity
mixedmodewith linear finalregulation
 single,dual and tripleoutputmodels
 currentupto 20a, power up to 420w
 constant voltageorconstantcurrent
 4 digit meters with10mvand1ma (or10ma) resolution
 switchableremotesenseterminals for perfect regulation 
   attheload
 silent fan-free cooling (not ex202r/4210r)
 dc outputswitchenablesvoltage/current setup without 
  the load connected
 safety terminalsacceptfixedshroud 4mm plugs plus 
   forksand wires
 ex354rthasauxiliary output of 1.5v to 5v at5a
technical specifications
output
voltage/currentranges
ex355r - 0 to >35v; 0 to>5a(175wnominal power)
ex1810r - 0 to >18v; 0 to>10a(180wnominal power)
ex2020r - 0 to >20v; 0 to>20a(400wnominal power)
ex4210r - 0 to >42v; 0 to>10a(420wnominal power)
ex354rd - 2 x (0 to >35v; 0to>4a)(280w nominal power)
ex354rt - 2 x (0 to >35v;0to>4a) plus<1.5 to >5.0v @ 5a (305wnominalpower)
outputsetting&control
voltagesetting:bycoarse and fine controls.
currentsetting:bysingle logarithmic control.
outputmode:constantvoltage or constant current with automaticcross-over.ccindicator inconstant current mode.
outputswitch:electronic,non isolating. preset voltage and currentlimitdisplayed when outputoff.
outputperformance
ripple & noise:typically<<spanlang=en-gb>2mv rms,<10mv pk-pk, (ex355r,ex354rd,ex354rt)  cv mode,20mhzbandwidth
.                      typically<2mvrms, <20mv pk-pk (ex1810r,ex2020r,ex4210r)
loadregulation:<0.01%of maximum output for a 90% load change(usingremotesense).
lineregulation:<0.01%of maximum output for 10% linechange.
transientresponse:<<spanlang=en-gb>200us to within 50mvof settingfor a 5% to95% load change.
temp.coefficient:voltage:typically <100ppm/oc.
outputprotection
outputprotection:outputswill withstand forward voltages up to 40v(ex355r,ex354rd,&ex354rt); 22v (ex1810r); 25v (ex2020r); 48v(ex4210r).reverseprotection by diode clamp for currents to3a.
outputconnections
outputterminals:universal4mm safety binding posts on 19mm(0.75)spacing.
terminalscanacceptfixed shroud 4mm plugs, standard 4mm plugs, forkterminalsand barewires.
remotesense
senseselection:voltagesensing is selected as local or remote byfrontpanelswitch.
senseterminals:sprungloaded screw-less terminals.
meterspecifications
displaytype:dual4-digit meters, 14mm (0.56) led.
voltagemeter
resolution:10mv
accuracy:0.3%ofreading +/- 3 digits
current meter (ex355r, ex354rd, ex354rt)
resolution:1ma
accuracy:0.5%ofreading +/- 3 digits
currentmeter(ex1810r,ex2020r, ex4210r)
resolution:10ma
accuracy:0.6%ofreading +/- 3 digits
auxiliaryoutput(ex354rtonly)
voltage:variable<1.5vto >5v by front panel control.
meteraccuracy:0.3%+/- 4 digits.
currentlimit: 5aminimum.
loadregulation:<<spanlang=en-gb>0.5% for 90% loadchange.
lineregulation:<0.1% for10% linevoltage change.
ripple&noisetypically<<spanlang=en-gb>2mvrms,<10mvpk-pk (20mhzbandwidth):
outputprotection:outputwill withstand up to 7v forwardvoltage.
diodeclampreverseprotection for currents up to 3a.
outputterminals:universal4mm safety binding posts on 19mm(0.75)spacing.
statusindication:unreglamp.
general
input
acinput:ex354rd,ex354rt - 110v to 240v 50/60hz(universalinput); othermodels - 230v ac +/- 10%50/60hz; 115v toorder.. installationcategory ii
varatings:ex810r,ex355r - 400va; ex354rd, ex354rt - 500va, ex2020r, ex4210r -800va
temperature&environmental
operatingrange:+5octo +40oc, 20% to 80% rh
storagerange:-40octo + 70oc
environmental:indooruseat altitudes up to 2000m, pollution degree 2.
cooling:ex1810r,ex355r,ex354rd, ex354rt - fan-less convectioncooling; ex2020r,ex4210r - fanassisted usinglow-noise brushless dc fan.
safety&emc
safety:complieswithen61010-1
emc:complieswithen61326
physical
size:singleoutputmodels - 140x160x320 mm (wxhxd). dual and triple outputmodels-260x160x320 mm(wxhxd).
weight:ex810r,ex355r- 3.0kg; ex2020r, ex4210r - 3.6kg; ex354rd, ex354rt - 4.3kg.

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深圳市金启泰电子有限公司
罗拥杰
13923857622
南湾街道下李朗社区平吉大道建昇大厦A613-2