iseg SHQ Series User manual

Technical information
Last changed on: 04.07.2017
SHQ Series
DIGITAL CONTROLLABLE HIGH PRECISION AC DESKTOP HV SUPPLY
•2 - 6 kV / 1 and 2 chann l v rsions
•2 lin display for voltag and curr nt
•RS232 or CAN int rfac
•switchabl polarity
•high pr cision / v ry low rippl and nois
•high r solution: 1nA (opt. 100pA)/100mV (opt. 10mV)
•programmabl voltag ramp
www.iseg-hv.com
Via Acquanera, 29 22100 Como
tel. 031.526.566 (r.a.) fax 031.507.984
[e-mail] www.calpower.it

Table of Contents
Docum nt history............................................................................................................................................................................................ 3
Disclaim r / Copyright.....................................................................................................................................................................................3
Basic Information.............................................................................................................................................................................................3
Saf ty not s......................................................................................................................................................................................................4
1 G n ral information............................................................................................................................................................................................5
1.1 Short d scription.......................................................................................................................................................................................5
1.2 T chnical Data and auxiliary information..............................................................................................................................................5
2 Functional principl .............................................................................................................................................................................................6
2.1 High voltag supply...................................................................................................................................................................................6
2.2 Digital control unit.....................................................................................................................................................................................7
2.3 Filt r.............................................................................................................................................................................................................7
2.4 Floating HV-outputs.................................................................................................................................................................................. 7
3 Op ration..............................................................................................................................................................................................................8
3.1 Front pan l.................................................................................................................................................................................................8
3.2 Pow r Up and op rational conditions....................................................................................................................................................9
3.2.1 Manual control (“CONTROL” in upp r position)........................................................................................................................10
3.2.2 R mot control (“CONTROL” in low r position)........................................................................................................................10
3.2.3 Transition manual control / r mot control..............................................................................................................................11
3.3 Curr nt m asur m nt rang s...............................................................................................................................................................11
3.4 Curr nt m asur m nt rang s and curr nt trip..................................................................................................................................11
3.5 Saf ty functions.......................................................................................................................................................................................11
3.6 Op ration ch ck......................................................................................................................................................................................13
4 App ndix.............................................................................................................................................................................................................14
5 Conn ctors and cabl s.....................................................................................................................................................................................15
6 Acc ssori s......................................................................................................................................................................................................... 15
7 Manufactur r´s contact................................................................................................................................................................................... 16
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Document history
Version Date Major changes
2.0 04.07.2017 R layout d v rsion
Disclaimer Copyright
Copyright © 2017 is g Sp zial l ktronik GmbH / G rmany. All Rights R s rv d.
This docum nt is und r copyright of is g Sp zial l ktronik GmbH, G rmany. It is forbidd n to copy, xtract parts, duplicat for
any kind of publication without a writt n p rmission of is g Sp zial l ktronik GmbH. This information has b n pr par d for
assisting op ration and maint nanc p rsonn l to nabl ffici nt us .
Basic Information
It is strongly r comm nd d to r ad th op rator’s manual b for op ration.
To avoid injury of us rs it is not allow d to op n th unit. Th r ar no parts which can b maintain d by us rs insid of th unit.
Op ning th unit will void th warranty.
Th mains conn ctor is quipp d with basic insulation and a prot ctiv arth conductor. Th unit may only b op rat d with
prot ctiv arth conductor conn ct d.
W d clin all r sponsibility for damag s and injuri s caus d by an improp r us of th modul . It is strongly r comm nd d to
r ad th op rators manual b for op ration.
Th information in this manual is subj ct to chang without notic . W tak no r sponsibility for any rror in th docum nt.
W r s rv th right to mak chang s in th product d sign without r s rvation and without notification to th us rs.
WARNING
WARNING
Violation of guid lin s mark d with „Warning“ can l ad to d ath or s v r injury
CAUTION!
CAUTION
Violation of guid lin s mark d with „Att ntion!“ can l ad to damag s of th unit or th application
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INFORMATION
INFORMATION
Advic s mark d with „Information“ giv important information
Safety notes
CAUTION!
CAUTION
To avoid injury of us rs it is not allow d to op n th unit. B for any op rations on th HV output or th
application, th unit has to b switch d off and discharg of r sidual voltag has to b finish d. D p nding on
application r sidiual voltag s can b pr s nt for long tim p riods. Th s r sidiual voltag s can l ad to s v r
injuri s.
Only acc ssori s which m t th manufactur r’s sp cifications shall b us d. If th quipm nt is us d in a mann r not sp cifi d
by this manual, th prot ction provid d by th quipm nt may b impair d. W d clin all r sponsibility for damag s and injuri s
caus d by an improp r us of th modul .
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1 General information
1.1 Short description
Th modul s of th s ri s SHQ ar d sk top high voltag pow r suppli s which off r output voltag s up to 6 kV for th us in
industry and r s arch.
Main Charact ristics:
•High voltag pow r suppli s with front-pan l op ration and r mot control via s rial int rfac
•Output voltag s with v ry low rippl and nois
•Compact housing with on or two ind p nd nt high voltag sourc s
•Polarity is manually switchabl with switch s on th r ar sid of th housing
•Simultan ous display of curr nt and voltag in a High R solution format on th 2-lin LCD
•Output short circuit and ov rload prot ction
1.2 Technical Data and auxiliary information
SPECIFICATIONS S Q
Singl chann l HV Pow r Supply SHQ 122 SHQ 124 SHQ 126
Dual chann l HV Pow r Supply SHQ 222 SHQ 224 SHQ 226
Output voltag Vnom 2 kV 4 kV 6 kV
Output curr nt Inom 6 mA 3 mA 1 mA
Rippl and nois Typ.: < 2 mVP-P max.: 5 mVP-P
Stability:
[ΔVout vs. ΔVin]< 3 • 10-5
[ΔVout vs. ΔRload]< 5 • 10-5
T mp ratur co ffici nt 30 ppm/K
Voltag
m asur m nt
r solution ADC: 100 mV / 6-digit LCD display
(Option V R: 10 mV for SHQ x22 and x24 only)
accuracy: ± (0,05% VOUT + 0,02% Vnom) for on y ar
Voltag
S ttings
Manual / DAC: 10-turn pot ntiom t r / digital via s rial int rfac
r solution DAC: 100 mV / Option V R: S Q x22M with 30 mV; S Q x24M with 60 mV
Curr nt
m asur m nt
2 rang s / 6-digit LCD display
r solution ADC: Rang mA: Inom ≥ IOUT ≥ 100 µA, R solution: 100 nA
Option 0n1: Inom ≥ IOUT ≥ 10 µA R solution: 100 nA
Accuracy: ± (0,05% IOUT + 0,02% Inom)
Rang µA: 100 µA > IOUT > 20 nA R solution: 1 nA
Accuracy: ± (0,1% IOUT + 20 nA)
Option 0n1: 10 µA > IOUT > 2 nA, R solution: 100 pA
Accuracy: ± (0,05% IOUT + 2 nA)
Valu scop data ar guarant d in th rang of (1% * Vnom) < VOUT < Vnom for on y ar
Voltag Ramp fix d: 500 V/s (at HV-ON/OFF)
variabl : 2 ... 255V/s (at r mot control)
Prot ction hardwar voltag limit (Vmax rotary switch in 10%-st ps)
hardwar curr nt limit (Imax rotary switch in 10%-st ps,
Option IWP: s tting with 10-turn pot ntiom t r ISET)
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INHIBIT ( xt rnal signal, TTL, LOW = activ )
programmabl curr nt trip (s rial int rfac )
Int rfac RS 232-Int rfac (Option CAN: CAN-Int rfac SHQ x→4x)
Lin voltag AC (VIN) 100 VAC .-. 240 VAC / 0,7 – 0,4 A max / 50 – 60 Hz
Fus T 1A L 250V / microfus 5mm x 20mm, 250V / 1AT
Mains conn ction matching us d sock t according IEC 60320 C13 (125V/10A or 250V/16A)
Conn ctors HV output: Vnom rsp. Typ/AMP/Tyco SHV-Conn ctor (225059-3)
INHIBIT: Vmax 5V/1-pin L mo-hub (ERN.00.250.CTL)
RS 232/CAN : Vmax +/-20V/9-pin Sub-D conn ctor
Acc ssori s
s App ndix
HV output: Ros nb rg r SHV coupl r 57K101-006N3 ass mbl d on HV cabl
INHIBIT: LEMO FFA.00.250.CTA, standard cabl 5V
RS 232: custom com rcially availabl RS232 cabl , uncross d, f mal to mal
T mp ratur rang s Op rating: 0 ... +40 °C Storag : -20 ... +60 °C
D sk cas Siz (W/H/D) : (236/100/320) mm3
Furth r nvironm ntal conditions quipm nt is for us in clos d nvironm nt only, maximum altitud of us
2000m, r lativ humidity 20% to 90% (no cond nsation), maximum Polution
d gr l v l 2
R quir m nts for ass mbly, location and
mounting
D sk top pow r supply, backsid fan must not b cov r d (distanc of fan to
any obj ct at l ast 3cm), unit should b plac d clos to an acc ssibl pow r
sock t in ord r to b abl to pull th mains plug or op rat th main switch in
cas of m rg ncy
Cl aning instructions Us a soft, dry, lint-fr cloth to cl an th units xt rior. Avoid g tting moistur in
any op nings. Do not spray any typ of liquid dir ctly on th d vic . Don‘t us
solv nts, a rosol sprays or abrasiv s
Tabl 1: Sp cification
Th built-in options ar mark d on th r ar sid n xt to th typ lab l.
2 Functional principle
Th functional principl is d scrib d in th block diagram, App ndix.
2.1 High voltage supply
For th high voltag g n ration a pat nt d highly ffici nt r sonanc conv rt r circuit is us d, which provid s a sinusoidalvoltag
with low harmonics for th HV-transform r.
For th high voltag r ctification high sp d HV-diod s ar us d. A high-voltag switch, conn ct d to th r ctifi r allows th
s l ction of th polarity.
Th cons cutiv activ HV-filt r damps th r sidual rippl and nsur s low rippl and nois valu s as w ll as th stability of th
output voltag . A pr cision voltag divid r is int grat d into th HV-filt r to provid a f dback voltag for th output
voltag control, an additional voltag divid r suppli s th signal for th maximum voltag monitoring.
A pr cision control amplifi r compar s th f dback voltag with th s t valu giv n by th DAC (r mot control) or th
pot ntiom t r (manual control). Signals for th control of th r sonanc conv rt r and th stabiliz r circuit ar d riv d from th
r sult of th comparison. Th two-stag layout of th control circuit r sults in an output voltag , stabiliz d with v ry high
pr cision to th s t point.
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Wh n switching th High Voltag ON or OFF th voltag chang s ar mad with a fix d s t ramp, which d fin s th maximum
chang rat of th output voltag .
S parat s curity circuits pr v nt xc ding of th front-pan l switch s ttings for th curr nt Imax and voltag Vmax limits. A
monitoring circuit pr v nts malfunction caus d by low supply voltag .
Th int rnal rror d t ction logic valuat s th corr sponding rror signals and th xt rnal INHIBIT signal and chang s th
output voltag according to th s tup. This also allows th d t ction of short ov r curr nts du to singl flashov rs.
2.2 Digital control unit
A micro controll r handl s th int rnal control, valuation and calibration functions of both chann ls.
Th ff ctiv voltag s and curr nts ar r ad cyclically by an ADC with a conn ct d multipl x r. Th r adings ar proc ss d and
display d on th 4 digit LCD. Th curr nt and voltag hardwar limits ar r tri v d cyclically s v ral tim s p r s cond.
A r f r nc voltag sourc provid s a pr cis voltag r f r nc for th ADC and th control voltag for th manual op ration
mod of th unit. In th comput r controll d mod th s t valu s for th corr sponding chann ls ar g n rat d by a 18-Bit DAC.
2.3 Filter
A sp cial f atur of th unit is a tun d filt ring conc pt, which pr v nts p rturbation of th unit by xt rnal l ctromagn tic
radiation, as w ll as th mittanc of int rf r nc s by th modul . A filt ring n twork for th supply voltag s is locat d n xt to
th ir conn ctors, th conv rt r circuits of th individual chann ls ar prot ct d by additional filt rs.
Th high-voltag filt rs ar hous d in individual m tal nclosur s to shi ld v n minimal int rf r nc radiation.
2.4 Floating HV-outputs
Both HV outputs ar r lat d to th sam ground HV-0V (HV-GND), provid d on th out r conn ctor (scr n of HV cabl ) of SHV
conn ctors. Th chann ls can b switch d ind p nd ntly in polarity, th output voltag s, r lat d to HV-0V (HV-GND), ar also
ind p nd ntly controll d.
Th SHV conn ctors ar mount d isolat d to chassis (PE) in ord r to hav a floating HV-0V.
If th floating voltag is incr as d abov 47V a suppr ssor diod conn cts HV-0V to PE (chassis) to avoid dang rous voltag s
b tw n HV-0V and PE/chassis.
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Picture 1: Scheme of potentials

3 Operation
3.1 Front panel
Option IWP: Hardwar curr nt limit with 10-turn pot ntiom t r
Th upp r figur shows th pan l for th SHQ modul in th standard v rsion with 10 p rc nt switch s for voltag and curr nt
limit.
Th front pan l for modul s with option IWP ″Hardwar curr nt limit s tting with 10-turn pot ntiom t r″ is shown in th low r
figur .
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Figure 2: Front panel
Figure 3: Front panel with option IWP

Figure 4: Rear side
Th mains supply (including switch and fus ), a 9-pin Sub-D conn ctor for th RS 232 or CAN int rfac , th HV-outputs and th
polarity switch s ar locat d on th r ar sid .
B for th unit is pow r d th d sir d output polarity must b s l ct d by th rotary switch on th r ar sid . Th s l ct d
polarity is display d by a LED on th front pan l and a sign on th LCD.
CAUTION!
CAUTION
It is not allow d to chang th polarity wh n chann ls ar switch d ON and r sidual voltag is
pr s nt!
INFORMATION
INFORMATION
If th polarity switch s tting is not d fin d (not at on of th nd positions) high voltag cannot b
switch d on.
3.2 Power Up and operational conditions
CAUTION!
CAUTION
It must b nsur d that th air v ntilation slots on th top, r ar and bottom sid of th HV unit ar
not cov r d. A distanc of at l ast 15 mm to oth r obj cts must b provid d.
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Th unit is pow r d up with th mains switch on back pan l. Aft r Pow r Up th unit is initialis d and a bri f function t st of th
hardwar is p rform d. Th display will show manufactur r, s rial numb r, nominal voltag and nominal curr nt.
Aft r a succ ssful function t st th unit is in standby mod .
CAUTION!
CAUTION
If th HV-ON switch is in position “ON” and CONTROL switch is in upp r position
(manual control), at th HV-output on th r ar sid high voltag is g n rat d according to th s t
voltag chos n via th 10-turn pot ntiom t r with a ramp sp d of 500 V/s (hardwar ramp).
INFORMATION
INFORMATION
Aft r pow ring up th d vic on an AC lin voltag of 110 V-AC ± 10% th r is a 10 s d lay until standby
mod !
High voltag output is switch d on with HV-ON switch at th front pan l. This condition is indicat d by th y llow LED abov th
switch.
Furth r control is d p nding on position of th CONTROL switch.
3.2.1 Manual control (“CONTROL” in upper position)
In th manual control mod th output voltag can b s t via 10-turn pot ntiom t r from 0V to th maximum voltag . Th
final position of th pot ntiom t r quals maximum output voltag .
CAUTION!
CAUTION
If th HV-ON switch is switch d into position “ON” and CONTROL switch is in upp r position
(manual control), at th HV-output on th r ar sid high voltag is g n rat d according to th s t
voltag chos n via th 10-turn pot ntiom t r with a ramp sp d of 500 V/s (hardwar ramp).
Th ff ctiv valu s for voltag and curr nt ar indicat d on th two lin display. Th typ of display can b s l ct d by tripping
th switch n xt to th 2 lin LCD display. Voltag s and / or curr nts ar display d with th r solution of voltag - and curr nt
m asur m nt of th corr sponding SHQ s ri s d vic . Th polarity of th output voltag is also indicat d.
3.2.2 Remote control (“CONTROL” in lower position)
If th CONTROL switch is in low r position (DAC), high voltag will b activat d only aft r r c iving corr sponding RS232
commands. Th r ar s v ral commands off ring an nhanc d control in comparison to front pan l control, such as:
•voltag ramp
Th ramp sp d of th output voltag can b chos n in a rang of 2V/s to 255V/s
•curr nt trip
curr nt trip s ts a curr nt thr shold. If th thr shold is r ach d th chann l will b switch d off.
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3.2.3 Transition manual control remote control
In manual control mod th int rnal control voltag is d p nding on th ff ctiv output voltag . Th r for only v ry low voltag
drops occur during transition to r mot control mod .
During transition from r mot control mod to manual control mod , th output voltag will chang to th valu s t with th
voltag control pot ntiom t r with a voltag ramp of 500V/s.
CAUTION!
CAUTION
During transition from r mot control mod to manual control mod , th output voltag will chang to th
valu s t with th voltag control pot ntiom t r with a voltag ramp of 500V/s. This can aff ct th application.
3.3 Current measurement ranges
Each chann l has two curr nt m asur m nt rang s. Th rang can b chos n with th switch lab l d with “mA” and “µA” in th
chann l control fi ld und r th display. In “mA” position, th r is an automatic switching b tw n th curr nt m asur m nt
rang s in cas of crossing of th thr shold. A switching into the lower measurement range will not take place with option
IWP for the case a current limit below the switching threshold is set and this limit already takes effect on the output
current. In position “µA” curr nt m asur m nt will stay in th “µA” rang , in cas of m asur m nts high r than th thr shold
“Ov rflow” will b display d.
3.4 Current measurement ranges and current trip
With th curr nt m asur m nt rang switch it is also chos n which curr nt trip is activ .
•Position „mA“
Th commands Lx and LBx ar activ
•Position „µA“
Th command LSx is activ
3.5 Safety functions
Each chann l has s parat saf ty functions
•Hardwar -voltag limit Vmax
Th maximum output voltag can b s l ct d in 10%-st ps with th rotary switch s Vmax (switch dial d to 10
corr sponds to 100%). Th output voltag is th n limit d to Vmax.
•Hardwar -curr nt limit Imax
Th maximum output curr nt for ach chann l can b s l ct d in 10%-st ps with th rotary switch s Imax (switch
dial d to 10 corr sponds to 100%) D p nding on th position of KILL switch, th unit switch s into curr nt control
mod or th chann l is switch d Off
INFORMATION
INFORMATION
Option IWP: With this Option, th 10 p rc nt switch of Imax is r plac d with a 10-turn pot ntiom t r.
Small r st ps for curr nt limitation ar possibl .
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CAUTION!
CAUTION
A curr nt limit in th upp r m asur m nt rang (“mA”-position) will only tak ff ct down to th low r thr shold
of th rang , i. . down to 100 µA or 10 µA, d p nding on th mod l option. A low r curr nt limit can only b s t
with th switch in th position “µA”.
•xt rnal int rrupt signal INHIBIT
Th INHIBIT signal is low-activ (TTL low l v l or conn ct d to signal GND). If INHIBIT is activ , output voltag is
switch d off imm diat ly. Aft r chang of INHIBIT to TTL high l v l, th b haviour of th output voltag is d p nding
on position of KILL switch. If KILL is disabl d, in manual control mod th valu s t with voltag s t pot ntiom t r will
b r stor d with hardwar ramp (500V/s), in r mot control mod th voltag valu s t via int rfac will b
r stor d with th softwar ramp. If KILL is nabl d, in both mod s th chann l will stay switch d Off.
•Th KILL switch sp cifi s th r spons on xc ding limits or on th xt rnal prot ction signal at th INHIBIT input as
follows
Tabl 2: Ov rvi w KILL function
INFORMATION
INFORMATION
Int rfac Control: If “Autostart” is activat d (s Command List), th voltag ramp is alr ady start d aft r
Status r ad out (command “S1” or “S2”), th Command to start th voltag chang (Command “G1”) is not
n c ssary!
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position switch
KILL
voltag or curr nt limit
xc d d
Inhibit activ voltag and curr nt limit not
xc d d any mor and Inhibit
not activ
ENABLE (switch
in upp r
position)
Output voltag switch d Off
Status = ERR
Output voltag switch d Off
Status = INH
manual control:
Activation of output voltag via
switching of „KILL“ or „HV ON“
r mot control:
Activation of output voltag via
r ad out of „Sx“ and Start of ramp
„Gx“
DISABLE
(switch in low r
position)
limitation of output curr nt,
d p nding on condition
d cr as of output voltag .
Quality of output voltag not
guarant d
Status = QUA
Output voltag switch d Off
Status = INH
manual control: output voltag
r stor d with 500V/s
r mot control:
output voltag r stor d with
softwar voltag ramp

3.6 Operation check
Th corr ct op ration of th modul and th LC display can b v rifi d as follows:
Th “CONTROL”-switch s must b in th upp r position for manual control. For ach chann l turn th 10-turn pot ntiom t r for
VSET by on r volution such that th numb r in vision pan l shows “1” and th circular scal is in position “0”. This s tting
corr sponds to 10% of th nominal Voltag . ISET must b s t to a valu >10%. No cabl s ar conn ct d to th HV-output. Aft r
switching on high voltag with th switch “HV-ON” th y llow LED turns on and a voltag of 10%±1% Vnom is shown in th LCD. Th
r ad LED (“ERROR”) must stay off and th display d valu for th curr nt of th chann l should b b low 0.2% Inom.
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4 Appendix
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Figure 4: Bloc diagram SHQ CAN /RS232 interface

5 Connectors and cables
V CONNECTOR ASSIGNMENTS
Nam SHV S08
Figur
Table 2: Connector and pin assignments
CONNECTORS PART NUMBERS (manufactur r cod / is g acc ssory parts it m cod )
POWER SUPPLY SIDE CABLE SIDE
S V (ROSENBERGER)
Sock t 57S501-200N3 Conn ctor 57K101-006N3 / Z590162
S08 (RADIALL)
Sock t R317.580.00 Conn ctor R317.0500 / Z592474
Table 3: Connectors part number information
CABLE ORDER GUIDE
POWER SUPPLY SIDE
CONNECTOR
CABLE
CODE
CABLE DESCRIPTION LOAD SIDE
CONNECTOR
ORDER CODE
LLL = length in m (*
SHV 04 HV cabl shi ld d 30kV (HTV-30S-22-2) op n SHV_1C04-LLL
S08 04 HV cabl shi ld d 30kV (HTV-30S-22-2) op n S08_1C04-LLL
*) Length building examples: 10cm => 0.1, 2.5m => 2.5, 12m => 012 , 999m => 999
Table 4: Guideline for cable ordering
6 Accessories
Item iseg order number
RS 232 cabl 3m Z200295
LEMO FFA.00.250.CTAC31 Z200793
Pow r Supply Cord HG/TR-SJT3x16AWG-C13M/3,05m Z595088
For mor information pl as us th following download links:
This document
http://download.is g-hv.com/SYSTEMS/AC_DC/SHQ/is g_manual_SHQ_ n_2.0.pdf
CAN Programmers-Guide
http://download.is g-hv.com/SYSTEMS/AC_DC/SHQ/SHQ-CAN-Programm rs-Guid .pdf
RS232 Programmers-Guide
http://download.is g-hv.com/SYSTEMS/AC_DC/SHQ/SHQ-RS-232-Programm rs-Guid .pdf
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7 Manufacturer´s contact
iseg Spezialelektronik Gmb
Bautzn r Landstr. 23
01454 Rad b rg / OT Ross ndorf G rmany
Direct
Fon: [phone]
Fax: [phone]
Internet
www.is g-hv.com
www.is g-hv.d
E-Mail
info @ is g-hv.d
support @ is g-hv.d
sal s @ is g-hv.d
SHQ series |Last changed on: 04.07.2017| www.iseg-hv.com 16 16
Via Acquanera, 29 22100 Como
tel. 031.526.566 (r.a.) fax 031.507.984
[e-mail] www.calpower.it