(h.q.) usa zumbach electronic ag zumbach electronics corp...
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SPECIFICATIONS
Other ZUMBACH companies in Argentina, Belgium, Brazil, China,France, Germany, Great Britain, India, Italy, Spain and Taiwan, plusrepresentatives in more than 40 countries.
Website: www.zumbach.com
19 in. -electronic unit
Impulse Sparktester (DryTesting Unit) for the Insula-tion Test in Extrusion andWinding Processes. Com-plies with MIL and NEMA.
The IST impulse sparktester type consists of acommon electronic unit which is available ascompact unit or as a 19 in. rack, and of variouselectrodes with or without box, depending onthe application.
Chain electrodes are the most common type oftesting electrodes. They provide well definedvoltage distributions and apply the test voltagedirectly to the outer layer of the cable andconductor.Tube electrodes are used when contact be-tween wire and electrode is to be avoided.
The electronic unit contains the high voltagecontrol as well as all monitoring, alarm andcontrol elements.A generator produces an impulse frequency of250 Hz (standard adjustment). A high voltagecoil generates negative needle pulses of defi-ned wave shape (according to standard specifi-cations). The peak voltage can be continuouslyadjusted and is displayed on a calibrated instru-ment. A sensitive filter circuit detects sparkswhich are caused by insulation faults. Thesefault pulses are filtered out by the electronicsand transmitted to the counter.
The impulse sparktester IST can be used uni-versally in extrusion lines, rewind lines, coilwinding machines, in testing stations, etc. Theunit detects insulation faults such as pinholes,very thin insulation or bare patches.All insulating materials for cables can be tested.
Compact unit
Switzerland (H.Q.)Zumbach Electronic AGP.O.BoxCH-2552 OrpundPhone: +41 (0)32 356 04 00Fax: +41 (0)32 356 04 30E-mail: sales@zumbach.ch
USAZumbach Electronics Corp.140 Kisco AvenueMount Kisco, NY 10549-1412Phone: +1 914 241 7080Fax: +1 914 241 7096E-mail: sales@zumbach.comIST 25
Alarm lasts 25 msec.Permanent alarm until cancel buttonis pushed
Dimensions: mm (inch) Dimensions: mm (inch)
Alarm Duration Selectable for Duty Type
ExtrudeRewind
Outputs
1 relay contact for fault alarm220 V, 2 A; 100 VA (ohmic)
Inputs
• Acoustic alarm external on and offcontrol
• External cancellation of the perma-nent alarm
• Counter remote reset (only on the19 in. rack)
• Tacho voltage for automatic adjust-ment of the impulse frequency to
the line speed (rewind speed),max. voltage 200 VAC / 300 VDC
Max. Length of Cable Connecting Electronic Systemto Electrode
98 ft. (30 m)
Power
110/115/220/240 V, 50/60 Hz; 40 VA
Electronic Unit Weight
Compact unit: 9 lbs. (4.1 kg)19 in. rack unit: 11.6 lbs. (5.3 kg)
Electronic Unit(compact configuration = IST 25 and 19 in. rack =IST 25-19)
Voltage Display
Moving coil instrument with twodisplay ranges, 0 - 10 kV and0 - 25 kV, selectable with a selectorswitch
Impulse Voltage (Test Voltage)
0 - 10 kV and 0 - 25 kV, selectable
Impulse Frequency
250 Hz standard adjustment; ad-justable- by hand with a potentiometer- automatically by tacho voltage
Impulse Rise Time
< 75 µsec. (0 - 90%)
Fault Counter
4 digit cumulative electromechanicaldigital counter with manual reset
Maximum Counting Rate
20 faults per second
Fault Resolution
50 msec.
Fault Display
Visual and audible red alarm light,and piezo-electrical acoustic alarm Specifications valid as of 5/89 Subject to technical changes
Tube electrode RE1Dimensions: mm (inch)
Dimensions: mm (inch) Chain electrode KE2
1) K = Bead chains, R = Ionisation tube, B = Brush electrode for flat cable up to a width of 3.5 in. (90 mm) and a height of .2 in. (5 mm), H = Hand-electrode, KR = Tube electrode with chains
2) Line speed v (rewind speed) with which collecting faults according to the standard is possible. Maximum as well as minimum speed is directlyproportionnal to the impulse frequency (adjustable).
3) Electrode only; boxes and stands are to be built by the customers.4) According to MIl and NEMA.
Box
o.G. 3)
o.G. 3)
o.G. 3)
o.G. 3)
KE3
EB4
EB4
EB5
EB5
EB5
EB5
BE1
o.G 3)
Electrode
KE2
RE1.055
RE1.130
RE1.260
KE3.08.052 4)
KE4.30.300
RE4.15.300
KE5.10.100 4)
KE5.10.300 4)
RE5.05.300
RE5.10.300
BE1
HE1
Type 1)
K
KR
KR
KR
K
K
R
K
K
R
R
B
H
Activelength in in.(mm)
3.94 (100)
2.17 (55)
5.12 (130)
10.24 (260)
2.05 (52)
11.81 (300)
11.81 (300)
3.94 (100)
11.81 (300)
11.81 (300)
11.81 (300)
~.39 (10)
~.2 (5)
v ft./min. (m/min.)at 250 Hz 2)
49.2-1640.4 (15-500)
26.3-902.2 (8-275)
65.6-2132.6 (20-650)
131.2-4265.1 (40-1300)
23-853 (7-260)
147.6-4921.3 (45-1500)
147.6-4921.3 (45-1500)
49.2-1640.4 (15-500)
147.6-4921.3 (45-1500)
147.6-4921.3 (45-1500)
147.6-4921.3 (45-1500)
4.9-164 (1.5-50)
Max. cablediameter in in.(mm)
1.18 (30)
.2 (5)
.2 (5)
.2 (5)
.31 (8)
1.18 (30)
~.39 (10)
.39 (10)
.39 (10)
~.12 (3)
~.24 (6)
3.54x.2 (90x5)
~1.18 (30)
Approx.weight inlbs (kg)
4.19 (1.9)
3.97 (1.8)
4.63 (2.1)
5.07 (2.3)
6.83 (3.1)
35.05 (15.9)
35.05 (15.9)
14.12 (6.4)
14.12 (6.4)
14.12 (6.4)
14.12 (6.4)
7.05 (3.2)
3.31 (1.5)
Voltage(kV)
1-15
1-15
1-15
1-15
1-15
1-25
1-25
1-15
1-15
1-15
1-15
1-15
1-15
Electrodes characteristics with specifications
Chain electrodes KE3
Dimensions: mm (inch)
Dimensions: mm (inch) Electrode box EB4
Electrode box EB5
Dimensions: mm (inch) Brush electrode BE1
Dimensions: mm (inch)
Dimensions: mm (inch) Hand electrode HE1
Order number for the available configurations
Cumulative counter
Insulation amplifier
Preselection counter
Preselection counter + Insulation amplifier
* Standard configuration
IST 25 (Compact)
IST.251.21000 *
IST.251.21200
IST.251.23000
IST.251.23200
IST 25-19
IST.251.61000
IST.251.61200
IST.251.63000 *
IST.251.63200
Accessories
Type, version
Stand ST1-EB4/EB5Stand vertically adjustable for EB4 orEB5Line height H = EB4: 35.5 - 47.3 in.(902 - 1202 mm) EB5: 33.7 - 45.5 in.(855 - 1155 mm)Stand ST1-BE1Stand vertically adjustable for BE1Line height H = 35 - 46.9 in.(890 - 1190 mm)Stand ST1-KE3Stand vertically adjustable for KE3Line height H = 35 - 46.9 in.(890 - 1190 mm)
Support AFor the compact electronic unit (canbe added on to ST1).
Order and item number
ST01.510.27600
ST01.510.27610
ST01.510.27620
ST01.510.550
A
FHV1
H
Fine height adjustment FHV1Available for all ST1 stands.
Stand ST2-EB4Stand vertically adjustable for EB4.Line height = 33.1 in. - 46.5 in.(840 - 1180 mm)
Stand ST2-EB5Stand vertically adjustable for EB5.Line height = 31.2 - 44.6 in.(792 - 1132 mm)
Stand ST3-KE3-IST25
Stand ST3-BE1-IST25
Stand ST3-RE1-IST25Stand for electrode with extensionfor electronic unit.Line height H = 19.7 - 45.3 in.(500 - 1150 mm)
Stand ST3-EB5-BE1-IST25Rotatory stand for alternate operationwith EB5 or BE1 electrode, with ex-tension for electronic unit.Line height H = 23.6 - 45.3 in.(600 - 1150 mm)
Distributor box VB1-IST25Allows operations with a mobile HE1electrode and up to 6 fixed electrodes.
Switch box UB1-IST25Allows alternate operations with twoelectrodes.
ST01.040.10000
ST02.510.77510
ST02.510.77500
ST03.510.27500
ST03.510.27510
ST03.510.27520
ST03.510.27600
IST.251.940
IST.251.960
HH
H
• • • •
AE2-19-RK2
ME1
PP 24
SPC1
LOP 1000
Insulation amplifierFor IST 25For IST 25-19 (as adaptation kit)Electrically insulated analogical output0 - 10 V = 0 - 15 kV (resp. 0 - 25 kV).
Optical outputAdaptation kitWith fiber optic connection for inter-ference free transmission to a dataacquisition system or a computer.
Standard 19 in. rack according tothe normFor separate installation of the19 in. electronic.
Printer and dataloggerFor the logging of faults and lengthdata.
PrinterFor the logging of faults and lengthdata.
Marking systemThis system marks the location ofthe sparkover on the cable with afelt tipped pen.
Alarm and relay unitWith optical and acoustic alarm andfault counter.
B.IST.251.1500B.IST.251.8200
B.IST.251.1060
A32 100 0330
00100 00110 1 1024.57
Ordering information
When ordering, please specify the following:• Order number of the electronic unit type• Exact specification of the electrode• Order number of optional accessories and
peripheric material
Please note!Send for documentation on:- Zumbach alternating voltage sparktester, AST type- Zumbach high frequency sparktester, AST-HF type- Zumbach direct voltage sparktester, DST type
Additional reading material:- Guide to Spark Tester # SPAT.009.0002.E- Sparktest for insulating envelopes and cable jackets
# SPAT.050.0001.EIST
25 s
pec E
6/5
/89
Addre
ss u
pd
ate
JA
N.2
003
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