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Tracking Index Test Apparatus

for determination of the proof (PTI) and the comparative (CTI) tracking

indices of solid insulating materials according to DIN EN 60112,IEC 60335-1, IEC

61058-1, IEC 60065, IEC 60669-1, IEC 60884-1, IEC 60950-1, IEC 61010-1, BS 1363,

IEC 60598-1, IEC 60320-1, IEC 60898-1, IEC 60400, IEC 60238, IEC 60730-1, UL746A,

DIN53480, ASTM D 3638-92, VDE 0303, DIN 53480

The tracking is with the CTI value(Comparative Tracking Index) is determined and

with the PTI value (Proof Tracking Index) examined.The CTI value indicates to what

Voltage, the base material is not tracking shows, when 50 drops of a standardized

electrolyte liquid are dropped.

Measured on the surface of the specimen, with a drop every 30 seconds falls

between two platinum electrodes.The functional structure allows, by fine

Adjustment of test voltage, current limit,turn-off time, drop size number of dropsand

accurate tests make. The unit works fully automatic, the control is electronic. The

test voltage can be adjusted up to 1000 V.

Tracking index consist of two units

Power Supply Unit

include voltmeter, ammeter, delay over current relay, power connection line, button

switch and several signal indicators.;

Technical Specification

• Test voltage：0~1000V adjustable;

• Electrodes flat view, 5mm±0.1mm wide,2mm±0.1mm thick, platinum with

minimum purity 99.9%, with 30 °± 2° angle tips at both ends.The tip is about

0.01mm~0.1mm wide;

• Removable Platinum electrodes,convenient for cleaning, grinding purposes or

replacement.Electrode load on sample:1.0±0.05N adjustable,electrode distance

4.0mm±0.01mm,angle 60 ° ± 5 ° the height can be adjusted by adjusting the fulcrum

pin;

• The mass of 50 consecutive drops is 0.997g~1.147g; 20 consecutive drops, the

mass of the drop was 0.380g~0.480g;

Drop height: 30 ~ 40mm adjustable;

Drop size: 44 ~ 55 drops 1g / cm³ adjustable;

Drip precision adjustment knob, precision, 0.1/DIV;

• The voltage drop is less than 8% when the short-circuit current is 1.0 ± 0.1A;

• Control method：One-click operation, touch screen control;

• Supply unit:Voltage display,Current Display,Delayed over-current relay,Power

connection line,button switch and several signal indicators;

• Dropping system:Dropping device,control device,counting device;

• Dropping time: 30s±5s,The number of drops can be set: 0~9999 times;

• When the current effective value is 0.5A, its relative tolerance is ± 10% for

2.00s,When the relative tolerance is ± 10%, the overcurrent device shall cut off the

current and end the test;

• The voltage and current accuracy of the ZERMATT tracking index tester can be 2%;

• Negative pressure drop device,no pipe,detachable,easy to clean.

Accessory

1 pair Platinum electrodes(mounted on apparatus)

1 pcs Test solution A

1 pcs Test solution B

1 pcs. Glass test platform

1 pcs Drip dispenser (mounted on apparatus)

1 pcs Distance Gauge 4mm

1 pcs Scale

1 pcs Glass cup

1 pcs container medithe ammonia chloride solution

漏電起痕測試儀

一、簡介

漏電起痕測試是用于評價固體絕緣材料表面在電場和污染介質聯合作用下

的耐受能力，測定其相比電痕化指數 (CTI ) 和耐電痕化指數 (PTI)；

符合標準要求包括：DIN EN 60112,IEC 60335-1, IEC61058-1, IEC60065,

IEC60669-1, IEC60884-1, IEC60950-1, IEC61010-1, BS1363, IEC60598-1,

IEC60320-1, IEC60898-1, IEC60400, IEC60238, IEC60730-1, UL746A, DIN53480,

ASTM D 3638-92, VDE 0303, DIN 53480。

漏電起痕測試儀是在固體絕緣材料表面，在鉑金電極規(guī)定的距離之間，施加

一電壓并定時 (30s) ，滴下規(guī)定液滴(50 滴)的導電液體，用于評價固體絕緣材

料表面在電場和潮濕或污染介質聯合作用下的耐漏電性能，測定其相比電痕化指

數 (CTI) 和耐電痕化指數 (PTI)。另外設備結構允許通過微調測試電壓、電流

限制、關閉時間、液滴大小和液滴數量進行精確的測試。該裝置為全自動電子控

制，測試電壓最高可以調整到 1000V。

二、漏電起痕測試儀包含兩個系統(tǒng)：

電氣系統(tǒng)：電壓調節(jié)及檢測系統(tǒng)，電流檢測及控制系統(tǒng)，電源開關系統(tǒng)，集成顯

示及操作系統(tǒng)，報警指示系統(tǒng)；

滴液系統(tǒng)：包含滴液壺，滴液噴嘴，滴液計數裝置，滴液控制裝置，滴液體積量

具等；

•可拆卸鉑電極，便于清潔、研磨或更換。電極尺寸，寬 5mm，厚 2mm 厚，純度不低于 99.9%的鉑金，兩端都是 30-60°角的尖頭。

•電極對樣品壓力可調，并能調節(jié)到（1.00N±0.001N）；電極距離 4.0mm±0.01mm，

夾角 60°±5°，可通過調節(jié)支點銷來調節(jié)高度。

•可拆卸滴水裝置，便于清潔。帶電磁閥的滴液器由三個主要部件組成，可簡單

拆卸：電磁閥、溶液瓶和滴嘴。滴液器高度可調節(jié)，滴嘴可拆卸清洗或更換。

•溶液瓶是透明的，以確保內容物清晰可見；它有水平標記，便于操作；也可以

拆卸氣缸進行清潔。

•LED 燈安裝在滴水裝置內，可更輕松地精確調整機械參數

•測試室透明門可進行觀察測試。

•測試室安全保護系統(tǒng)-安全門打開時，測試和高壓輸出會停止。

•樣品臺：樣品臺升降調節(jié)系統(tǒng)，玻璃板，總厚度≥4mm

三、技術參數：

1、設備測試電壓：0~1000V 可調；

2、電壓和電流精度±2 %；

3、電極材料：鉑金電極，純度 99.9%；

4、電極壓力：1.0±0.05N，可調；

5、電極距離：4.0mm±0.01mm，夾角 60°±5；

6、電極電壓：0~1000V (48~60Hz)可調, 短路電流在 1.0±0.1A 時電壓下降小

于 8%；

7、試驗負載根據試驗電壓自動匹配；

8、測試過程顯示電流的實時曲線；

9、滴液高度：30~40mm 可調；

10、滴液大?。?/font>44~55 滴 1g/cm³ 可調；