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20 

常見問題故障及處理

 

若用戶在使用中,發現本機出現一些普通常見問題故障,可參照下表

 

自行進行分析處理:

 

 

問題和故障

 

原因和處置

 

指針無反應,不動

 

表棒是否接觸良好?

 

內部保險管是否

燒斷?

 

內部電池是否正確裝好,並接觸到位?
(參閱有關電池和保險管更換說明)

 

指針指示異常

 

檔位量程是否選擇正確?

 

交流和直流

模式是否使用正確?

 

內部電池是否電量不足?(參閱有關電
錶內部電池檢查說明)

 

指針無法正常歸零

 

內部電池是否接觸良好?是否電量不
足?(參閱有關電錶內部電池檢查說明)
內部機芯處的遊絲是否並圈?可試用力
將本機甩動幾下或在手中拍擊幾下後,
看是否恢復正常。

 

DC10A

檔不能工作

 

表棒是否接觸良好,正確接入?

 

內部

10A

保險管是否裝好或燒斷?

 

(參閱有關保險管更換說明)

 

 

 

 

日常維修

 

維修更換電錶內部電池和保險絲管時,必須將表棒從電錶上移調,並
切斷電源。

 

 1). 1.5V

電池更換:

(

參閱下圖

       

打開電錶後面的下部大支撐架,將下部的電池倉後蓋的鎖扣旋轉

90

度,既可將電池倉後蓋連支撐架卸下,然後從電池座中拿出不好的
電池。再將新的同規格電池放入原位,並注意電池的正負極性。然
後,蓋上後蓋並將鎖扣旋轉

90

度而鎖住。

 

2). 9V

電池更換:

(

參閱下圖

     

打開電錶的上部電池倉後蓋,從電池座中拿出不好的電池。再將新的

Summary of Contents for mt-2017

Page 1: ...MT 2017 Protective Function Analog Multimeter User s Manual 1 st Edition 2015 2015 Copyright by Prokit s Industries Co Ltd...

Page 2: ...bby and home applications SPECIFICATION Safety Category IEC61010 1 CAT II 1000V CAT III 500V and Pollution Degree 2 Common Environment 23 C 5 C less than 75 RH Operating temperature 0 C to 40 C 32 F t...

Page 3: ...t 200 X 100 20 200K Midscale at 2000 X1K 200 2M Midscale at 0K X10K 2K 20M Midscale at 200K 4 of ARC of Scale Length Overload protected by the Oxide Varactor Fuse 250V AC DC 5s Capacitance uF C 2 000u...

Page 4: ...the center of the meter dial to set pointer to Zero mark at the left side of the scale Jack Plug in connector at the lower left on the panel for black negative test lead Jack Plug in connector at the...

Page 5: ...before making any measurement 2 Never apply more voltage or current than the rated value in every position 3 When the voltage or current to be measured it not known always start with the highest range...

Page 6: ...itch to the appropriate DCV range to be used 2 Connect the BLACK test lead to the COM jack and the RED test lead to the jack 3 If you know the polarity of the circuit to be tested connect the black pr...

Page 7: ...oss the circuit or load under measurement Polarity of the test probes is unimportant on ACV test 2 Connect the BLACK test lead to the COM jack and the RED test lead to the jack 3 Check the needle posi...

Page 8: ...tor switch to the appropriate range to be used 2 Connect the BLACK test lead to the COM jack and the RED test lead to the Red jack 3 Short the leads by touching the probes together Pointer should read...

Page 9: ...Red probe to the Negative terminal of the Diode For IR reverse current test reverse the connection 3 Read the value IF or IR of the diode on the LI scale 4 Read the linear forward voltage VF of the d...

Page 10: ...r testing is lighting Battery Check 1 This meter comes with two separate battery check ranges to test either DC 1 5V or 9V batteries 2 Set the selector switch to the appropriate BATT range to be used...

Page 11: ...OTE For absolute dB measurements circuit impedance must be 600 Ohm 0 dB 1mw dissipated in a 600 Ohm impedance equivalent to 0 755V across 600 Ohm ACV RANGE ADD dB Number 50 14 250 28 1000 40 Capacitan...

Page 12: ...o measurements possible via V mA socket Is the fuse defective Check the fuse 0 5A fuse replacement No measurements possible via 10A socket Is the fuse defective Check the fuse 10A fuse replacement No...

Page 13: ...f the battery compartments 4 Replace the battery cover and turn the lock by 90 degree again to tighten the battery cover 9V Battery Pls see the Picture below for reference 1 This tester uses One 9V ba...

Page 14: ...melt fuses and install the new fuses into their original places The 0 5A 250V fuse is at the left side and 10A 250V fuse at the right side 4 Replace the battery cover and turn the lock by 90 degree a...

Page 15: ...5V CE 10A LED 2000uF Max DC20Kohm V AC 9Kohm V 0 1 2 5 10 50 250 1000V 5V 25V 50 A 2 5m 25m 250mA 10A 10 50 250 1000V 1 10 100 1K 10K 1 5 9V C RX1K Max 2 000 uF 23 C 5 C 75 RH 0 C 40 C 90 RH 10 C 50 C...

Page 16: ...0V 40 10KHz 9K V Max 1000V 10V 50V 250V Max DCA 0 0 05 2 5 25 250 mA 10A 3 FSD 4 FSD 10A 250mV 0 5A 250V 10A F10A 250V 15 X1 0 2 2K 20 X10 2 20K 200 X100 20 200K 2000 X1K 200 2M 20K X10K 2K 20M 200K 4...

Page 17: ...stance 1 10 100 1K 10K 1 10 100 1000 10000 DC Volt V DC 0 1V 2 5V 10V 50V 250V 1000V 10 250 10 50 250 10 0 01 0 01 1 1 1 100 Null DC Volt V DC 5V 25V 5 0 5 25 0 25 1 1 DC Current A DC 50 A 2 5mA 25mA...

Page 18: ...17 Diode 10K 1K 100 10 1 A 1 A 10 A 100 mA 1 mA 10 1 2 COM 3 Rx10 4 1 6 2 9V 3 4...

Page 19: ...18 4 5 10A 15 5 5 AC DC 250V 5 5 K X1000 5 AC DC 250V 6 Buzz Buzz 200ohm 5 AC DC 250V 7 GOOD BAD 5 AC DC 250V 8 dB dB 0 047 F 400V 10V dB 10dB 22dB 50V 14dB dB 250V 28dB 1000V 40dB...

Page 20: ...00V dB 22 40 62dB 9 hFE LED OHM X10 hFE 1 0 hFE PNP NPN 2 hFE IC IB LED 1 LED LED 2 LED 10 1 X10K 0 60 A X1K 0 150 A X100 0 1 5m A X10 0 15mA X1 0 150mA 2 IF COM IR IF 3 LI IF IR 4 IF IR LV 11 a x1k b...

Page 21: ...20 DC10A 10A 1 1 5V 90 90 2 9V...

Page 22: ...21 3 90 0 5A 250V 10A 250V 0 5A 250V 10A 250V 5 20mm UL 90 1 1 5V 1 5V 9V...

Page 23: ...5V CE 10A LED 2000uF Max DC20Kohm V AC 9Kohm V 0 1 2 5 10 50 250 1000V 5V 25V 50 A 2 5m 25m 250mA 10A 10 50 250 1000V 1 10 100 1K 10K 1 5 9V C RX1K Max 2 000 uF 23 C 5 C 75 RH 0 C 40 C 90 RH 10 C 50 C...

Page 24: ...0V 40 10KHz 9K V Max 1000V 10V 50V 250V Max DCA 0 0 05 2 5 25 250 mA 10A 3 FSD 4 FSD 10A 250mV 0 5A 250V 10A F10A 250V 15 X1 0 2 2K 20 X10 2 20K 200 X100 20 200K 2000 X1K 200 2M 20K X10K 2K 20M 200K 4...

Page 25: ...stance 1 10 100 1K 10K 1 10 100 1000 10000 DC Volt V DC 0 1V 2 5V 10V 50V 250V 1000V 10 250 10 50 250 10 0 01 0 01 1 1 1 100 Null DC Volt V DC 5V 25V 5 0 5 25 0 25 1 1 DC Current A DC 50 A 2 5mA 25mA...

Page 26: ...25 Diode 10K 1K 100 10 1 A 1 A 10 A 100 mA 1 mA 10 1 2 COM 5 Rx10 6 1 6 2 9V 3 4...

Page 27: ...26 4 5 10A 15 5 5 AC DC 250V 5 5 K X1000 5 AC DC 250V 6 Buzz Buzz 200ohm 5 AC DC 250V 7 GOOD BAD 5 AC DC 250V 8 dB dB 0 047 F 400V 10V dB 10dB 22dB 50V 14dB dB 250V 28dB 1000V 40dB...

Page 28: ...00V dB 22 40 62dB 9 hFE LED OHM X10 hFE 3 0 hFE PNP NPN 4 hFE IC IB LED 3 LED LED 4 LED 10 5 X10K 0 60 A X1K 0 150 A X100 0 1 5m A X10 0 15mA X1 0 150mA 6 IF COM IR IF 7 LI IF IR 8 IF IR LV 11 a x1k b...

Page 29: ...28 DC10A 10A 1 1 5V 90 90 2 9V...

Page 30: ...29 3 90 0 5A 250V 10A 250V 0 5A 250V 10A 250V 5 20mm UL 90 1 1 5V 1 5V 9V...

Page 31: ...30 MT 2017 C 12 CD 0755 83692415 83692986 83246594 83247554 0755 83692143...

Page 32: ...31 PROKIT S INDUSTRIES CO LTD http www prokits com tw Email pk mail prokits com tw 2015 Prokit s Industries Co LTD All rights reserved 2015001 C...

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