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KEW 4506 插座測(cè)試儀
瀏覽器自帶分享功能也很好用哦~? 只需插入插座并按下測(cè)試按鈕，即可輕松測(cè)量.
? 只需1秒，您就可以檢查電壓、接線是否正確以及插座的線路、中性點(diǎn)和接地極性.
? KEW 4506可用于TT接地系統(tǒng)，并與KEW 8343結(jié)合使用，也可用于TN-S。（見(jiàn)測(cè)量原理）
? 用于避免RCD跳閘的低測(cè)試電流測(cè)量.
為什么中性點(diǎn)接地反向連接存在問(wèn)題?
如果在未意識(shí)到N-E反向連接錯(cuò)誤的情況下使用插座，上游RCD將跳閘，導(dǎo)致電源關(guān)閉.
但是，如果電路沒(méi)有RCD保護(hù)，大負(fù)荷電流會(huì)流入接地導(dǎo)體，從而導(dǎo)致觸電和火災(zāi)危險(xiǎn).
萬(wàn)用表判斷
用萬(wàn)用表測(cè)量時(shí)，即使N和E反向連接，電壓也會(huì)與正確連接時(shí)的電壓相同，無(wú)法發(fā)現(xiàn)接線錯(cuò)誤.
我們的智能插座測(cè)試儀KEW 4506可以解決這些問(wèn)題!
Measurement principle
For TT System
If the Earth system is TT and the circuit is protected by an RCD with rated current of 30mA or more,
N-E Reverse can be detected by KEW 4506 alone.
In this case, to check if the N-E wiring is correct, KEW 4506 measures the resistance between L-N and the resistance between L-E respectively.
Normally in TT system, the L-N resistance is mainly due to the wiring conductors resistance only.
On the other hand, the L-E resistance includes also the consumer earth resistance (RE1 and RE2), so the L-E resistance is higher than just the L-N resistance.
RL+RN < RL +(RE1+RE2)
KEW 4506 detects N-E Reverse checking the difference of these resistance values.
Therefore, if the L-E resistance is extremely low, the Reverse connection of N-E may not be detected.
Also, a 10mA RCD may trip because a test current around 10mA is used to measure the resistance.
In above cases, we suggest to use KEW 8343 (Signal source) together with KEW 4506.
It will not be effected by the extremely low L-E resistance and any RCDs will not trip as the test current ?owing between N-E is less than 1μA.
For TN system
To test wiring systems with low resistances such as TN, building structure, and common earth systems, connect KEW 8343 to the location close to the branch circuit breaker to which 3P outlet under test is wired and apply test voltage.
N-E Reverse can be detected by applying a test voltage from KEW 8343 into the neutral line and examining the direction of the signal.
*KEW 4506 and KEW 8343 cannot be used on TN-C or IT systems.
*Signal Source KEW 8343 is sold separately.
All test results and PASS/FAIL in a clear display screen
|
|
Easy measurement by simply | LCD backlight automatically |
Where to use and limitations
KEW 4506 can test the wiring connection including the N-E Reverse of single-phase socket outlets.
This tester can test single phase socket outlets wired to Three-phase 4-Wire, Single-phase 3-Wire, Single-phase 2-Wire supply systems.
*KEW 4506 cannot be used for checking three-phase socket outlets and testing the RCD.
For use in a general TN system circuit, N-E Reverse can be determined only at socket outlets connected downstream of the N conductor where KEW 8343 is clamped. For checking Ring Circuit socket outlets, KEW 8343 must be connected to the upstream of the N conductor which supplies the ring circuit.
Socket test *1 | ||||
Measurable range | 80V rms to 290V rms (50/60Hz) | |||
Socket type | 3 Pole | 2 Pole | ||
Judgement | PASS | PASS | PASS | |
FAIL | L-N Reverse | L-N Reverse | ||
L-E Reverse | Abnormal voltage | |||
N-E Reverse | - | |||
E Not connected | - | |||
N Not connected | - | |||
N-E unjudgeable | - | |||
Abnormal voltage | - | |||
AC V (L-N) | ||||
Range | 80 to 290V rms (50/60Hz) | |||
Accuracy | ±2%rdg±4dgt | |||
Loop resistance (N-E) | ||||
Range (Auto-ranging) | 200Ω: 0.0 to 199.9Ω | |||
Test current | 200Ω: 5mA (5.3 Hz) | |||
Accuracy | ±3%rdg±5dgt | |||
General
Applicable standards | IEC 61010-1, 61010-2-030 CAT Ⅱ 300V, Pollution degree 2, IEC 60529(IP40) |
Operating temperature & humidity range | -10 to 50℃, RH 85% or less |
Storage temperature & humidity range | -20 to 60℃, RH 85% or less |
Power source | LR6 (AA)(1.5V) × 2 |
Dimensions | 212(L) × 56(W) × 39(D) mm |
Weight | Approx. 250g (including batteries) |
Included Accessories | Test lead with IEC connector *3 |
Optional Accessories | 8343 (Signal Source for Intelligent Socket Tester) |
*1 If N-E resistance measurement function is turned off (*2), test is performed with a test voltage applied from an optional
signal source only: current flows between N-E is less than 1μA
*2 If the function is disabled, KEW 4506 doesn’t show resistance between N-E.
*3 KAMP 10(AU): Australian plug / KAMP 10(EU): European SCHUKO plug /
KAMP 10(UK): British plug(13A) / 7284: American(NEMA)plug
KEW 4506 插座測(cè)試儀
? 只需插入插座并按下測(cè)試按鈕，即可輕松測(cè)量.
? 只需1秒，您就可以檢查電壓、接線是否正確以及插座的線路、中性點(diǎn)和接地極性.
? KEW 4506可用于TT接地系統(tǒng)，并與KEW 8343結(jié)合使用，也可用于TN-S。（見(jiàn)測(cè)量原理）
? 用于避免RCD跳閘的低測(cè)試電流測(cè)量.
為什么中性點(diǎn)接地反向連接存在問(wèn)題?
如果在未意識(shí)到N-E反向連接錯(cuò)誤的情況下使用插座，上游RCD將跳閘，導(dǎo)致電源關(guān)閉.
但是，如果電路沒(méi)有RCD保護(hù)，大負(fù)荷電流會(huì)流入接地導(dǎo)體，從而導(dǎo)致觸電和火災(zāi)危險(xiǎn).
萬(wàn)用表判斷
用萬(wàn)用表測(cè)量時(shí)，即使N和E反向連接，電壓也會(huì)與正確連接時(shí)的電壓相同，無(wú)法發(fā)現(xiàn)接線錯(cuò)誤.
我們的智能插座測(cè)試儀KEW 4506可以解決這些問(wèn)題!
Measurement principle
For TT System
If the Earth system is TT and the circuit is protected by an RCD with rated current of 30mA or more,
N-E Reverse can be detected by KEW 4506 alone.
In this case, to check if the N-E wiring is correct, KEW 4506 measures the resistance between L-N and the resistance between L-E respectively.
Normally in TT system, the L-N resistance is mainly due to the wiring conductors resistance only.
On the other hand, the L-E resistance includes also the consumer earth resistance (RE1 and RE2), so the L-E resistance is higher than just the L-N resistance.
RL+RN < RL +(RE1+RE2)
KEW 4506 detects N-E Reverse checking the difference of these resistance values.
Therefore, if the L-E resistance is extremely low, the Reverse connection of N-E may not be detected.
Also, a 10mA RCD may trip because a test current around 10mA is used to measure the resistance.
In above cases, we suggest to use KEW 8343 (Signal source) together with KEW 4506.
It will not be effected by the extremely low L-E resistance and any RCDs will not trip as the test current ?owing between N-E is less than 1μA.
For TN system
To test wiring systems with low resistances such as TN, building structure, and common earth systems, connect KEW 8343 to the location close to the branch circuit breaker to which 3P outlet under test is wired and apply test voltage.
N-E Reverse can be detected by applying a test voltage from KEW 8343 into the neutral line and examining the direction of the signal.
*KEW 4506 and KEW 8343 cannot be used on TN-C or IT systems.
*Signal Source KEW 8343 is sold separately.
All test results and PASS/FAIL in a clear display screen
|
|
Easy measurement by simply | LCD backlight automatically |
Where to use and limitations
KEW 4506 can test the wiring connection including the N-E Reverse of single-phase socket outlets.
This tester can test single phase socket outlets wired to Three-phase 4-Wire, Single-phase 3-Wire, Single-phase 2-Wire supply systems.
*KEW 4506 cannot be used for checking three-phase socket outlets and testing the RCD.
For use in a general TN system circuit, N-E Reverse can be determined only at socket outlets connected downstream of the N conductor where KEW 8343 is clamped. For checking Ring Circuit socket outlets, KEW 8343 must be connected to the upstream of the N conductor which supplies the ring circuit.
Socket test *1 | ||||
Measurable range | 80V rms to 290V rms (50/60Hz) | |||
Socket type | 3 Pole | 2 Pole | ||
Judgement | PASS | PASS | PASS | |
FAIL | L-N Reverse | L-N Reverse | ||
L-E Reverse | Abnormal voltage | |||
N-E Reverse | - | |||
E Not connected | - | |||
N Not connected | - | |||
N-E unjudgeable | - | |||
Abnormal voltage | - | |||
AC V (L-N) | ||||
Range | 80 to 290V rms (50/60Hz) | |||
Accuracy | ±2%rdg±4dgt | |||
Loop resistance (N-E) | ||||
Range (Auto-ranging) | 200Ω: 0.0 to 199.9Ω | |||
Test current | 200Ω: 5mA (5.3 Hz) | |||
Accuracy | ±3%rdg±5dgt | |||
General
Applicable standards | IEC 61010-1, 61010-2-030 CAT Ⅱ 300V, Pollution degree 2, IEC 60529(IP40) |
Operating temperature & humidity range | -10 to 50℃, RH 85% or less |
Storage temperature & humidity range | -20 to 60℃, RH 85% or less |
Power source | LR6 (AA)(1.5V) × 2 |
Dimensions | 212(L) × 56(W) × 39(D) mm |
Weight | Approx. 250g (including batteries) |
Included Accessories | Test lead with IEC connector *3 |
Optional Accessories | 8343 (Signal Source for Intelligent Socket Tester) |
*1 If N-E resistance measurement function is turned off (*2), test is performed with a test voltage applied from an optional
signal source only: current flows between N-E is less than 1μA
*2 If the function is disabled, KEW 4506 doesn’t show resistance between N-E.
*3 KAMP 10(AU): Australian plug / KAMP 10(EU): European SCHUKO plug /
KAMP 10(UK): British plug(13A) / 7284: American(NEMA)plug
