Thiết bị kiểm tra dòng rò 4140 , K4140

THÔNG SỐ KỸ THUẬT:

 Đo điện trở đất Kyoritsu :

Xuất xứ: Nhật
Bảo hành: 12 tháng  
Chức năng đo tổng trở mạch vòng:  L-PE ATT OFF, L-PE ATT ONL-N / L-L
Chức năng PFC (L-PE) / PSC (L-N / L-L): PFC, PFC (ATT), PSC
Đo thứ tự pha: 50~500V
Đo điện áp: 0~500V /±2%rdg  
Nguồn:  pin 1.5V AA × 6       
Kích thước: 84 (L) × 184 (W) × 133 (D) mm       
trọng lượng: 860g      
Phụ kiện kèm theo: Dây nguồn, dây đo, 9155 (dây đeo), 156 (túi đựng), LR6 (pin) × 6,HDSD, chứng chỉ hiệu chuẩn của hãng
 Hãng sản xuất: Kyoritsu - Nhật Bản

datasheet

manual

Anti-Trip Technology for complete trip free Loop testing on all RCDs rated 30mA and above. • Dual Display allows simultaneous measurements like Loop & PFC/PSC. • Two wire connection for Loop L-L, L-N and PSC testing is possible. • Phase rotation, Voltage and Frequency measurements. • Lock-down test button for hands free testing with auto-start operation.
• Display and front panel keyboards with Backlight to be visible in dark places. • Water and Dust proof (IP54)

Loop Impedance

Function

L-PE ATT OFF

L-PE ATT ON

L-N / L-L

Rated Voltage

230V (50/60Hz)

L-N: 230V (50/60Hz) L-L: 400V (50/60Hz)

Operating Voltage

100~280V (45~65Hz)

100~500V (45~65Hz)

Range (Auto-Ranging)

20/200/2000Ω

20/200/2000Ω (L-N<20Ω)

20Ω

Nominal Test Current at 0Ω External Loop: Magnitude/Duration at 230V

20Ω: 6A/40ms 200Ω: 2A/20ms 2000Ω: 15mA/500ms

L-N: 6A/60ms N-PE: 10mA/approx.5s

20Ω: 6A/20ms

Accuracy

±3%rdg±4dgt(*1)

±3%rdg±6dgt(*1)

L-N: ±3%rdg±4dgt L-L: ±3%rdg±8dgt

PFC (L-PE) / PSC (L-N / L-L) (*2)

Function

PFC

PFC (ATT)

PSC

Rated Voltage

230V (50/60Hz)

L-N: 230V (50/60Hz) L-L: 400V (50/60Hz)

Operating Voltage

100~280V (45~65Hz)

100~500V (45~65Hz)

Range (Auto-Ranging)

2000A/20kA

2000A/20kA (L-N<20Ω)

2000A/20kA

Nominal Test Current at 0Ω External Loop: Magnitude/Duration at 230V

20Ω: 6A/40ms 200Ω: 2A/20ms 2000Ω: 15mA/500ms

L-N: 6A/60ms N-PE: 10mA/approx.5s

20Ω: 6A/20ms

Phase Rotation

Operating Voltage

50~500V, 45~65Hz

Remarks

Correct phase sequence: displayed "1.2.3" and mark Reversed phase sequence: displayed "3.2.1" and  mark

Volts

Function

Volts

Frequency

Measuring range

0~500V

45~65Hz

Accuracy

±2%rdg±4dgt

±0.5%rdg±2dgt

General

Applicable standards

IEC 61010-1 CAT.III 300V (500V L to L), IEC 61010-031, IEC 61557-1, 3, 7, 10, IEC 60529 (IP54), IEC 61326 (EMC)

Power source

1.5V AA batteries × 6 *Use of alkaline batteries (LR6) is recommended.

Dimensions

84 (L) × 184 (W) × 133 (D) mm

Weight

860g (including batteries)

Accessories included

Main cord (*3) Distribution board test lead (*4) 9155 (Shoulder strap) 9156 (Soft case) LR6 (Battery) × 6, Instruction manual, Calibration certificate

(*1):	Accuracy of L-N LOOP displayed on the Sub Display is synchronized with the one at L-N/L-L function.
(*2):	PSC/PFC Accuracy is derived from measured loop impedance specification and measured voltage specification.
(*3):	7187A (Power cord [UK]), 7218A (Power cord [EU]), 7221A (Power cord [SA]), 7222A (Power cord [AU])
(*4):	7246 (Blue, Green, Red), 7247 (Black, Green, Red)