Máy đo điện trở đất – Điện trở suất KYORITSU 4106, K4106 (2Ω-200kΩ)

27.100.000 ₫

Mã sản phẩm: 479

CHI TIẾT
THÔNG SỐ KĨ THUẬT

Thông số kỹ thuật:

Đo điện trở đất :

+ Giải đo : 2Ω/20Ω/200Ω/2000Ω/20kΩ/200kΩ

+ Độ phân giải : 0.001Ω/0.01Ω/0.1Ω/1Ω/10Ω/100Ω

+ Độ chính xác : ±2%rdg±0.03Ω

Đo điện trở suất ρ :

+ Giải đo : 2Ω/20Ω/200Ω/2000Ω/20kΩ/200kΩ

+ Độ phân giải : 0.1Ω•m~1Ω•m

+ Độ chính xác : ρ=2×π×a×R

Thẻ nhớ : 800 dữ liệu

Truyền thông : USB (Model 8112)

Màn hình LCD

Chỉ báo quá dải bằng : ” OL”

Nguồn : DC12V, Pin AA (R6P) x 8

Kích thước : 167(L) × 185(W) × 89(D) mm

Khối lượng : 900g

Phụ kiện :

+ Model 7229A – Dây đo (Xanh, vàng, đỏ, đen)

+ Model 7238A – Đầu đo, khớp nối

+ Model 8032 – 2 cọc sắt T cắm đất

+ CD, Cáp USB

+ Hộp đựng

+ Pin R6P) x 8, Hướng dẫn sử dụng

Bảo hành : 12 tháng

Hãng sản xuất : Kyoritsu – Nhật

Xuất xứ : Nhật Bản

•	High test current up to 80mA yielding resolution of 0.001Ω on 2Ω range.
•	Advanced Filtering method (based on FFT Fast Fourier Transform) reduces noise interference for obtaining stable measurements.
•	Automatic and Manual selection of the Test Current Frequency in four bands (94/105/111/128Hz). In Automatic mode, KEW 4106 will select the most suitable Frequency.
•	Several sub-results can be shown on the display: Resistance of the Auxiliary Earth Spikes, Frequency of Test Current, Voltage and Frequency of Interference (noise), Residual Resistance Rk, etc.
•	Warning for excessive noise and high Auxiliary Earth Spikes resistance.

•	Large Graphic Display with backlight for readings in poorly illuminated areas.
•	Up to 800 measurement results can be saved in the memory and recalled on the display.
•	The stored results can be transferred to a PC using the “KEW Report” software and a USB adaptor (Model 8212-USB) which are included.
•	Robust design with IP54 protection.

Function	Range	Resolution	Measuring range	Accuracy
Earth resistance Re (Rg at ρ measurement)	2Ω	0.001Ω	0.03~2.099Ω	\|±2%rdg±0.03Ω
	20Ω	0.01Ω	0.03~20.99Ω	\|±2%rdg±5dgt (*1)
	200Ω	0.1Ω	0.3~209.9Ω
	2000Ω	1Ω	3~2099Ω
	20kΩ	10Ω	0.03~20.99kΩ
	200kΩ	100Ω	3~209.9kΩ
Auxiliary earth resistance Rh, Rs				8% of Re+Rh+Rs
Earth resistivity ρ	2Ω	0.1Ω•m~1Ω•m Autoranging	0.2~395.6Ω•m	ρ=2×π×a×Rg (*2)
	20Ω		0.2~3956Ω•m
	200Ω		20~39.56kΩ•m
	2000Ω		0.2~395.6kΩ•m
	20kΩ		2.0~1999kΩ•m
	200kΩ		2.0~1999kΩ•m
Series interference voltage Ust (A.C only) (*3)	50V	0.1V	0~50.9Vrms	\|±2%rdg±2dgt (50/60Hz)
Series interference voltage Ust (A.C only) (*3)	50V	0.1V	0~50.9Vrms	\|±3%rdg±2dgt (40~500Hz)
Frequency Fst	Autoranging	0.1Hz 1Hz	40Hz~500Hz	\|±1%rdg±2dgt
Measuring method	Earth resistance: Fall-of-potential method (currents and voltages measured via the Probes) Measurement method of Earth Resistivity (ρ): Wenner 4-pole method Series interference voltage (earth voltage): RMS Rectifier (between the E-S Terminals)
Memory capacity	800 data
Communication Interface	Model 8212-USB Optical Adaptor
LCD	Dot-matrix 192×64 monochrome
Over-range Indication	“OL”
Overload Protection	between E-S(P) and between E-H(C) terminals AC280V / 10 sec.
Withstand voltage	between the electrical circuit and enclosure AC3540V(50/60Hz) / 5 sec.
Applicable standards	IEC 61010-1 CAT.III 300V, CAT.IV 150V Pollution degree 2 IEC 61010-031, IEC 61557-1, 5, IEC 61326-1 (EMC), IEC 60529 (IP54)
Power source	DC12V : sizeAA manganese dry battery (R6P) × 8 (Auto power off: approx. 5 minutes)
Dimensions	167(L) × 185(W) × 89(D) mm
Weight	approx. 900g (including batteries)
Accessories	7229A (Earth precision measurement), 7238A (Simplified measurement test leads), 8032 (Auxiliary earth spikes [2 spiks/set])×2 sets (4 spikes in total), 8200-04 (Cord reel [4 pcs])×1 set, 8212-USB (USB adaptor with “KEW Report(Software)”), 9121 (Shoulder strap), 9125 (Carrying case), R6P×8, Instruction manual, Calibration certificate
Optional	8212-RS232C (RS232C adaptor with “KEW Report(Software)”)


(*1)	Auxiliary earth resistance is 100Ω with Rk correction

(*2)	Depending on the measured Rg. Interval [a] between auxiliary earth spikes is 1.0~30.0m

(*3)	This instrument is NOT designed to measure line voltages on commercial powers.

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