交流接地阻抗测试仪 Extech 7305

· 接地阻抗(G B)：0～30A/0-510mΩ
· 台湾华仪 Extech 7305 交流接地阻抗测试仪

产品特点：  
 
· 7305简易型交流接地阻抗测试器(30A/6V) 
· 全系列内建特殊的线性恒流输出放大线路
· 内建10组程序记忆、每一组3个测试步骤可进行程序记忆步骤的连结测试
· 开机自我检测功能的测试，可于测试前进行判定各项测试功能是否正常
· 测试线路阻抗自我归零校整功能，确保测试结果的准确性
· 前面板软件输入校正
· 时间与日期的设定，可设定校正时间及预警时间提醒使用者
· 内建PLC Remote遥控界面
· 键盘锁定功能
· **锁定功能
· 台湾华仪 Extech 7305 交流接地阻抗测试仪,咨询电话:0512-68551216/68551217/65090040。

SPECIFICATIONS
MODEL	7305
GROUND BOND
Output AC Current	3 - 30A
Output AC Voltage	6V, Maximum
Output Frequency	50Hz/60Hz ±100ppm, User Selection
SETTINGS
Max-Limit	Resistance	0-510mΩ	0-120mΩ
Range	AC Current	3.0-10.0A	10.1-30.0A
	Resolution	1mΩ
	Accuracy	Same as Resistance Measurement Accuracy
Min-Limit	Resistance	-
Range	AC Current	-
	Resolution	1mΩ
	Accuracy	Same as Resistance Measurement Accuracy
Lead Resistance Offset	Range	0 - 100 mΩ, Auto/manual
	Resolution	1mΩ
	Accuracy	±(2% of setting +2 counts)
Dwell Time	Range	0, 0.5 - 999.9 sec (0 = continuous)
	Resolution	0.1 sec
	Accuracy	±(0.1% + 0.05sec)
MEASUREMENT
AC Current	Range	3.0 - 30.0A
	Resolution	0.1A
	Accuracy	±(2%of reading +1count)
Resistance	Range	0-510mΩ	0-120mΩ
		3.0-10.0A	10.1-30.0A
	Resolution	1 mΩ
	Accuracy	±(2%of reading +1count)
GENERAL
Input Voltage AC	115/230Vac±15%, 50/60Hz ± 5%, Fuse 6.3A for 7305/7315 model, 10A for 7314 model, 15A for 7316 model
PLC Remote Control	Input: Test , Reset,Withstand Processing ,(Memory1.2.3, Interlock for 7314/7315/7316 model only)
	Output: Pass , Fail , Processing , Reset Out , Start Out
Memory	5 memories
Display	16×2 LCD with back light
Key Lock	To prevent unauthorized alteration of the test Parameters
Calibration	Build-in software and external calibrated meters
Verification	-
Alarm Volume Setting	-
Environment	0-40℃, 20-80%RH
Dimension	280(W)×89(H)×370(D)mm
Net Weight	10Kg
STANDARD ACCESSORIES
Power Cord(10A)	×1
Fuses	×2 (Including a spare contained in the fuse holder)
Ground Bond Return Lead 30A ,1.6m(1122)	×1
Ground Bond Test Lead 30A,1.6m(1131)	×1