JB3245(可程式微欧姆计)

JB3245(可程式微欧姆计)
产品性能
．使用3个数字显示器可同时显示读值、HI Limit、LO Limit
．读值使用4 1/2位大型(0.5英吋)七段显示器
．使用4 1/2位模拟数字转换器提供高准确度的量测
．手动或自动换档选择
．提供HI/LO/GO与BUZZER比较功能
．NULL功能
．每秒高达10次攫取速度，并提供可选的攫取速度设定
．提供1安培测试电流，可量测到1μΩ分辨率
．标准RS-232C接口
．提供四组面板设定储存与唤回功能
．自动保存关机前之设定状态，开机后自动回复原先设定

产品规格

Model	3245 Programmable Milli-Ohm Meter
Measurement
Range	20m/200m/2/20/200/2K/20K/200K/2MΩ
Accuracy	20mΩ : ±0.05%rdg. ±15dgt. 200mΩ : ±0.05%rdg. ±10dgt. 2Ω-200KΩ : ±0.03%rdg. ±7dgt. 2MΩ : ±0.05%rdg. ±20dgt.
Current	1A/100mA/10mA/1mA/100uA/10uA/1uA
Voltage	20mV to 2V DC
Display	19999 (4-1/2 digits) LED
Method	4-terminal method
Sampling Rate	FAST (10times/sec), SLOW (2times/sec)
General Function
Compare	HI/GO/LO LED Display with Buzzer on/off Setting
Open Circuit Terminal Voltage	Approx. 6V
NULL Function	Display Value = Reading Value - REF. Value
Range Selection	Manual or Automatic
HOLD Function	Can Hold Display Value with LED Indicate
Display	7-Segment Red LED 0.52"
Compare Display	7-Segment Red LED 0.31"
General Specification
Interface : Standard RS-232 Interface, Data Transfer Rate only 9600 bps.
Power Supply : AC115V/230V±10%, 60/50Hz Switch Selectable
Power Consumption : Approx. 45VA on 20mΩ test range, Other range approx. 25VA
Warm-up Time : Approx. 30 min.
Operation Humidity/Temperature Range : 80% R.H. (+5℃ to 30℃), 50% R.H. (+31℃ to 40℃)
Storage Temperature/Humidity Range : -10 to 70℃, <80% R.H.
Dimensions : 213(W) x 88(H) x 394(D) mm
Net Weight : 3.6 Kg
Accessories : Power cord x1, Operation Manual x1, Test Lead x1