ST330C热继电器校验仪概述：

ST330C热继电器校验仪

ST330C热继电器校验仪Thermal relay tester
专业为用户量身定做

工控机，高精度0.2级，触摸屏操作

高精度全自动三相主要特点：

ST330C适用范围：　 
　　1、适用于各类型的低压电动机保护器、热继电器测试。　 
　　2、测试电动机保护器在运行状态下是否进行有效地保护。　 
　　3、适用于试验室对热继电器、低压电动机保护装置的试验。　 
　　4、适用于生产电动机保护器、热继电器厂家进行产品质量校验、出厂试验调试。　 
　　5、适用于各高校及科研机构的研发、试验、教学。　 
　　主要特点及技术参数： 
　适用于单相、三相热继电器及各种有源或无源电动机保护器的过压、过流、缺相、不平衡、堵转及时间测试,还可测试电流继电器的动作电流及额定电流的动作时间。　　　
◆ 可长时间输出0～50A或0～500A电流
◆ 三相电流可均衡输出，具有细调功能
◆ 三相电压可均衡输出，具有细调功能（备选）
◆ 可同步测试热继电器或热电偶的动作时间
◆ 常开、常闭接点自动识别
◆ 可同时串接若干只校验，提高工作效率
2、主要技术指标
电源输入：AC 380/220V 50Hz 三相四线
仪表等级：0.2级
输出电流：3×50A或3×500A
时间测试：0.001S-999.999S

重量：14.8KG
高精度全自动三相



Scope:
1 , applicable to all types of low voltage motor protection , thermal relay testing.
2, the test motor protector is in the running state to effectively protected.
3 , suitable laboratory for thermal relays, low voltage motor protection device tests.
4 , for the production of motor protection, thermal relay manufacturers to verify product quality , factory test debugging.
5 , applicable to all universities and research institutions in the development, testing , teaching .
Main features and technical parameters:
For single-phase , three-phase thermal relay and a variety of active or passive motor protection overvoltage , overcurrent , phase imbalance , stall and time of the test , but also test current relay operating current and rated current operating time .
◆ can be a long ouXUJIut 0 ~ 50A or 0 ~ 500A Current
◆ three-phase current ouXUJIut can be balanced with fine tuning function
◆ three-phase ouXUJIut voltage can be balanced with fine adjustment function ( option )
◆ test can be synchronized or thermocouple thermal relay operating time
◆ normally open, normally closed contact automatic identification
◆ can only check several series simultaneously , improve work efficiency
2 , the main technical indicators
Power Input : AC 380/220V 50Hz three-phase four-wire
Instrument Rating : 0.2
OuXUJIut Current : 3 × 50A or 3 × 500A
Time Test : 0.001S-999.999S

Weight : 14.8KG
Precision automatic three-phase thermal relay calibrator