相序检测：正向、反相、缺相（在三相平衡负载的情况下）记录：记录大值、小值（在电压、电流、有功功率、无功功率测量的情况下）

2 PL BAKELITE BLOCK FOR NBG

316 stainless steel, ½ NPT Tube Entry, ½ NPT Wire Entry, 2 terminals (CH-73)

Polypropylene, ½ NPT Tube Entry, ¾ NPT Wire Entry, 2 terminals (CH-73)

Aluminum, ½ NPT Tube Entry, ½ NPT Wire Entry, 2 terminals (CH-49)

316 stainless steel, ¼ NPT Tube Entry, ¼ NPT Wire Entry, No internal terminals

316 stainless steel, ¼ NPT Tube Entry, ¼ NPT Wire Entry, 2 terminals (CH-73)

316 stainless steel, ¼ NPT Tube Entry, ¼ NPT Wire Entry, 4 terminals (CH-74)

Ceramic block, 2 terminals, for NB2 head

Ceramic block, 4 terminals, for NB2 head

316 stainless steel, ½ NPT Tube Entry, ½ NPT Wire Entry, 2 terminals (CH-73)

316 stainless steel, ½ NPT Tube Entry, ½ NPT Wire Entry, 4 terminals (CH-74)

Polypropylene, ½ NPT Tube Entry, ½ NPT Wire Entry, 2 terminals (CH-73)

20 AWG线号，E型，-185到850°C（-300到1600°F）温度范围

Ceramic block, 4 terminals, for NB13 head

HDBK ENVIRONMENTAL DATA ORGAN*

3/8"直径用通用测试套管，4"插入长度，304不锈钢

3/8"直径用通用测试套管，6"插入长度，304不锈钢

标准螺纹套管，外螺纹3/4"NPT，插入长度10 1/2"，碳钢

● DC V基本精度±0.3%，AC V的频率特性40～1kHz的标准型 ● 低通滤波100Hz/500Hz时去掉谐波(变频器的基波成分测量)