771 系列电气转换器
拟稿人:珠海康宝莱仪表有限公司
叶先生
771 系列电气转换器简单介绍
Calibration Accuracy: ±0.25% of span Reproducibility: 0.2% of span Response Level: 0.025% of span
771 系列电气转换器Current-to-Pneumatic Transducers的详细介绍
Surface Mounting:Two 1/4 x 20 x 5/16" deep blind tapped holes
Enclosure:NEMA 3R
NEMA 4 via conduit vent
Electrical Classification
FM Approved
Model 77
Non-incendive for Class I, Div. 2, Groups A, B, C, D.Dust-ignition proof for Class II, Div. 1, Groups E, F, G.
Suitable for Class III, Div. 1 hazardous locations and NEMA 4.
Model 77XXF
Intrinsically safe for Class I/II/III, Div. 1, Groups A, B, C,D, E, F, G and NEMA 4 when used with approved
barriers and converters listed on Siemens drawing #15032-7704/7705.