用于本安系统的隔离

特性

变送电压: 16.2 V @ 20 mA with 250Ω load (negative w.r.t. earth); 11.0 V @ 20 mA with 500Ω load (negative w.r.t. earth).
安全输出: 4 to 20 mA.
负载阻抗: 0 to 500Ω.
电源: 20 to 35 VDC w.r.t. earth.
精度: ±2 µA under all conditions.
LED 指示: Green: Power Indication.
温度限制: Operating: -4 to 140°F (-20 to 60°C); Storage: -40 to 176°F (-40 to 80°C).
湿度范围: 5 to 95% RH.
端子: Accommodate up to 2.5 mm² stranded or single-core.
安全描述: 28 µV, 300Ω, 93 mA.
重量: 4.9 oz (140 g).
认证: 见下表.

Region (Authority)	Standard	Approved For	Certificate/File No.
USA (FM)	3600, 3610 entity, 3611, 3810	AIS/I,II,III/1/Entity ABCDEFGSCI- 942; NI/I/@/ABCD/T4 [I/0] AEx[ia]IIC-SCI-942 Entity; NI/1/2/IIC/T4; Ta=140°F (60°C)	3010737
Canada (CSA)	CAN/CSA E60070, UL698, UL913, UL1604, IEC60079, C22.2	Class I, Div.2, Gps A, B, C, D; Ex nA [iA] IIC T4 Class I, Xone 2, Aex nA IIC T4	1345550
UK (BASEEFA)	EN 50014, EN 50020	EEx ia IIC	BAS01ATEX7217
UK (BASEEFA) Systems	EN 50039	EEx ia IIC	Ex01E2219

Compatible Models: 637, 638, 608, IS626, PBLTX, SBLTX

MTL Zener Barrier	Approval	Dwyer Series
MTL7706	FM for Class I, II, II; Div. 1, Groups C, D, F, G	638
MTL7706	UL for Class I, Div. 1, Groups A, B, C, D; Class II, Div. 1, Groups E, F, G; Class III, Div. 1	IS626, PBLTX, SBLTX
MTL7706	FM for Class I, II, III; Div. 1, Groups B, C, D, E, F, G	637
MTL7706	FM for Class I, II, III; Div. 1, Groups A, B, C, D, E, F, G	608

MTL7706

FM
Group	µF	mH
A & B	0.083	4.2
BASEEFA (ATEX)
Group	µF	mH
IIC	0.083	4.2

MTL7787

FM
Group	µF	mH
A & B	0.083	3.05
BASEEFA (ATEX)
Group	µF	mH
IIC	0.083	3.05