产品型号: MTL7706/7787
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, | 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 |
