2852-LS 远装式液位开关为液体与固体提供可靠的液位报警与控制；探头连续监测容器内液位变化并在用户设定点报警。
无活动部件
电子单元经标准双绞线远程安装
标配防爆探头
探头可选本安型，作为危险区域的替代防护方案
接液件为高耐腐蚀特氟龙与不锈钢
电容技术响应所有液体与固体类型
高频电容技术无需日常清洗
标定与控制设置简便
单探头两路独立继电器设定点，各带 100% 差动控制
电容技术不挂料、无需日常清洗
远程显示器远离工艺安装，保障操作员安全且便于控制接线
| 工作温度 | -20˚C to +55˚C |
|---|---|
| 分辨率 | .007% (.07 pF at 1,000 pF) |
| 精度 | .04% of full scale pF |
| 电源输入 | 12 vdc or 24 vdc or 100-240 vac +/- 10% |
| Alarm Relay | 2 x 10 amp@240 vac, SPDT dry, discrete relays with differential control |
| Analog Output | 4 mA normal/20 mA alarm pegged to Relay 1 high differential setpoint |
| Communication Modbus RS-485 | |
| Certified UL | 61010-1, 2nd Edition CAN/CSA-22.2 61010-1-4 |
| IEC/EN | 61010-1, 2nd Edition IEC 61326-1 + CE Declared |
| 外壳类型 | 4/IP 66 painted steel or Type 4X/IP 66 polycarbonate or SS 可选 Light, buzzer, beacon |
| 探头 | -60˚C to +260˚C |
|---|---|
| PMC | -60˚C to +55˚C |
| Pressure | 103 bar/10342 kPA/1500psi at stable temp |
| Explosion Proof CSA Div 1, Class 1, Groups C,D | |
| Intrinsic Safety Approved Intrinsically Safe when ordered with Approved Barrier in Control Unit CAN/CSA E60079-11: Class I, Groups A,B,C,D; Class II, Groups E,F,G; Class III, Encl.Type 4 | |
| CRN ABSA-CRN #OF07450.2 | |
| 接液部件 | 316SS and Teflon |
| 探头 | materials are eligible for NACE MR-0175 Compliance |
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