产品介绍：
Differential pressure measurement made easy.
The PF1 series is a low-cost, high-precision and stable transmitter for measurement of differential pressure. The devices have an MEMS diaphragm sensor and boast excellent long-term stability.
Features
High stability and repeatability
Compact design
Measurement ranges configurable by jumpers
Simple mechanical installation
Excellent value for money
Ideal for HVAC applications
Versions
PF132 Analog 3-wire
PF120 Analog 2-wire
| 参数 | Differential pressure |
|---|---|
| 应用范围 | -10...+50 °C / 0...90 %RH |
| 在23 ±5 °C时精度 | ±1.5 % full scale measurement range ≤ 50 Pa ±1.0 % full scale measurement range > 50 Pa |
| 测量原理 | MEMS diaphragm sensor |
| 测量范围 | -25…+25 Pa / 0…+50 Pa / -50...+50 Pa / 0...+100 Pa / 0...250 / -250...+250 Pa / 0...500 Pa / -500...+500 Pa |
| 耐压 | ≤ ±100 Pa => 1 kPa ≤ ±500 Pa => 15 kPa |
| Burst pressure | ≤ ±100 Pa => 15 kPa ≤ ±500 Pa => 20 kPa |
| Zero adjustment | By button |
| 压力连接 | Tubing connector Ø 4.0 mm x 10 mm |
| 电源/功耗 | PF132 Analog 3-wire: 13…32 V PF120 Analog 2-wire. 10…32 V |
| 长期稳定性 | 0.1 %FS /year |
| 电气连接 | Screw terminals inside, M12 cable gland |
| 显示屏 | LCD, 4 digits (optional) |
| 模拟输出 | 1 |
| 模拟输出信号（标准） | PF132: 0...10 V PF120: 4...20 mA |
| 外壳材料 | ABS |
| IP防护等级 | IP65 |
| 阻燃类 | 符合UL94-HB |
| 安装位置 | Wall mounting, any mounting position |
| CE/EMC认证 | 2014/30/EU |
| 储运条件 | -20...+70 °C / 0...90 %RH |
| 尺寸 | 84 x 66 x 36 mm Incl. steel conduit screw fitting: 105 x 66 x 36 mm |
Model 264 传感器在全球的安装数量已高达上百万只，是HVAC 楼宇自动化、高精度医药和卫生保健设施中低压差测量应用的“标准”产品。Model 264 型超低差压传感器使用闭端不锈钢焊接电容感应元件，仅要求极小的放大倍率，可为各类关键安装应用提供出色的精度和长期可靠性。Model 264 采用稳固设计，使用黄铜倒钩接头、卡轨安装架、以及可选的导管盖，可实现简单、稳定的安装。特性·**支持10 PSI 超压·安装方便·0~5VDC 或4~20mA 模拟输出·误接线全保护·使用非调整直流电源供电·满足CE 标准应用·暖通空调（HVAC）·能源管理系统·VAV 及风扇控制·洁净工程·OEM·实验室及通风橱控制·烘箱增压及炉通风控制·医疗仪器及设备