Analog-type Temperature Transmitter Introduction
模拟式温度变送器简介
- 介绍：
- AST3001是一个模拟型温度变送器，可选择范围为Pt100输入，具有高精度，低温漂和高可靠性
- 发射机直接在工业领域输出4-20mA信号，因此广泛应用于石油化工，电力和冶金
- 主要特点：
- 体积小，安装方便
- 采用表面贴装元件，环氧树脂密封结构，抗干扰和高可靠性
- 特殊线性电路设计，精度高，稳定性好，免维护
- 外部直接调零和满
- 传感器断开检测
- 电流信号输出，传输距离长，减少线路干扰带来的误差
| 规格 | |||
| 电源 | 7.5-36v dc | 输入 | Pt100（3线） |
| 操作 温度 | -20- + 60℃ | 零 | -50至+ 50℃ |
| 传感器断开 检测 | 高档（27mA） 低档（2.2mA） | 准确性 | ±0.2％fs |
| 输出 | 4-20mA | ||
| 跨度（可选） | 100/200/300/400/500°C（其他测量范围可定制） | ||
- Introduction:
- AST3001 is a analog-type temperature transmitter with selectable ranges for Pt100 input, and features high precision, low temperature drift and high reliability
- Transmitter outputs 4-20mA signal directly in the industrial field, so widely used in the petrochemical industry, electric power and metallurgy
- Main features:
- Small size and convenient installation
- Using surface mounting components, epoxy resin sealing structure, anti-interference and high reliability
- Special linear circuit design, high accuracy, good stability and free maintenance
- External direct adjustment of zero and full
- Sensor break detection
- Current signal output, long transmission distance, reduces the error brought by line interference
| Specifications | |||
| Power supply | 7.5-36V DC | Input | Pt100 (3-wire) |
| Operating temperature | -20-+60°C | Zero | -50 to +50°C |
| Sensor break detection | Upscale (27mA) Downscale (2.2mA) | Accuracy | ± 0.2%FS |
| Output | 4-20mA | ||
| Span (selectable) | 100/200/300/400/ 500°C (other measurement range can be customized) | ||
