User manual for PTL537 differential pressure digital pressure switch with LCD display and multiple output signals.
This document provides instructions for using the PTL537 differential pressure digital pressure switch. It covers product features, technical specifications, wiring diagrams, and installation guidelines. The device measures and controls pressure differences between two chambers using a stainless steel diaphragm and is suitable for industrial applications. It features LCD display, 4-20mA output, and relay or transistor outputs with overcurrent protection. This manual is written in Chinese.
| Measurement Range | 0～100kPa～0.1MPa～35MPa |
|---|---|
| Accuracy | 0.5%FS |
| Power Supply | 24DCV(9~36DCV) |
| Output | 4～20mA+2路NPN/2路PNP/一路无源继电器 |
| Operating Temperature | -20~85℃ |
| IP Rating | IP65 |
| Overload Limit | 不大于量程的1.5倍 |
| Load Resistance | 不大于750欧 |
The measurement range is 0～100kPa～0.1MPa～35MPa.
It provides 4～20mA current output, 2 NPN and 2 PNP transistor outputs, and one relay output.
The operating temperature range is -20 to 85°C.
The device has an IP65 rating, suitable for harsh environments.