HDG653 是一款专为液压环境设计的数字压力开关,配备 OLED显示屏。产品采用 304 不锈钢外壳与塑料表头,防护等级达到IP65,能够胜任恶劣工况下的使用需求。
该压力开关采用通用螺纹接口,专为液压系统中的高负载条件而开发,配合 ED 密封方式,确保了优异的⻓期稳定性。此外,产品内置双段旋转结构,用户可根据安装位置自由调整屏幕朝向,始终获得清晰的可视⻆度。
HDG653 还设有多功能按键,支持快速设置迟滞值、上下限值,以及迟滞模式/窗口模式等多种参数。产品标配 1 ⽶⻓的 5 芯M12 航空插头连接线,可直接替换传统的机械式压力开关,方便升级改造。
HDG653 数字压力开关是面向坚固性与可靠性要求极高的工业应用的理想解决方案。您可根据实际需求自由选择多种螺纹连接尺寸、最高达 10,000 psi 的压力范围。
| Accuracy * (4..20mA) | ≤±0.25%FS |
| Accuracy *(开关点) | ≤± 0.5%FS |
| Stability (1 year) | ≤0.25%FS |
| Pressure Cycles | |
| Proof Pressure <10MPa Proof Pressure >10MPa |
2X 1.5X |
| Burst Pressure <10MPa Burst Pressure >10MPa |
3X 2X |
* Accuracy includes non-linearity, hysteresis and non-repeatability
| Operating Temperature | -20…65℃ |
| Media Temperature | -20…65℃ |
| Storage Temperature | -20…125℃ |
| Compensated Temperature | 0…55℃ |
| TC Zero | ±1.5% Max |
| TC Span | ±1.5% Max |
| Isolation (Body to any Lead) | >100MΩ@100VDC |
| EMI/RFI Protection | Yes |
| IP Rating | >IP65 |
| Vibration | ±20g,1Hz~200Hz |
| Shock | 50g,11msec,1/2sine |
* IP Rating is dependent on electrical termination selected. Contact factory for more information.
** IP Rating applies when electrical connector is attached with the appropriate ingress protection.
| Outputs | 4~20mA |
| Excitation | 12-28V |
| Current Consumption | <200 mA |
| Frequency Response (min) | < 50 ms 无阻尼 |
| Zero Offset (of FS) | ≤ ±0.5% typical |
| Span Tolerance (of FS) | ≤ ±0.5% typical |
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