
Digital Water Level Indicator
1. PNP,Voltage and Current output for optional.
2. PNP switch point setting, time delay setting for action.
3. OLED display.
4. Switch body rotate 340°.
5. Display turn 180°.
6. Pressure peak value display.
7. Ranges drift function(proposing not exceed 4:1).
8. Change-over of different engineering units.
9. MODBUS RTU Communication for optional.
Our integrity, strength and product quality have been highly recognized by the Compression Load Cell, Water Differential Pressure Transmitter, Strain Gauge Pressure Sensor industry and society. Through independent innovation, our company has established our own technical advantages. In recent years, we have established long-term cooperative relations with many enterprises, and sincerely welcome friends from all over the world to visit, investigate and negotiate business.
LED digital water pressure switch
Description
UPS1 LED digital water pressure switch is newly developed by UTOP. It combines the functions of pressure measurement, display and control together. UPS1 adopts the advanced MCU and DSP IC, equipped with high reliability of power management module, and also integrated high quality piezoresistive pressure sensor (UPX19 model). After our R&D engineer's careful design and calibration, UPS1 realizes the feature like high speed response and good electromagnetic compatibility.
UPS1 LED digital water pressure switch realizes the visual processing for process pressure and switch contact state through its switch output, analogue output and displaying screen. This product can be provided with various output configuration to meet different application. UPS1 has the functions of delay setting, manual reset(clear zero), as well as peak value display etc.
The display screen can rotate 180°, and switch body can rotate 340°. UPS1 supports serial port 232 level communication, it adopts MODBUS-RTU PROTOCOL.

Features
◆PNP , Voltage and Current output for optional;
◆PNP switch point setting, time delay setting for action;
◆OLED display;
◆Switch body rotate 340°;
◆Display turn 180°;
◆Pressure peak value display;
◆Ranges drift function(proposing not exceed 4:1);
◆Change-over of different engineering units;
◆MODBUS RTU Communication for optional
Specifications
switch configuration | 1 x PNP 2 x PNP 1 x PNP + 0~5V or 0~10V voltage output 1 x PNP + 0~20mA or 4~ 20mA current output 2 x PNP + 0~5V or 0~10V voltage output 2 x PNP + 0~20mA or 4mA~20mA current output |
| switch current | Max. 1.2A |
| swtich response time | <10ms |
| swtich delay | can be set |
| switch action mode | delaying mode or window mode |
| pressure ranges | -1...0~0.1...1000bar |
| range drift | 25~1000%FS |
| pressure type | absolute, gauge, sealed pressure |
| accuracy | 0.25%FS,0.5%FS |
| display | 5-digit OLED |
| display range | -32767~32767 |
| selectable units | Kpa, MPA,Pa.bar, psi,kgf/cm2,mH2O,mbar,mmHg |
| switch display | 2 red LED |
| long-term stability | <0.2%FS/year |
| supply voltage | 10~36VDC |
| operating temperature range | -30~+80℃ |
| temperature coefficient of zero | 0.2%FS/10℃ |
| temperature coefficient of span | 0.2%FS/10℃ |
| process connection | G1/2 or others |
| electrical connection | 5-core M12x1(8-core M12x1, 232 serial port, MODBUS RTU Protocol) |
| housing material | 304 Stainless steel |
| peak value display | pressure peak value |
| protection | IP 65 |
Application
UPS1 LED digital water pressure switch is widely used for industrial site pressure control in pump, hydraulic and pneumatic equipments.
Our company's Digital Water Level Indicator are produced in batches to ensure that the products are cheap and high quality. We are dedicated to providing excellent customer service. We adhere to the people-centered thinking, adhere to the purpose of serving the people wholeheartedly, always practice the value pursuit of people's happiness, and take meeting the people's power needs for a better life as the starting point and foothold of all the company's work.
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