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Tianjin Jisite Instrument Co., Ltd
Back pressure type pressure controller
NegotiableUpdate on 05/19
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Overview
The GT230 back pressure type pressure controller is widely used in chromatography, mass spectrometry, and online detection equipment. The product adopts closed-loop control and has a high control progress. Can be paired with chromatography columns, gas barriers, and other devices to achieve precise pressure and flow control. It is recommended to use Gisite microporous gas barriers for better control effects.
Product Details
l Product features
l High precision, high-resolution control, precision control0.01psi
l Compact appearance design, ultra small package
l Adopting electromagnetic proportional valve, with long service life and fast response speed
l Built in pressure, atmospheric pressure, and temperature sensors
l It has two control modes: absolute pressure and gauge pressure, and comes with temperature compensation
l Internal closed-loop control with high stability
l Can be equipped with built-in air resistance
l Typical Applications
l gas chromatograph
l Environmental monitoring equipment (such as VOCS, etc.)
l Micro reaction device and material preparation experimental apparatus
l gas generator
l Gas flow control
Parameter Information
| physical parameters | Electrical parameters | operating parameters |
| valve | Working Voltage | Pressure range in psi |
| Electromagnetic proportional valve | 12V±10% / 24V±10% | -1~1/-15~15/0~60 /0~100/0~150 |
| medium | Digital control signal | Pressure accuracy |
| Non corrosive gas | RS-485 MODBUS RTU | ±0.25% FSS |
| Operating environment | Simulate control signals | response time |
| 0-50℃ | Analog voltage signal 0.5-4.5V | ＜ 100ms (depending on inlet pressure) |
| Storage temperature | Maximum current requirement | linearity |
| -40~85℃ | ＜200mA | Full range ≤ 0.5% |
| long×wide×tall | power | pressure resistance |
| 50×24×55mm | ＜2W | 1MPa |
l Interface Definition
l workprinciple
l Product Selection
Thank you for purchasing and using GistGT230 Back Pressure Type - Pressure Controller(EPC)。
This manual describesGT230 Back Pressure Type - Pressure ControllerFunction, performance, and application methods for achieving optimal product performance.
Please note the following when using this product:
l Before using this product, it is necessary to read and understand this manual thoroughly to ensure proper use.
l Personnel using this product should have basic knowledge of electrical systems.
l Please keep this manual safe to ensure that it can be accessed at any time when needed.
Precautions
l Do not touch the terminals during power on.
l Do not allow metal objects, wires, liquids, etc. to enter the controller, otherwise it may cause dangerous events such as equipment short circuit, electric shock, or fire.
l Do not place this product in flammable or explosive environments.
l Never disassemble, modify, or repair the product or remove any internal components.
l Please set product parameters suitable for system control use. If set improperly, it may cause property damage or accidents due to accidental operation.
l Please calibrate the device within the specified time to ensure its accuracy.
l Before powering on the device, please confirm whether the wiring is correct and whether the power supply voltage meets the requirements of the user manual.
l Gas must be purified before use, avoiding dust, liquids, and oil stains. If necessary, filters should be installed in the air circuit.
l Before use, please confirm whether the gas used matches the calibration gas to avoid errors in flow data.
l Do not use corrosive gases to avoid damage to the EPC gas circuit.
Warranty and Service
l The products produced by our companyEPCWithin one year of shipment, if the user uses the product normally according to the user manual and the product has not suffered physical damage, contamination, modification, or refurbishment, free repairs will be provided if there are any problems.
l The scope of free maintenance does not include gas circuit joints and gas circuit joint sealing rings.
l Please inspect the product promptly upon receipt, and promptly report any issues to the sales personnel.
l During the warranty period, the product must be repaired by our company or authorized service center.
l Our company will not be responsible for repairing or providing warranty for products that have been used by users with toxic, contaminated, or corrosive gases.
l The input gas pressure must meet the product's pressure resistance standard and cannot exceed the maximum pressure required by the product.
l The gas used in the product must be compatible with the sealing material selected by the user for ordering, and the user is responsible for using each gas in accordance with available safety regulations. Incorrect use of the product will void the warranty, and damages caused by incorrect use cannot be attributed to our company.
l Do not disassemble on your ownEPCIf self disassembly causes damage, the warranty promised by our company will be invalid.
Tianjin Jisite Instrument Co., Ltd
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