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PTL537 differential pressure digital pressure switch

The PTL537 differential pressure digital pressure switch adopts an imported pressure core, which has high accuracy and good stability. Fine compensation for temperature drift and nonlinearity. IP65 and PVC integrated casting wire with strong adaptability can be used in various harsh environments. The dual cavity diaphragm isolation structure can be used for crystallization and micro corrosive media. LCD display, standard current signal output and switch signal output. Reverse protection, small size, light weight, easy installation, maintenance, and use.

Widely used in enterprises and units such as petroleum, chemical industry, sewage treatment, machinery, light industry, scientific research, etc., stainless steel corrugated membrane isolation differential pressure technology is used. The high and low pressure chambers are transmitted to the silicon based pressure sensitive film through contact with high and low pressure through silicone oil, achieving measurement and control of the differential pressure between the two chambers.

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Introduction

The PTL537 differential pressure digital pressure switch adopts an imported pressure core, which has high accuracy and good stability. Fine compensation for temperature drift and nonlinearity. IP65 and PVC integrated casting wire with strong adaptability can be used in various harsh environments. The dual cavity diaphragm isolation structure can be used for crystallization and micro corrosive media. LCD display, standard current signal output and switch signal output. Reverse protection, small size, light weight, easy installation, maintenance, and use.
Widely used in enterprises and units such as petroleum, chemical industry, sewage treatment, machinery, light industry, scientific research, etc., stainless steel corrugated membrane isolation differential pressure technology is used. The high and low pressure chambers are transmitted to the silicon based pressure sensitive film through contact with high and low pressure through silicone oil, achieving measurement and control of the differential pressure between the two chambers.
Structure and dimensions

Parameter

Range	0～100kPa~0.1MPa~35MPa
Detected media	Liquid, gas
Atmospheric pressure	(86～106)kPa
Output signal	4～20mA+1-way passive relay 4～20mA+2 NPN/2 PNP
Accuracy	0.5%FS
Supply voltage	24DCV(9~36DCV)
Stability	Better than ± 0.1%FS years
Classification of waterproof	IP65
Use temperature	-20~85℃
Storage temperature	-20~85℃
Overload limit	Not greater than 1.5 times the range
Relative humidity	35%～90%
Load resistance	>750Ω
Installation site	have no influence
Output speed	100Hz

Process

Retail: Contact customer service - Consult product parameters-Confirm product model-Payment-Logistics shipment-Sign for delivery
Key customers: Contact customer service-Consult industry solutions-Confirm product model parameters-Sign relevant technical contracts-Payment-Logistics shipment-Sign for receipt
After-sales

1. LONGLV provides customers with installation and debugging services, as well as other technical consultations. If necessary, technical personnel can provide on-site technical training. If the customer has any technical questions, the technical personnel will provide a response within 4 hours.
2. LONGLV products are strictly designed and produced in accordance with the ISO9001 international quality system, with a 1-year warranty for sensor products and a 3-year warranty for instrument products, with a 7-day return and exchange policy and lifelong maintenance.
(Human damage is not covered by the warranty, and customized products without quality issues are not returned or replaced.)
3. For returns and exchanges caused by quality issues, Longlv will bear the return and exchange shipping costs. The cost of returns andexchanges for non quality issues will be borne by the customer.
Note: Quality issues refer to customized parameters such as function, size, specifications, and installation method that are not customized according to customer requirements, do not meet functional requirements, have dimensional errors, and have inaccurate accuracy (excluding within the error range).
Customized products require confirmation of drawings by both parties before processing and production. If the product does not meet customer requirements, a written objection must be raised within two weeks. If the customer does not raise an objection within the specified time limit, it will be deemed as qualified acceptance.
If an objection is raised within the deadline and it is confirmed by both parties that it is a product quality issue or production has not been carried out according to the requirements confirmed by both parties, it can be exchanged or refunded. If there are no quality issues and the shipping model andthe contract signed model are complete and correct, no return or exchange service will be provided.
4. The products returned for repair will have a test result issued within 3 working days and the repair will be completed within 7 working days.
After sales consultation
Technical consultation, factory repair, invoices, complaint suggestions, and other related issues. After sales service hotline 021-51601181

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