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SENSORS Level Meter LMK458
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Short-circuit protection permanent
Reverse polarity protection no damage, but also no function
Electromagnetic compatibility emission and immunity according to EN 61326
Approval DX19-LMK 331 only for
stainless steel pressure port
IBExU 10 ATEX 1068 X / IECEx IBE 12.0027X
zone 0: II 1G Ex ia IIC T4 Ga
zone 20: II 1D Ex ia IIIC T135 °C Da
Safety technical maximum values Ui = 28 V, Ii = 93 mA, Pi = 660 mW, Ci ≈ 0 nF, Li ≈ 0 H,
the supply connections have an inner capacity of max. 27 nF to the housing
Permissible temperatures for
environment
in Zone 0: -20 ... 60 °C with patm 0.8 bar up to 1.1 bar
in Zone 1 or higher: -40/-20 ... 70 °C
Connecting cables
(by factory)
cable capacitance: signal line/shield also signal line / signal line: 160 pF/m
cable inductance: signal line /shield also signal line / signal line: 1 H/m
Why Global Buyers Choose O&Kmarts
- Access to a wide range of SKUs across multiple brands and series
- One RFQ connects you to 5,000+ global supplier quotes
- Better availability for urgent and hard-to-find parts
- Faster global delivery via FedEx / DHL / UPS
- Easier access to rare and high-value models
- Flexible sourcing for individual parts or complete solutions
- Lower MOQs and more adaptable buying options
- Multi-brand procurement in one order
- OEM replacement and alternative model solutions available
- Fewer intermediaries, ensuring more competitive pricing
Why Global Buyers Choose O&Kmarts
- Limited to fast-moving SKUs only
- Limited local market availability
- Inventory frequently fails to meet urgent demand
- Long replenishment cycles, often taking weeks
- Rarely stock high-value compressors (e.g. Copeland YHV119)
- Frequently require bundled purchases
- Rigid and difficult MOQ negotiations
- Limited brand selection
- Minimal or no customization capability
- Higher local distribution and markup costs
Top Questions from OKmarts Buyers
Q: Does the OKmarts platform support Bill of Materials (BOM) uploading for rapid mass quoting?
A: Yes. Procurement teams do not need to search for individual parts manually. You can upload an Excel/CSV file containing your complete Bill of Materials (BOM) with part numbers, quantities, and brands. Our automated processing engine, backed by data engineers, will generate a comprehensive consolidated quote within 24 hours.
Q: What quality certificates or compliance documentation can be provided with the shipment?
A: Upon request, we provide standard manufacturer compliance documentation, including Certificates of Conformance (CoC), factory inspection reports, and CE/RoHS certification data sheets to ensure alignment with international regulatory and safety standards.
Q: How does OKmarts ensure data privacy and cybersecurity regarding our corporate blueprints and proprietary purchase data?
A: We protect your data using enterprise-grade SSL encryption and secure cloud architectures. Any technical blueprints, system designs, or proprietary engineering files uploaded to our servers for customization or compatibility analysis are treated under strict confidentiality protocols and non-disclosure standards.
Related Products
Q&A
Q: How can I initiate a return or exchange?
A: To initiate a return or exchange, please go to your account's order history or contact our customer service team. They will guide you through the return or exchange process and provide you with the necessary instructions.
Q: How can I write a review for a purchased product?
A: After completing the order, you can go to the order page and select the items you want to review from the product list. You can share your shopping experience, and feedback on product quality and service to help other buyers make better decisions.
Q: Are there any restrictions on international orders regarding customs duties and taxes?
A: International orders may be subject to customs duties, taxes, and import fees levied by the destination country. These charges are the responsibility of the recipient and are determined by the customs authorities. It's advisable to check with your local customs office for information on potential fees before placing an international order.







