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FLOWLINE Level Meter LU81-5101
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Range: LU81: 8" to 18.0'
Accuracy: ± 0.2% of range
Resolution: LU81/83: 0.039” (1mm)
Dead band: LU81/83: 8” (20cm)
Beam width: LU81/83/84: 3” (7.6cm)
Configuration: Push button
Memory: Non-volatile
Display type: LCD, 6-digit
Display units: Inch, cm and percent
Supply voltage: 12-28 VDC
Loop resist.: 500 Ohms @ 24 VDC
Signal output: 4-20 mA, two-wire
Signal invert: 4-20 mA, 20-4 mA
Signal fail-safe: 4mA, 20mA, 21mA, 22mA or hold last
Process temp.: F: -7° to 140°/ C: -20° to 60°
Temp. comp.: Automatic
Ambient temp.: F: -40° to 160°/ C: -40° to 71°
Pressure: MWP = 30 psi (2 bar)
Enclosure rating: NEMA 4X (IP65)
Encl. material: Polycarbonate
Encl. hardware: Brass & stainless
Enclosure vent: Water tight membrane
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: How does OKmarts mitigate international shipping delays caused by customs clearance issues?
A: We provide meticulous commercial invoicing, precise HS Code classification, and complete export documentation to minimize customs holding times. For major regional markets, we work alongside experienced customs brokers to ensure compliance with import frameworks.
Q: How can a first-time international buyer verify that OKmarts is a legitimate entity and not a fraudulent website?
A: OKmarts operates under a legally registered corporate entity with verifiable business registration records, global tax compliance IDs, and physical warehouse infrastructure. We can provide corporate bank references, Dunn & Bradstreet (D-U-N-S) numbers, and customer references from established industrial firms in your region to validate our commercial legitimacy before you transfer funds.
Q: Are there any hidden fees, handling charges, or unexpected export tariffs added to the final invoice?
A: Our pricing is transparent. Line items for product costs and shipping fees are explicitly detailed at checkout. Local import duties, VAT, or regional consumption taxes are typically the responsibility of the importer of record unless a DDP (Delivered Duty Paid) arrangement is pre-negotiated.
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Q&A
Q: What should I do if I receive a damaged or defective item?
A: If you receive a damaged or defective item, please contact our customer service team immediately. Provide them with the necessary details and, if possible, include photos of the damage. We will assist you in resolving the issue by offering a replacement, refund, or suitable solution.
Q: Do you support international shipping?
A: Yes, we support international shipping. You can select the international shipping option and provide the corresponding shipping address during the checkout process. Please note that international shipping may require additional fees and time.
Q: Can I sign up for product notifications when an item is back in stock?
A: Yes, you can sign up for product notifications to receive alerts when an item is back in stock. On the product page, you'll typically find a "Notify Me" or "Email Me When Available" option. By providing your email address, you'll be notified once the item is restocked.







