Gill WindObserver 75 Wind Sensor 1390-75-B-313 – Used / Untested

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Gill WindObserver 75 Wind Sensor 1390-75-B-313 – Used / Untested

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Price Note
I have multiple Gill wind sensor units available in different physical conditions and configurations. Pricing varies by overall presentation, label clarity, connection style, cable condition, and buyer confidence. The cleanest units are priced higher, and rougher or more modified examples are priced lower. Serious offers are welcome. Please send me a message for inquiries.

Asking price range
From 14,900 kr and up, depending on condition and configuration.

Item overview
This is a professional Gill ultrasonic wind sensor from the WindObserver family, built for demanding marine, industrial, and weather-monitoring use. Gill’s WindObserver range is designed with stainless-steel construction, solid-state ultrasonic sensing, and no moving parts, and the family is used in applications such as marine systems, dynamic positioning, airport weather systems, and harsh-environment monitoring. Gill product information also notes RS422/RS485 output options across the WindObserver range and robust IP66 environmental protection. These units are being sold used and untested, with condition varying from unit to unit. Some units have connector-style bases, while others have attached flying-lead cables, and some show stronger cosmetic or wiring-related wear than others.

Highlights

• Professional Gill ultrasonic wind sensor


• WindObserver family design


• Stainless-steel industrial construction


• No moving parts


• Suitable for marine, industrial, research, and weather applications


• Some units labeled 1390-75-B-313


• Multiple units available


• Condition and connection style vary


• Offered used and untested


• Rare niche equipment on the second-hand market

Technical details

• Brand: Gill Instruments Limited


• Product family: WindObserver ultrasonic anemometer line


• Construction: stainless steel


• Sensing type: ultrasonic wind sensor / anemometer


• Typical use cases: marine systems, dynamic positioning, airport weather systems, industrial monitoring, research


• Output family information: WindObserver documentation describes RS422/RS485 output options on applicable models


• Environmental protection: IP66 stated for the WindObserver range


• Configuration differences in the range may include connector base or cable gland with attached cable, plus different mount options depending on version.

Condition
Used and untested. Units vary in cosmetic condition, label readability, connector or cable style, and cable-end condition. Some units present very cleanly and look suitable for a premium listing, while others show more wear, oxidation, label wear, modified cable ends, or heavier handling marks. Sold as-is, with no guarantee of present-day function, calibration, or completeness beyond what is shown in the photos.

What buyers need to know
These are professional industrial sensors, not consumer products. Buyers should verify compatibility, wiring, communication, system integration, and final configuration themselves. Some units appear to be cleaner connector-base versions, while others have attached flying leads with varying termination quality. Any old stickers or markings that suggest previous testing should be treated as historical notes only, not a current guarantee.

About the brand
Gill Instruments is a UK manufacturer known for ultrasonic wind sensors and related environmental measurement equipment. The WindObserver line is used in critical and harsh-environment applications, including marine and weather systems, and is built around solid-state sensing with no moving parts.

Price reference
Current Gill WindObserver-family retail references from a reseller show professional WindObserver units in the roughly £2,518 to £3,707 ex VAT range depending on model and options, with additional charges shown for base connector, longer cable, and mount configurations. That supports a high replacement-cost profile for these units even though your listings are for used, untested examples.

Unit-Specific Notes:

Unit 1
Price: 22,900 kr

Observed label details

• Part number: 1390-75-B-313


• Serial number: 1911032


• Gill Instruments Limited label visible


• “Hot surface” warning ring visible

Configuration observations

• Presents as a connector-base style unit


• Connector area visible


• No attached long flying cable shown in listing photos

Condition observations

• Clean overall presentation


• Arms and sensor heads appear complete


• Label readable


• Minor oxidation/discoloration visible around the lower ring/base area

Condition note
Used and untested. Clean overall example with readable label, intact sensor arms, and connector-style base. Minor cosmetic wear and some oxidation/discoloration around the lower ring/base area. Sold as-is without current functional testing.

Unit 2
Price: 23,900 kr

Observed label details

• Part number: 1390-75-B-313


• Serial number: 2006019


• Gill Instruments label visible


• “Hot surface” ring visible


• CE mark and crossed-out bin symbol visible

Configuration observations

• Presents as a connector-base style unit


• Connector pins visible


• No long attached cable shown

Condition observations

• Very good overall presentation


• Label readable


• Connector area looks clean


• Arms and sensor heads appear complete and straight


• Slightly cleaner and more uniform than Unit 1

Condition note
Used and untested. Very clean connector-style unit with readable label, intact connector pins, and good overall presentation. Minor cosmetic wear from handling/storage. Sold as-is.

Unit 3
Price: 16,900 kr

Observed label details

• Gill branding visible on worn label


• Earlier photos suggested same WindObserver 75 style, but this unit presents as a cable-attached version


• Full serial not clearly readable from the photos you sent for this one

Configuration observations

• Attached flying lead cable


• Exposed/stripped wire ends


• Cable remains attached to body

Condition observations

• Sensor body and arms appear complete


• More cosmetic wear than Units 1 and 2


• Label wear present


• Cable end looks handled and more uncertain for buyers


• Still a decent unit, but less premium

Condition note
Used and untested. Cable-attached version with exposed/stripped wire ends. Sensor body and arms appear complete, with moderate cosmetic wear and label wear. Sold as-is for testing, reuse, or parts.

Unit 4
Price: 14,900 kr

Observed label details

• Label shows Model: 1390


• Serial number: 064301


• Older Gill Instruments label style


• CE mark visible

Configuration observations

• Attached long cable


• Cable gland / cable-attached base style


• Cable end appears heavily modified/taped

Condition observations

• Main body still decent


• Arms appear complete


• More uncertainty than the others


• Rougher cable termination and heavier cable handling


• Lower confidence listing compared with the cleaner units

Important note
This one is clearly a Gill 1390-series unit, but from the photos alone I would describe it more cautiously than the clearly labeled 1390-75-B-313 units.

Condition note
Used and untested. Older Gill 1390-series cable version with long attached cable and modified/exposed wire termination. Sensor body and arms appear complete, but the cable end shows heavier prior handling. Sold as-is for testing, reuse, or parts.

Unit 5
Suggested asking price: NOK 22,900

Observed label details

• Part number: 1390-75-B-313


• Serial number: 1812007


• Gill Instruments Limited label visible


• Yellow service/test sticker visible


• “Hot surface” ring visible

Yellow sticker reads

• Testet! OK!


• NMEA (M5) OK


• Heating ON (H2) OK


• Blindern, 20.12.2018

Configuration observations

• Connector-base style unit


• Protective cap fitted over connector/base area

Condition observations

• Strong premium candidate


• Clear label


• Useful historical test sticker


• Arms appear complete


• Minor oxidation/discoloration around lower ring/base area


• Presents very well overall

Important wording for listing
The sticker is helpful, but should be treated as a historical service/test note, not proof of current working condition.

Condition note
Used and untested. Clean connector-style unit with readable label, protective connector cap, and intact sensor arms. Also carries an older service/test sticker noting previous OK status for NMEA and heating dated 20.12.2018, but current function has not been tested by us. Sold as-is.

SEO keywords
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JYP 20260312 - Z70 (x4), C51 (x1)

Media & Photos
https://drive.google.com/drive/folders/1wcWwoHHl7OE3BIrSr7-2Ogqbvp7FInM3?usp=drive_link

Shipping & Pickup
- ✔ Worldwide shipping available
- ✔ Local pickup in Oslo by appointment

Payments
- Payment via Vipps is fast and smooth.
- PayPal (if available in the platform)
- Bank transfer
- Crypto (by arrangement)

Delivery
- Normal delivery time within Norway with Posten/Bring is typically 1–3 business days, depending on your location and Posten/Bring handling time.
- International delivery time (outside Norway) varies by country and shipping service.
- Same-day delivery in Oslo: +300 NOK (arranged via message)
- Express delivery 24/7/365 (outside normal hours) – extra fee:
  - Oslo: +2,000 NOK
  - Region triangle (Halden–Sandefjord–Hamar): +5,000 NOK

Returns
- Returns are accepted. Buyer covers return shipping cost if a return is needed.

VAT & Import Taxes (International Buyers)
- Prices may be shown without VAT for international orders.
- Buyers outside Norway may be required to pay import duties, VAT, or customs fees depending on local regulations.
- Any additional import charges are the buyer’s responsibility.

Additional Information:

This item is listed through BenBig, a classifieds sales platform where we offer a range of professional and technical equipment. We ship worldwide and welcome international buyers. Flexible payment options are available, and cryptocurrency payments are accepted in addition to standard payment methods. Please contact us to discuss shipping arrangements or payment details.

This item is also listed on multiple platforms, including Finn.no and Tradera.

Buy on Finn.no (Norway):
https://www.finn.no/recommerce/forsale/item/454961479

Buy on Tradera:
https://www.tradera.com/en/item/1708/721708459/gill-windobserver-75-wind-sensor-1390-75-b-313-used-untested

AI Help (Optional)
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Persveien, Ulven, Oslo

26-03-26

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