Skip to Main Content »

Search Site
  • Currency: £

Spectra LR30W-MM Detector Kit

Have a question? Freephone: 08000 869 769
× Our promise to you: Buy from Laser Levels Online, safe in the knowledge that you have paid the best price and that each and every product will have been expertly checked and calibrated by specialists who are able to provide you with free help and support by phone.

Covid-19: We will be open and dispatching orders, as usual, tomorrow (Wednesday 8th).

Orders placed now will typically be delivered free by DPD on Thursday 9th (England, Wales, Scottish Lowlands) & Friday 10th (Highlands, Northern Ireland & Republic of Ireland).


Wireless Magnetic Machine Laser Detector with Wireless Cab Display & Magnetic Mount

Model: LR30W-MM


£1,280.99 Incl. VAT: £1,537.19

Availability: In Stock - Dispatched within 3 Days

EU Warehouse Stock: Only 2 left - order soon!

Product overview:

Rugged 360-degree laser detector with wireless connectivity to RD20 Wireless Cab Display

The Spectra Precision® LR30W Wireless Laser Detector is designed to be used as a stand-alone display detector for skid-steer loaders, backhoes, excavators, dozers, scrapers, levelers and trenchers. Designed for use in harsh environments, the LR30W is 100% weatherproof and features 360-degree laser detection. 


The Spectra LR30W Machine Control Detector is designed for outdoor machine grading and links wirelessly to the Spectra RD20 remote display to provide an in-cab display of elevation and audible signals. This standalone laser detector can be used on a wide range of machines, such as dozers, backhoes, excavators, scrapers, skid steers and levelers. The LR30W also features a 360-degree reception and works with any red beam, rotating lasers.

LED and Display Channels:

With adjustable, ultra-bright LED with green on-grade display, this Spectra machine control receiver offers clear viewing to match ambient lighting conditions. In addition, moving and getting back in the beam is easy with five channels of grade information and a directional out-of-laser beam indicator.


For easy access to the most common functions, the LR30W features a touch panel that provides low-battery warning, dead band selection and display-brightness buttons.

Multiple Accuracies:

The LR30W offers three accuracy settings: fine, medium and coarse. This allows construction professionals to work with maximum flexibility to meet jobsite requirements, from rough grading to final finishing.

Precise Laser Strike Positions:

For the highest accuracy and grade performance, this wireless machine control laser detector provides a continuous, absolute laser strike position to precisely measure the actual height deviation from on-grade.

Mounting Knobs:

The LR30W’s large front-facing knobs allow for quick and hassle-free installation to a round pipe or square tubing. (An MM-1* magnetic mount is also included.)

Rugged and Water Resistant:

Constructed of durable polycarbonate and aluminum die cast housings, this machine control receiver can withstand harsh weather and construction site conditions. It also has an internal isolating shock mount that protects the unit against drops. Using the included rechargeable NiMH batteries, it works up to 50 hours or approximately 75 hours with 4 x type C alkaline batteries.

Magnetic Mount (MM-1*)

A very powerful magnetic mount is included in the kit, having a 750mm support post giving unparallelled fixing support for the LR30W detector.


This Spectra Precision wireless machine control receiver comes with a hard carry case, rechargeable batteries, charger and 2-year manufacturer's warranty.

Product video:

Please note: The Spectra Precision promotional video may demonstrate the LR30W instrument in conjunction with optional accessories that are not included as standard. Please check the "Kit comprises of" section to ensure the accessories you require are included.

Please note: The Spectra Precision promotional video may demonstrate the RD20 instrument in conjunction with optional accessories that are not included as standard. Please check the "Kit comprises of" section to ensure the accessories you require are included.

Technical specification:

The Spectra LR30W-MM will operate with any RED beam rotary lasers levels. It will not work with GREEN beam lasers. There are currently no magnetic machine detectors for green beam lasers.

Manufacturers data:

Please click HERE to visit the manufactures data page.

Product Comparison:

Please note: Some features listed are only available using optional accessories.

Calibration and servicing:

We check and calibrate all Lasers prior to dispatch, to ensure they meet or exceed the manufacturers published specifications at the time of shipment from the factory.
If you routinely work on large job sites, which require you to have a physical Calibration certificate, issued in your name and matched to the Laser via its serial number, you must ensure you tick the above box marked "Paper Certificate" (where applicable) to add a Calibration certificate to your order. The Certificate will then be generated and included with your Laser. Please note the issuing of a Calibration certificate DOES NOT delay or hold up the despatch of your Laser in any way.

Kit comprises of:

LR30W Spectra Wireless Detector with rear mechanical clamp
Set of NiMH rechargeable batteries

Universal mains charger

12V dc power cable & adapter

RD20 Wireless Cab Display with standard "velcro" mount.

RDM-1 Swivel Mount with suction cup (OPTIONAL ITEM)

Set of rechargeable batteries

12V dc power cable (car lighter type)

MM-1 Magnetic Mount (or DM-20 Bulldozer mount)

Hard carry case (for detector / cab display)
User Manual & Safety Instructions

2 Year Warranty

VAT Invoice:

When the order is dispatched, a PDF (digital copy) of the VAT invoice will be attached to the dispatch confirmation email and a paper copy of the VAT invoice will be in the box.

Key information:

Model LR30W-MM
Brand Spectra Precision
Type Magnetic Detector / Receiver
Laser beam Dot
Laser colour Red Beam
Usage Outdoor
IP rating IP67 (Dust tight / Protected against the effects of temporary immersion)
Warranty Automatic 2 Year Warranty

Frequently bought together:

Customers who bought this product also commonly purchased the following combination of items.

This Item: Spectra LR30W-MM Detector Kit

Spectra LL300N Premium Kit
£499.99 Incl. VAT: £599.99 As low as: £557.99

Price for all: £1780.98 Excl. VAT.

You may also be interested in the following similar products:

Spectra LR60W-MM Detector Kit

Spectra LR60W-MM Detector Kit

£2,000.99 Incl. VAT: £2,401.19
Spectra CR600 Magnetic Detector

Spectra CR600 Magnetic Detector

Was: £339.00

Sale Price: £274.00 Incl. VAT: £328.80

As low as: £312.36
Spectra LR50W-MM Detector Kit

Spectra LR50W-MM Detector Kit

Was: £1,299.99

Sale Price: £1,249.99 Incl. VAT: £1,499.99

Questions and answers about this product:

Please click the relevant question to display the answer. Or you can ask your own question by clicking the "Ask a Question" button.

Common Questions: Can you ship to my country and how much does it cost?
Answer: Yes, we deliver worldwide. Simply add your products to the basket and at the checkout enter your details and it will then calculate the cost of delivery and show you a full total.
Common Questions: I am outside the UK and have an EU V.A.T, C.B.L, T.V.A, MOMS, I.V.A, BTW or USt number - How do I remove UK VAT?
Answer: You can enter your V.A.T, C.B.L, T.V.A, MOMS, I.V.A, BTW or USt number at the checkout and if it is valid, UK V.A.T will then be removed and set to 0%.
Common Questions: Is the product in stock?
Answer: Yes, if it says 'In Stock' then it's in Stock.

Posted by Ali raza toor on Wednesday 4th of March 2020


Hi dear sir I just would like know if Trimble Spectra precision LR30 laser receiver rod eye compatible with Trimble 0365-2040 Blade-Pro Control Box or Trimble CB420 Dual Control Box. Please reply Thank you


  • Posted by Laser Levels Online - Support on Wednesday 4th of March 2020

    Hi Raza,

    Typically all our customers use them as a stand-alone display receiver. We have never paired them with control boxes. We believe the LR50 can be used with the Trimble CB25 Control box - but again we have never done this or have any experience in doing this.

    Best regards

    Laser Levels Online


Posted by Will Pratt on Wednesday 12th of February 2020


Hi, I’m looking at buying this with the FRE 203XR kit, are they compatible and is there a bundle price available? Is the in cab displays battery powered? Thanks Will


  • Posted by Laser Levels Online - Support on Wednesday 12th of February 2020

    Hi Will,

    Thank you for your message.

    Yes, the Fukuda FRE-203XR is compatible with all magnetic detectors like the LR30, LR50, LR60.

    I would recommend you purchase the LR50W-MM instead of the LR30W-MM.

    You can see the LR50W-MM here:

    Because it's on sale it works out cheaper than the LR30W-MM but because it's the next model up it adds a plumb indicator which the LR30W-MM doesn't have. It's also available from UK stock (next working day), where as the LR30 comes in from the EU warehouse and takes 3+ days.

    The RD20 in-can display is battery powered.

    There is sadly no further discount available if both are purchased together.

    Best regards

    Laser Levels Online.


Posted by J buckman on Monday 24th of October 2016


Does your reciever work with a Leica 400dg laser?


  • Posted by Laser Levels Online - Support on Monday 24th of October 2016

    Hi Jonathan,

    Yes, it will work with any visible red beam laser like the Leica 400dg.

    Please note the LR30 is typically dispatched within 3 Days of the order being placed.

    If you have any further questions or require any additional assistance please do not hesitate to contact us.
    Best regards
    Mark Roberts
    Laser Levels Online

Ask Your Question

* Required Fields

This product has been recommended as being suitable for the following trades or applications:

Use spaces to separate recommendations. Use single quotes (') for phrases.

Quickly see a direct comparison of mid-range rotary lasers (on the left), with the equivalent alternative premium brand rotary lasers (on the right).