# Moisture Meter Pen Flir Systems MR40 — pocket electronic hygrometer, AAA battery, 26×31×193 mm

**URL:** https://aio.lv/en/product--flir-systems-mr40--12019977
**Data updated:** 2026-03-13 14:25 (EET)
**Category:** Measuring tools
**Manufacturer:** Flir Systems
**Manufacturer code:** MR40
**EAN:** 793950370414
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 102.49 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 84.70 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--flir-systems-mr40--12019977

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Flir Systems MR40 is a pocket moisture meter pen and electronic hygrometer designed for quick humidity and moisture checks. Powered by AAA batteries, its compact housing (26×31×193 mm) makes it suitable for on-site inspections, building diagnostics, HVAC maintenance and moisture troubleshooting in wood, drywall and other materials.

## Long description

FLIR MR40 
It is a pocket-sized, rugged, single-scale 2-pin moisture meter with integrated flashlight for measuring the moisture content of wood and other building materials - ideal for builders, inspectors, technicians, pest control, roofing, and floor contractors. Providing reliable and accurate measurements at a very affordable price, the MR40 is a fast and easy-to-use moisture quantification tool.

 Easy to use 

Equipped with an easy-to-read LCD display, a simple on / off button with an automatic switch-off function, replaceable pins and sound signaling of the measured range, the MR40 is a simple and effective tool for making reliable measurements.

 Comfortable, portable and durable design 

The MR40 is small enough to be carried in your pocket, splash-proof IP54 and drop tested from 3 meters, so it's always ready to go.

 Reliable and accurate measurements 

The MR40 has all the essential functions you need to quickly check moisture and determine the severity of the problem, including a hold function and a calibration / pin check integrated in the cap.

 Technical specification: 

- Automatic switch-off: 3 minutes
- Dimensions (H x W x L): 193 x 26 x 31 mm
- Display: LCD
- Electrode pins: integrated, replaceable (4 pins included)
- Weight: 80g with batteries
- Working temperature: -10 to 60 ° C
- Flashlight: ~ 40 lumens
- Sound signaling: 5 to 12%: low level of sound signal. 13 to 60%: the higher the beep level, more than 60%: the highest signal level
- Checking the calibration pins integrated in the cap: 0.16
- Measurement accuracy: 5 to 30% MC: +/- 2% 30 to 60% MC: for information only. Note: for materials other than building materials: plywood, drywall and oriented particle board (OSB) check the MR40 material conversion table
- Measurement principle: electrical resistance
- Measuring range: 5% to 60% MC (moisture content)
- Battery life: up to 70 hours without flashlight
- Battery condition indicator: 4 bar battery icon
- Battery type: 2 × AAA alkaline batteries (included)Key Features
equipped with an easy-to-read LCD display, a simple on / off button with an automatic switch-off function
small enough to carry in your pocket, splash-proof IP54 and drop tested from a height of 3 meters
has all the necessary functions needed to quickly check the humidity and determine the severity of the problem, including the measurement hold function and calibration / pin check integrated in the cap
Electrode pins: integrated, replaceable (4 pins included)
Sound signaling: from 5 to 12%: low level of sound signal. 13 to 60%: the higher the beep level, more than 60%: the highest signal level

## Specifications

| Feature | Value |
|---|---|
| Type | Electronic hygrometer |
| Weight | 0.08 kg |
| Battery type | AAA |
| Operating temperature (T-T) | -10 - 60 |
| Number of batteries supported | 2 |
| Power source | Battery |
| Height | 193 mm |
| Width | 26 mm |
| Depth | 31 mm |
| Product colour | Black |
| Purpose | Pocket |
| Batteries included | Yes |
| Thermometer | No |
| Humidity measuring range | 5 - 60 |

## FAQ

### How much does the Moisture Meter Pen Flir Systems MR40 cost, and is it available for purchase?

The price is 102.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Moisture Meter Pen Flir Systems MR40 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Flir Systems products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Flir Systems service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12019977/67616682_large.webp