# Analog Voltmeter BLOW 51-140# — panel meter for approx. 40 V range

**URL:** https://aio.lv/en/product--blow-51-140--12047241
**Data updated:** 2026-03-12 19:29 (EET)
**Category:** Measuring tools
**Manufacturer:** BLOW
**Manufacturer code:** 51-140#
**EAN:** 5900804004875
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.49 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 7.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blow-51-140--12047241

## 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

Analog voltmeter BLOW model 51-140# is a panel-mounted instrument designed to measure approximate voltages up to around 40 V. It features a needle indicator and analog scale for visual monitoring of DC or AC voltage levels where approximate readings are sufficient. Suitable for electrical panels, test benches, hobby electronics and basic voltage monitoring tasks.

## Long description

The BLOW analog voltmeter 51-140# is a panel-mounted instrument designed to provide approximate voltage readings up to about 40 V. It uses a needle pointer and a graduated analog scale to display voltage levels in a simple, immediately readable format. The meter accepts DC or AC signals within its measurement range and is intended for situations where visual, coarse monitoring of voltage is sufficient rather than precision metering.
Advantages
The meter offers straightforward, low-complexity operation with a clear analog display that requires no software or calibration routines for basic use. Its panel-mount form factor allows neat integration into electrical cabinets, test benches or control panels. The analog needle provides continuous, instantaneous indication of changing voltage levels, which can be easier to interpret at a glance compared with digital readouts in some applications.
Suitable for
Basic voltage monitoring in electrical panels and distribution boards
Hobby electronics workbenches and DIY projects
Test benches and educational laboratory setups
Equipment and systems where approximate, visual voltage indication is sufficient
Key specifications
Measurement range: approximately up to 40 V
Display type: analog needle with graduated scale
Mounting style: panel-mounted
Measured signal: suitable for DC and AC voltage within range
Use case: coarse/approximate voltage indication rather than precision measurement
How to use
Install the voltmeter in a compatible panel cutout and secure it according to the panel mount dimensions provided by the manufacturer. Connect the meter’s input terminals to the circuit under test, observing correct polarity for DC measurements. For AC measurements ensure the signal is within the instrument’s rated range. After connection, observe the needle position on the graduated scale to estimate the voltage level. Do not rely on this instrument for precise calibration tasks; use it for quick checks and visual monitoring.
Usage recommendations
Verify that the measured voltage does not exceed the meter’s approximate 40 V range before connection. When installing in electrical panels, route wiring to avoid mechanical strain on terminals and ensure secure, insulated connections. For tasks requiring high accuracy, pair this analog voltmeter with a calibrated digital multimeter.

## FAQ

### How much does the Analog Voltmeter BLOW 51-140# cost, and is it available for purchase?

The price is 8.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 25 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. All transactions are 100% secure and encrypted.

### 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 BLOW 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 BLOW 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/12047241/67533699_large.webp