---
product_id: 5435723
title: "Mel-8704R-PSA EMF Meter - Ambient Thermometer - Flashlight - Programmable Sound Amplifier & CD"
brand: "emf meters"
price: "Bs.4999"
currency: BOB
in_stock: false
url: https://www.desertcart.bo/products/5435723-mel-8704r-psa-emf-meter-ambient-thermometer-flashlight-programmable-sound
store_origin: BO
region: Bolivia
---

# Mel-8704R-PSA EMF Meter - Ambient Thermometer - Flashlight - Programmable Sound Amplifier & CD

**Brand:** emf meters
**Price:** Bs.4999
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Mel-8704R-PSA EMF Meter - Ambient Thermometer - Flashlight - Programmable Sound Amplifier & CD by emf meters
- **How much does it cost?** Bs.4999 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/5435723-mel-8704r-psa-emf-meter-ambient-thermometer-flashlight-programmable-sound)

## Best For

- emf meters enthusiasts

## Why This Product

- Trusted emf meters brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

The Mel-8704R-PSA is a very sensitive device that uses a microphone as a detection sensor / transducer. It is designed specifically to detect very subtle sound wave vibrations within the environment. In addition, an audio output with adjustable gain is provided which allows the user to hear sounds at an amplified level. This is perfect for hearing impaired individuals.

There are 5 individual sensitivity steps that you can use. Each time you press the range button, an LED on top will blink indicating the sensitivity setting selected.

Level 1 = RED is the default (least sensitive)

Level 2 = PURPLE, RED

Level 3 = BLUE, PURPLE, RED

Level 4 = YELLOW, BLUE, PURPLE, RED

Level 5 = GREEN, YELLOW, BLUE, PURPLE, RED (most sensitive)
The Mel-8704R-PSA has 3 modes of operation in the PSA function. The first mode is the "real time mode" which illuminates ALL of the LED's in a linear, sequential format from right to left with NO Sound. The Mel-8704R-PSA is monitoring ALL sounds within the environment and the LED displays every sound wave as it occurs. The second mode is what is referred to as the "Simon mode". With this mode, individual LED lights will come on depending on the sound wave strength. That is to say, it will jump directly to the color that represents the "peak" sound pressure level received. It will announce the strength level using a specific colored LED & tone, and then return to the zero (or baseline) point. The third mode of operation is similar to the "Simon mode", but the individual alarm tones are deactivated. In certain environments, the sound from our piezo alarm may "bounce" off of hard surfaces in the environment so this silent mode prevents this from happening.

## Features

- Measures EMF &amp; Temperature "Cold Spots" Simultaneously
- Built in sound averaging feature that can help to ignore unwanted repetitive back ground noise.
- Custom "Night View" Display
- Mel-PSA earphone option will allow the user to hear very subtle voices and other ambient sounds within the environment.
- CD is chock full of information geared toward both the novice and more advanced Paranormal investigators.

## Images

![Mel-8704R-PSA EMF Meter - Ambient Thermometer - Flashlight - Programmable Sound Amplifier & CD - Image 1](http://ecx.images-amazon.com/images/I/41iJO9uQaHL.jpg)
![Mel-8704R-PSA EMF Meter - Ambient Thermometer - Flashlight - Programmable Sound Amplifier & CD - Image 2](http://ecx.images-amazon.com/images/I/311nUK-cD4L.jpg)
![Mel-8704R-PSA EMF Meter - Ambient Thermometer - Flashlight - Programmable Sound Amplifier & CD - Image 3](http://ecx.images-amazon.com/images/I/31byyPBJBuL.jpg)

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*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-01-29*