---
product_id: 59975214
title: "OSMLP-3EW Miniature Digital Panel Meter Window Mount 3 1/2 Digit LCD Display 4-20mA Loop Powered Eng Units °F °C PSI % Decimal Points 3 Position Adjustable Span and Offset"
brand: "open source meter"
price: "R34"
currency: ZAR
in_stock: false
url: https://www.desertcart.co.za/products/59975214-osmlp-3ew-miniature-digital-panel-meter-window-mount-3-1
store_origin: ZA
region: South Africa
---

# ±0.1% accuracy 3.5 digit LCD display 3-position adjustable span/offset OSMLP-3EW Miniature Digital Panel Meter Window Mount 3 1/2 Digit LCD Display 4-20mA Loop Powered Eng Units °F °C PSI % Decimal Points 3 Position Adjustable Span and Offset

**Brand:** open source meter
**Price:** R34
**Availability:** ❌ Out of Stock

## Summary

> 📊 Elevate your monitoring game with precision and clarity!

## Quick Answers

- **What is this?** OSMLP-3EW Miniature Digital Panel Meter Window Mount 3 1/2 Digit LCD Display 4-20mA Loop Powered Eng Units °F °C PSI % Decimal Points 3 Position Adjustable Span and Offset by open source meter
- **How much does it cost?** R34 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/59975214-osmlp-3ew-miniature-digital-panel-meter-window-mount-3-1)

## Best For

- open source meter enthusiasts

## Why This Product

- Trusted open source meter brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Crystal Clear Display:** A sharp 0.45" 7-segment LCD offers easy visibility, perfect for fast-paced environments.
- • **Customizable Readouts:** Switch effortlessly between °F, °C, PSI, %, V, A, KW, and PF to match your exact monitoring needs.
- • **Loop-Powered Efficiency:** 4-20mA loop powered design means less wiring hassle and seamless integration into your system.
- • **Precision You Can Trust:** Experience ultra-accurate readings with ±0.1% full scale precision, ensuring your data is always reliable.
- • **User-Friendly Calibration:** 3-position adjustable span and offset lets you fine-tune measurements with professional ease.

## Overview

The OSMLP-3EW is a compact, loop-powered digital panel meter featuring a 3.5 digit 0.45" LCD display, ±0.1% accuracy, and user-selectable engineering units including temperature, pressure, and electrical parameters. Its adjustable span and offset make it ideal for precise, customizable industrial measurements.

## Description

Model OSMLP-3EW - Miniature loop powered 4-20mA digital panel meter, window mount. OSMLP panel meters are manufactured using mature technologies for high quality, compact, reliable, affordable instrumentation to be utilized in industrial, commercial and OEM environments. Each unit has a 3.5 digit LCD display with 0.45" high digits and a shorting block switch selectable decimal point. All OSMLP digital panel meters have user selectable engineering units °F, °C, PSI, % and Adjustable Span (gain) and Zero (offset). The unit has a 0 to 50 degree C operating temperature, -10 to 70 degree C storage temperature. Construction: plastic foundation with clear viewing window. (Panel gasket and mounting clip included). The panel meter measures 2.54" length by 1.62" width by 0.988" height. Panel Cutout 2.4” length by 1.0” height.

## Features

- 4-20mA Input
- ±(0.1% of full scale + 2 count) Accuracy
- Annunciators: °F, °C, PSI, %, user selectable or V, A, KW, PF
- 0.45" (11.4 mm) 7 segment LCD
- Decimal Points: 3 position, user select-able

## Images

![OSMLP-3EW Miniature Digital Panel Meter Window Mount 3 1/2 Digit LCD Display 4-20mA Loop Powered Eng Units °F °C PSI % Decimal Points 3 Position Adjustable Span and Offset - Image 1](https://m.media-amazon.com/images/I/419Pt2v58bL.jpg)
![OSMLP-3EW Miniature Digital Panel Meter Window Mount 3 1/2 Digit LCD Display 4-20mA Loop Powered Eng Units °F °C PSI % Decimal Points 3 Position Adjustable Span and Offset - Image 2](https://m.media-amazon.com/images/I/71H7BElk2ML.jpg)
![OSMLP-3EW Miniature Digital Panel Meter Window Mount 3 1/2 Digit LCD Display 4-20mA Loop Powered Eng Units °F °C PSI % Decimal Points 3 Position Adjustable Span and Offset - Image 3](https://m.media-amazon.com/images/I/71AnT13MBJL.jpg)
![OSMLP-3EW Miniature Digital Panel Meter Window Mount 3 1/2 Digit LCD Display 4-20mA Loop Powered Eng Units °F °C PSI % Decimal Points 3 Position Adjustable Span and Offset - Image 4](https://m.media-amazon.com/images/I/61LyJeLy19L.jpg)
![OSMLP-3EW Miniature Digital Panel Meter Window Mount 3 1/2 Digit LCD Display 4-20mA Loop Powered Eng Units °F °C PSI % Decimal Points 3 Position Adjustable Span and Offset - Image 5](https://m.media-amazon.com/images/I/61NX+bvbqOL.jpg)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-20*