Case Study: Portable PC with Integrated LCR Meter and High Bright Display

Case Study: Portable PC with Integrated LCR Meter and High Bright Display

Streamlining In-field Test & Monitoring Processes with a
Portable PC with a High Brightness Display and Integrated LCR Meter.
A BVM Case Study


Our client, a global leader in oil field services and operating across 120 countries, provides comprehensive engineered solutions for oil well drilling, formation evaluation, completion, production and reservoir consulting.

The Requirement

With a commitment to both innovation and efficiencies, our client sought a bespoke ruggedised portable PC solution to streamline its in-field test & monitoring processes – one which could integrate their test electronics in the format of an LCR (inductance (L), capacitance (C) and resistance (R)) meter in order to provide a functional test unit with portability & deployment in demanding environments.

The system was to comprise of a high bright TFT touch display to enable good daylight visibility, driven via an embedded PC platform. The system needed the fitting of our clients preferred LCR meter solution and a range of i/o connectors to bring out external connectivity. The system was to be used outside where weather and immediate surrounding environment could be harsh, consequently needing to meet IP65 ingress protection certification.

The Solution

BVM produced a bespoke PELI 1400 Pelicase portable PC solution, comprising a 3.5” single board computer with an Elkhart Lake J6412 SoC processor on board (producing no more than 10W TDP) and a 10.1”, 1280 x 800 high bright TFT with pre-bonded projective capacitive touch interface  – integrated with an LCR meter, B&K 880 (modified with flying leads for switch attachment).

CAD Portable LCR Meter 5
CAD Portable LCR Meter 4
CAD Portable LCR Meter 3

Portable PC with Integrated LCR Meter and High Bright Display
Specification Overview

  • PC Platform
    • 3.5” form factor mainboard configured as follows :-
      • CPU: Elkhart Lake J6412 SoC Processor (TDP 10W)
      • RAM: 4GB RAM
      • Storage : 64GB M.2 SSD
    • I/O: USB 3.0 (x3), LAN (x2), HDMI (x1) LVDS (for TFT interface)
    • Operating System : Windows 10 IoT LTSC 2021 Enterprise
    • Power:  12V DC Input
  • LCD Monitor
    • TFT Size: 10.1”
    • Resolution: 1280×800
    • Brightness: 800cd/m2 (High Brightness)
    • Touch screen: Projective Capacitive
  • Compliance & Certification
    • IP65 and UKCA
  • Mechanical Design
    • Screen and switches integrated within aluminium bezel fascia, screen printed.
    • PC board motherboard & TFT display screen fully enclosed for provision of good EMC protection
    • Ruggedised
    • Waterproofed : Power Switch, 2 x USB 2.0 (with dust cap), 2 x 2-way, transceiver connector with dust cap, 
    • Cooling plate on the bottom of the Pelicase.
  • Environmental Specification
    • Storage temperature: -20°C to +50°C
    • Operating temperature: 0°C to 40°C
    • Waterproofed to IP65 both in storage and in operation.
    • Waterproofed to IP65 both with lid open and closed.
CAD Portable LCR Meter 1
CAD Portable LCR Meter 2

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