Technical data, tools and notes for refrigeration and electronics technicians.

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Auto Draft mbsmpro
12, Jan 2026
ACME Flare Types

textRefrigeration compressor thread connections are critical components in HVAC systems. Understanding ACME flare specifications, including 7/8" suction, 5/8" discharge, and 1/2" process ports, ensures proper equipment selection, safe installations, and efficient cooling operations in industrial refrigeration applications.

AMS1117 Voltage Regulator mbsmpro
8, Jan 2026
AMS1117 Voltage Regulator

Mbsmpro.com, AMS1117 Voltage Regulator, Common Mistakes, Thermal Design, 1.2V–5.0V, Decoupling, Layout, Alternatives

Flaring Tool Guide mbsmpro
8, Jan 2026
Flaring Tool Guide

A bar-type flaring tool is essential for creating leak-proof connections in copper tubing. Its multiple size openings handle various tube diameters, while the adjustable T-handle provides precise control. This guide covers proper technique, common mistakes, and tool selection.

NOCT-27545 & NRVT35-275 Tool Guide mbsmpro
8, Jan 2026
NOCT-27545 & NRVT35-275 Tool Guide

The NOCT-27545 ratchet wrench and NRVT35-275 flaring tool represent specialized HVAC instrumentation. This guide explains their functions, from creating perfect 45° flares to reaming tubing and driving fasteners in tight spaces, ensuring leak-free, professional installations.

Auto Draft mbsmpro
6, Jan 2026
Spot Welding Machine Circuit

Fabricators rely on the classic spot welding machine circuit featuring a half-wave rectifier for reliable AC-to-DC conversion. A heavy-duty step-down transformer boosts current for nugget formation, while an adjustable timer controls squeeze, weld, and hold phases precisely.​

Electrical Insulators in Overhead Power Systems mbsmpro
4, Jan 2026
Electrical Insulators in Overhead Power Systems

Electrical insulators are fundamental safety components in overhead transmission and distribution networks, keeping high‑voltage conductors mechanically supported while blocking dangerous leakage currents. This article explains the main types of electrical insulators—disc, glass, pin, suspension, strain, post, shackle, egg, railway and precipitator—and compares their materials, voltage ratings, and ideal applications for…

Fitco Wired & Wireless Smart Kit mbsmpro
2, Jan 2026
Fitco Wired & Wireless Smart Kit

Mbsmpro.com, Fitco AC Wired Controller, Remote Kit, WiFi Ready, Smart HVAC Control, Universal Split AC, Thermostat Upgrade

The ECQ VP115 Vacuum Pump mbsmpro
2, Jan 2026
The ECQ VP115 Vacuum Pump

The ECQ Vacuum Pump VP115 is the ideal tool for the artisan bricoleur. With 2 CFM displacement and a durable 1/4 HP motor, it perfectly balances portability and power for residential AC and fridge repairs. This guide covers specifications, maintenance, and why 100% copper winding matters for your daily work.

Toshiba GR-EF37 No-Frost Refrigerator mbsmpro
2, Jan 2026
Toshiba GR-EF37 No-Frost Refrigerator

"Toshiba GR-EF37 350 liter no-frost refrigerator with platinum deodorizer, A-class energy efficiency, R600a refrigerant, 10-year warranty, dual cooling zones"

Siemens SITRANS FM MAG 6000, 7ME6920‑1AA10‑1AA0 mbsmpro
1, Jan 2026
Siemens SITRANS FM MAG 6000, 7ME6920‑1AA10‑1AA0

Siemens SITRANS FM MAG 6000 7ME6920‑1AA10‑1AA0 electromagnetic flow transmitter 115‑230V AC IP67 NEMA 6 high‑accuracy water and process flow measurement with batch control and diagnostics