Industry News

Industry News · Page 58

MEASUREMENT & TEST6 min read

Gauge block vs roundness tester for calibration work

Gauge blocks certify linear length (ISO 3650, ±0.05 µm reference grade); roundness testers map circular form deviation with a stylus-and-spindle instrument. The right artifact is dictated by workload dimension, not by budget.

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Dial Indicator Selection: 2026 Shop-Floor Metrology Cell

AGD Group 2/3 dial indicators with 2.25"–2.75" bezels remain the 2026 shop-floor default for runout, alignment, and linear displacement checks, with ASME B89.1.10M governing calibration intervals.

· MEASUREMENT & TEST · 5 min read

Pneumatic vs electric valve actuators: choosing the right power source

Pneumatic and electric valve actuators split the market by power source: pneumatic units convert 80 PSIG compressed air into fast, high-torque quarter-turn motion via rack-and-pinion, scotch-yoke, vane, diaphragm, or linear-piston mechanisms [S9], while electric units gear a 12/24/120 V motor for pr

· PUMPS, VALVES & PIPING · 6 min read

Incremental vs absolute encoder selection: 2026 decision framework

Choosing between incremental and absolute encoders hinges on whether position retention through power loss is mandatory. Absolute encoders output a unique code per shaft position and resume without homing; incremental encoders output relative pulses and require a reference move on every restart. The

· ELECTRICAL & AUTOMATION · 5 min read

How to select SIL ratings for safety instrumented functions

SIL rating selection maps each Safety Instrumented Function to a discrete PFD band under IEC 61508 and IEC 61511, with SIL 1 representing modest risk reduction and SIL 4 the most stringent; selection is risk-based, not device-based.

· SAFETY & CERTIFICATION · 6 min read

Control panel busbar sizing: A = I / J, derating, IEC 61439

Busbar sizing for control panels follows the iterative A = I / J formula with copper at 1.0–1.6 A/mm² current density, then verifies ampacity and fault withstand per IEC 61439-1 — not a one-step lookup.

· ELECTRICAL & AUTOMATION · 5 min read

Strain Gauge Installation: The 8-Point Field Data Sheet

A foil strain gauge bonded to a clean, neutral-solvent-wiped surface and ohmmeter-checked for isolation and volume resistance forms the field-installation baseline used by HBM, Vishay, and Micro-Measurements in their published technical notes.

· MEASUREMENT & TEST · 6 min read

Peristaltic Pump Selection: 7 Key Engineering Criteria

Peristaltic pump selection hinges on seven specs — flowrate, pressure, horsepower, power rating, outlet diameter, operating temperature, and tubing Shore A hardness of 50–65 — catalogued in the 2025 industry guide [S1][S2].

· PUMPS, VALVES & PIPING · 6 min read

Pump Shaft Alignment Best Practices: Methods, Tolerances, and Standards

Precision pump shaft alignment reduces bearing fatigue and coupling wear by up to 50% versus misaligned shafts; ANSI/ASA S2.75-2017 sets pipe-strain limits at 50 micrometers. Four sequential stages—pre-checks, rough-in, precision alignment, documentation—must be followed, with vertical corrections c

· PUMPS, VALVES & PIPING · 5 min read

Rotameter vs Electromagnetic Flow Meter Selection Criteria

Rotameters deliver 1.6%–5% accuracy with zero power draw, suitable for clean liquids in small-bore lines under 2 in; electromagnetic flow meters achieve 0.2%–2% accuracy on conductive fluids but require power and grounded piping. The selection hinges on conductivity, viscosity, installation bore, an

· MEASUREMENT & TEST · 4 min read

NFPA 652 Dust Explosion Prevention: DHA Requirements and the NFPA 660 Consolidation

NFPA 652, the Standard on the Fundamentals of Combustible Dust, is the primary US baseline for managing fire, flash fire, and dust explosion hazards in any facility handling combustible particulate solids. The standard mandates a Dust Hazards Analysis (DHA) as its core compliance instrument and refe

· SAFETY & CERTIFICATION · 6 min read

EtherCAT vs PROFINET: Selecting the Right Industrial Ethernet Protocol for Your

EtherCAT achieves cycle times below 100 µs through processing-on-the-fly architecture, outperforming PROFINET IRT in latency-critical motion control applications. PROFINET IRT reserves deterministic time slots, making it preferable for mixed-traffic factory automation environments where standard Eth

· ELECTRICAL & AUTOMATION · 4 min read

Expansion Joint Selection: Engineering Criteria for Piping Systems

Metal bellows expansion joints dominate high-pressure chemical and power piping with pressure ratings to 500+ psig, while rubber joints serve low-pressure HVAC and water systems below 150 psig. Selection hinges on five engineering criteria: movement type (axial/lateral/angular), maximum working pres

· PUMPS, VALVES & PIPING · 5 min read

Weighing Scale Calibration Standards: OIML vs ASTM Tolerance Classes

Non-automatic weighing instruments in legal-for-trade applications must meet OIML R76 or ASTM E617 tolerance classes, with calibration traceable to national standards via OIML E2/F1 weights or NIST Class F equivalents. Internal span calibration using a single test weight at maximum capacity covers r

· MEASUREMENT & TEST · 10 min read

ESD Grounding Requirements for Electronics Manufacturing Workstations

NASA JSC-66552 mandates third-wire AC line ground for all ESD-protective workstations, explicitly prohibiting separate dedicated ESD grounds that create differential ground potential between operators and equipment. Personal grounding via wrist straps with verified resistance values, combined with c

· SAFETY & CERTIFICATION · 4 min read

Needle Valve vs Globe Valve Precision Flow Control Selection

Needle valves outperform globe valves in flow precision below DN25 at pressures up to Class 6000, achieving fine-tuning capability via conical-seat needle-tip metering, but globe valves dominate process-scale applications (DN15–DN300) where high capacity, frequent cycling, and lower total cost matte

· PUMPS, VALVES & PIPING · 6 min read

SIL Verification Guide: IEC 61508/61511 Compliance for Safety Instrumented Systems

SIL verification under IEC 61508/IEC 61511 proves that a Safety Instrumented Function achieves its target Safety Integrity Level through architectural constraint analysis, systematic capability evaluation, and probabilistic calculation of probability of dangerous failure on demand or per hour. A com

· SAFETY & CERTIFICATION · 8 min read

Motor Protection Relay Settings Guide for Industrial Engineers

Motor protection relay settings require 125% of full-load current per NEC, ground fault pickup at 0.15 × CT (≤10 A), and acceleration trip >15 s. Setting errors cause 34% of motor failures in process plants. Multi-function digital relays now dominate over legacy thermal overload units for three-phas

· ELECTRICAL & AUTOMATION · 5 min read

Oscilloscope Bandwidth Selection: 5 Times Rule and Product Tiers for Engineers

An oscilloscope selected using the "5 Times Rule" provides less than ±2% error in measurements, making bandwidth the most critical specification for signal integrity verification across digital and analog applications. This guide covers definition, selection criteria, product tier comparison, and so

· MEASUREMENT & TEST · 5 min read

UL Certification vs CE Marking: A Practical Engineering Guide

CE marking is a self-declaration passport for products entering the European Economic Area, while UL certification involves rigorous third-party testing recognized primarily in North American markets — the two frameworks share no mutual recognition and serve fundamentally different legal and technic

· SAFETY & CERTIFICATION · 6 min read

Industrial UPS Selection Guide for Process Engineers

Industrial UPS selection for process facilities hinges on matching load type to topology: Standby (5–10 ms transfer, no voltage regulation) suits non-critical ancillaries, Line-Interactive (2–5 ms, basic conditioning) fits small secondary systems, and Double-Conversion (0 ms, full conditioning) prot

· ELECTRICAL & AUTOMATION · 6 min read

Flange Gasket Material Selection for Process Piping Engineers

Buna-N (NBR) dominates non-asbestos compressed fiber gaskets for hydrocarbon service, while PTFE leads in chemical processing — material selection hinges on fluid compatibility, temperature ceiling, pressure class, and fugitive emissions compliance per API 601 and ANSI B16.5.

· PUMPS, VALVES & PIPING · 4 min read

Confined Space Entry Equipment Requirements 2026 Regulatory Framework

Confined space entry equipment requirements in 2026 remain governed by OSHA 29 CFR 1910.146 for general industry, with ATEX 2014/34/EU and IEC 60079 series addressing explosive atmospheres; recent enforcement data shows atmospheric monitoring failures account for 62% of permit-space violations (BLS

· SAFETY & CERTIFICATION · 5 min read

Safety PLC Selection: Matching SIL Rating to Process Hazard Analysis

Safety PLCs certified to IEC 61508 achieve SIL 1–3 integrity through hardware fault tolerance (HFT) and diagnostic coverage, but selection requires calculating PFDavg against plant risk targets rather than matching a label. The choice between a modular Safety PLC (TÜV-certified, ≥99% DC) and a safet

· ELECTRICAL & AUTOMATION · 9 min read

4-20 mA Signal Conditioner Selection: Benchmarks for Process Engineers

A 4-20 mA signal conditioner costs $50-$800 depending on isolation voltage, channel count, and HART passthrough capability. For standard industrial applications, a loop-powered single-channel unit with 1 kV isolation meets most PLC-based process control requirements. Hazardous-area deployments requi

· MEASUREMENT & TEST · 9 min read

API 520 Part 1 Pressure Relief Valve Sizing: Calculation Basis and Selection Logic

API 520 Part 1 sizing for pressure relief valves requires calculating minimum required effective discharge area using the overpressure scenario producing the largest orifice — the 2025 edition specifies 10% overpressure for normal operations, 16% for fire case, and 21% for blocked discharge. The 0.6

· SAFETY & CERTIFICATION · 8 min read

AC Drive Harmonic Mitigation: Selection Criteria and Cost-Balanced Approach

IEEE 519-2022 sets total harmonic distortion (THD) limits of 8% for general systems and 5% for sensitive loads; reactor-based mitigation remains the lowest first-cost path for VFDs under 100 hp on standard 480 V networks, while active front-end drives dominate for 100+ hp applications requiring rege

· ELECTRICAL & AUTOMATION · 3 min read

Progressive Cavity Pump Applications: Mining Slurry and Drilling Fluid Handling

Progressive cavity pumps dominate viscous slurry handling in mining and drilling applications, with API 11AX-registered units achieving 0.5–1.5% volumetric tolerance across a 1,000,000 cP viscosity range. Material selection—316 stainless steel, duplex, or hardmetal-coated rotors—determines wear life

· PUMPS, VALVES & PIPING · 6 min read

Inductive vs Capacitive Proximity Sensors Selection Criteria for Industrial Automation

Inductive proximity sensors detect metal targets through electromagnetic field disturbance with typical sensing ranges of 1–50 mm, while capacitive sensors detect both metal and non-metal targets through changes in dielectric constant at 2–60 mm ranges. Selection depends on target material, environm

· MEASUREMENT & TEST · 5 min read

Fire and Gas Detection System Design: Standards, Sensor Selection, and Architecture

Fire and gas detection system design requires layered sensor placement, compliance with IEC 60079-x and ATEX 2014/34/EU standards, and integration with PLC-based safety shutdown logic. Multi-wavelength optical sensing at 460–940 nm now outperforms single-wavelength detectors for fire classification

· SAFETY & CERTIFICATION · 6 min read

Industrial Surge Protection Device Selection: Specifying SPD Types for 400 V Systems

A Type 2 SPD with 20 kA nominal discharge capacity and 275 V Uc rating covers most 400 V industrial distribution boards, while Type 1 units add 10/350 μs lightning current handling for service-entrance panels with exposed conductors. Schurter's May 2026 acquisition of Biaodi, a China-based high-volt

· ELECTRICAL & AUTOMATION · 6 min read

Gate Valve Maintenance and Repair: Corrosion Protection and Failure Prevention

The global self-healing microcapsule protective coatings market entered a high-growth phase as of May 2026, driven by rising corrosion repair requirements across industrial assets including gate valves in marine and infrastructure applications. Self-healing coatings can extend gate valve maintenance

· PUMPS, VALVES & PIPING · 5 min read

Torque Sensor Selection for Test Benches: Selection Criteria for Powertrain Evaluation

Torque sensor selection for test benches requires matching measurement principle (strain gauge vs. magnetoelastic), shaft configuration (static vs. rotating), and accuracy class (0.1–0.5% FS) to the specific drive system under evaluation, with flange-style sensors dominating powertrain test rigs abo

· MEASUREMENT & TEST · 5 min read

Explosion Proof Motor Selection Guide for Hazardous Area Applications

ABB launched the world's first IE6 Hyper-Efficiency explosion-proof motor for Zones 1 and 2 in May 2026, delivering 60% lower energy losses than standard IE3 induction motors using magnet-free synchronous reluctance technology certified to ATEX 2014/34/EU and IECEx. This guide covers selection crite

· SAFETY & CERTIFICATION · 7 min read

Research Gap: NPN vs PNP Proximity Switch Wiring

No research material available (S1-S6) addresses proximity switch wiring, NPN, or PNP output configurations. Published sources cover nuclear plant proximity studies, Festo gripper systems, and unrelated PCB/wiring topics.

· ELECTRICAL & AUTOMATION · 2 min read
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