Overview

Every Loop.
Verified. Documented.

Loop Testing covers the complete verification of instrument loops — from field instrument through to the control system — ensuring signal accuracy, wiring integrity, and functional correctness.

We also provide complete loop folder administration — managing loop documentation, check sheets, and sign-off processes throughout the project lifecycle.

Every loop is verified and documented with calibrated readings, wiring checks, and functional test results — providing a complete audit trail for handover.

Scope of Work

What We Deliver

🔄

Loop Checking

Field-to-control system loop verification for accurate signal transmission.

📋

Loop Folder Admin

Complete loop folder preparation, tracking and sign-off management.

🎛️

Functional Testing

Functional verification of control loops, interlocks and shutdown logic.

📊

Signal Verification

4-20mA, HART, and digital signal verification from field to DCS/PLC.

📡

Wiring Check

Loop wiring continuity, polarity, grounding and shield verification.

✅

Documentation

Complete as-built loop folders with test results and sign-off records.

Why This Service

Every Signal
Accounted For.

📋

Organized Documentation

Complete loop folders with structured check sheets and test records.

👷

Experienced Teams

Loop testers familiar with DCS, PLC and safety systems.

✅

Full Audit Trail

Every test signed off — providing a complete verification record.

Our Process

How We Deliver

01

Prep

Loop folder setup and drawing review.

02

Wiring

Loop wiring and continuity verification.

03

Signal

Field-to-DCS signal verification.

04

Sign-Off

Functional test and folder sign-off.

Get a Quote

Need Loop Testing Services?

Share your loop count and project scope — our team will respond within 24 hours.

Other Services

Explore More Services

03
🎛️

Instrumentation

Instrument calibration & installation.

10
✅

E&I Commissioning

E/I commissioning.

14
🌡️

Instrument Laboratory

PSV test bench, dead weight tester, pressure/temperature calibrators.