top of page
Apex Logo.avif
Oil refinery in colorado foothills, smoke coming out of chimney, landing page, ultra clear

Apex Instruments, Inc

"Proven Equipment for the Oil and Gas Industry for over 25 years"

A leading supplier of Petrochemical equipment in the Rocky Mountain & High Plains Region for over 25 years.

Founded in 1998, Apex Instruments is headquartered in Centennial, Colorado.

We have sales representatives that cover the States of Colorado, New Mexico, Oklahoma, Utah, Montana, Idaho, Nebraska, Kansas, Arkansas, North Dakota, South Dakota, Texas, and Wyoming.

We supply cutting edge measurement technology & proven devices to benefit our customer's operating efficiency & accuracy.

Apex Instruments has an ISO 17025 Accredited Metrology Calibration Lab that provides Accredited Calibrations, NIST Tracelable calibrations, and repairs for test equipment. 

download (2).png

Apex Instruments Calibration Lab

ANAB Symbol RGB 17025 Calibration Lab-Wh.avif

Our Calibration Lab can provide you with NIST traceable calibrations. At Apex, we treat your instruments as if they where our own. Dedicated to helping the customer we are willing to go the extra mile to meet your calibration needs.

Tech Bundles

Hand pump

Ralston DPOV-0000

The New Tech Starter Bundle is a complete, field-ready calibration package built to equip technicians with the essential tools for accurate and efficient pressure and signal verification. This bundle includes the Ralston DPOV-0000 hand pump for precise pressure generation, the Ralston Nitropak for clean and portable nitrogen supply, the PIE Cal 211 for reliable loop and signal calibration, and the Crystal HPC50/3000 for high-accuracy intrinsic safe pressure measurement. Together, these industry-trusted instruments provide a versatile, dependable solution for commissioning, troubleshooting, and routine maintenance in industrial environments.

New Tech Starter Bundle 

Ralston Nitro-pak

Ralston Nitro-Pak

Crystal HPC50/3000psi

pressure-calibrator-hpc50-series

Pie Cal 211

PIE-211
digital-pressure-gauge-xp3i

Crystal 3000psi XP3i

The pro calibration & diagnostics bundle is a versatile, high-performance calibration package designed for technicians who need advanced pressure and loop diagnostics in the field. This bundle features the Additel 918 hand pump for stable and precise pressure generation, the Crystal XP3i 3000 psi digital pressure gauge for rugged, high-accuracy pressure measurement, the Fluke 789 ProcessMeter™ for sourcing, measuring, and simulating mA signals, and the Fluke 773 Milliamp Process Clamp Meter for troubleshooting live loops without breaking the circuit. Together, these industry-proven tools provide a powerful, all-in-one solution for commissioning, calibration, and advanced process troubleshooting.

Pro Calibration & Diagnostics Bundle 

Additel pump

Additel 918 Pneumatic Pump

Fluke 789

Fluke

Fluke 773

Fluke

Manufactures Represented 

Ralston
REOTEMP
Additel

Plus Additional Manufactuers - Contact Us to Learn More

Kelly Plates
Ametek
Rexa
Strahman Group
Siemens
Emerson
rosemounttankgauging
Fluke
piecal
Thermoprobe
Drager
bottom of page