Skip to Main Content
  • Instrumart
Instrumart logo
  • Products
  • Brands
  • Applications
  • Lab
  • Blog
  • Account
  • Email Us
  • 1-800-884-4967
  • What can we help you find?

    Can’t find what you’re looking for? Contact one of our engineers today. We’re open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET.
    • 1-800-884-4967
    • Email Us
    • Live Chat
  1. Temperature Calibrators
  2. Thermocouple Calibrators

PIE 525B Thermocouple & RTD Calibrator

Automated, high accuracy meter calibrates 14 thermocouple and 12 RTD types .

PIE 525B Thermocouple & RTD Calibrator
PIE 525B Thermocouple & RTD Calibrator
  • PIE 525B Thermocouple & RTD Calibrator
    PIE 525B Thermocouple & RTD Calibrator
  • PIE 525B Thermocouple & RTD Calibrator Bottom View
    PIE 525B Thermocouple & RTD Calibrator Bottom View
PIE 525B Thermocouple & RTD Calibrator
PIE 525B Thermocouple & RTD Calibrator
PIE 525B Thermocouple & RTD Calibrator
PIE 525B Thermocouple & RTD Calibrator Bottom View
Starting at $2,244.00

View Company Reviewsby Trustpilot
Manufactured
  • By PIE Practical Instrument Electronics
Includes
  • FREE Ground Shipping
  • FREE Lifetime Tech Support
Availability
  • Some models in stock. View available part numbers.
Product Manual Product Specs
Questions?
Call 1-800-884-4967 or Email Us.
Open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET.
Trustpilot

Overview

Features

  • Read or Source in °C or °F for your T/C type and RTD curves
  • Resolution to 0.01 °F & °C; Accurate to 0.2°
  • Thermocouple Calibration:
  • Types: J, K, T, E, R, S, B, N, G, C, D, L (J-DIN), U (T-DIN) and P (Platinel II)
    • Or, calibrate from -13.0000 to 80.0000 mV
    • Accuracy: ±(0.008% of Reading + 0.006 mV
  • RTD Calibration:
    • Types: Platinum 10, 50, 100, 200, 500 & 1000 Ohm (alpha = 3850), Platinum 100 Ohm (alpha = 3902, 916, 3926), Copper 10 & 50 Ohm, and Nickel 120 Ohm
    • Or, calibrate from 0.000 to 400.000 and 0.00 to 4000.00 Ohms
    • Accuracy: ±(0.015% of Setting + 0.05 Ohms)
  • Fast calibration with automatic output stepping
  • Automatic detection of 2, 3, or 4 wire connections in RTD mode
  • Compatible with ALL process instruments
  • Cold junction compensated
  • Easy to use and highly portable
  • Calibration Lab Accurate & Stable
  • High contrast graphic liquid crystal display
  • Over-voltage protection to 60 vrms (rated for 30 seconds)
  • 50 hour battery life
  • Flip out stand for bench use
  • Rugged and reliable
  • Meets or exceeds the requirement of AMS 2750 as both a Secondary Standard Instrument and as a Field Test Instrument

Description

The Practical Instrument Electronics (PIE) 525B thermocouple and RTD calibrator is an automated, high accuracy instrument designed to calibrate all your thermocouple and RTD instruments and measure temperature sensors.

Compatible with all process equipment, the 525B works with thermocouple types J, K, T, E, R, S, B, N, G, C, D, L (J-DIN), U (T-DIN) and P (Platinel II) or any millivolt instrument with a range from -13.0000 to 80.0000 mV. The 525B also works with RTD types Platinum 10, 50, 100, 200, 500 & 1000 Ohm (alpha = 3850), Platinum 100 Ohm (alpha = 3902, 916, 3926), Copper 10 & 50 Ohm, and Nickel 120 Ohm or any resistance instrument from 0.000 to 400.000 and 0.00 to 4000.00 Ohms. The PIE 525B meets or exceeds the requirement of AMS 2750 as both a Secondary Standard Instrument and as a Field Test Instrument.

The PIE 525B shows test results on a large, backlit, high contrast graphic liquid crystal display. Automatic output stepping makes calibrations fast. Choose between 2, 3, 5, 11 steps and ramp to automatically increment the output in 100%, 50%, 25%, 10% or 5% of span. Select step time from 5, 6, 7, 8, 9, 10, 15, 20, 25, 30 & 60 seconds.

The 525B is calibration lab accurate and stable. Cold junction compensation is accurate to ±0.09°F. The unit is over- voltage protected to 60 vrms. Automatic detection of 2, 3 or 4 wire connections indicates when individual wire connections are open. Verify proper instrument operation by measuring the excitation current.

PIE 525B Thermocouple & RTD Calibrator Model:

  • PIE 525B-BP: Includes rubber boot and NIST certificate
  • PIE 525B: Includes rubber boot, carrying case, test leads, and NIST certificate

Documents

Spec Sheets

  • PIE 525B Thermocouple & RTD Calibrator Data Sheet PDF (1.1 MB)

Manuals

  • PIE 525B Thermocouple & RTD Calibrator Manual PDF (2.3 MB)

Links

  • All possible part numbers

Accessories

PIE Mini Plug Lead Kit for J, T, E K TCs
PIE Mini Plug Lead Kit for J, T, E K TCs

Mini plug lead kit with stranded wire for J, T, E and K thermocouples.

In Stock
$225.00
PIE Mini Plug Lead Kit for B, R/S, N TCs
PIE Mini Plug Lead Kit for B, R/S, N TCs

Mini plug lead kit with stranded wire for B, R/S and N thermocouples.

In Stock
$175.00
PIE 020-0236 Magnet and Hanging Strap
PIE 020-0236 Magnet and Hanging Strap

Hang your PIE calibrator from racks, cabinets, and from pipes.

In Stock
$20.00

In Stock

Part Number Price Available
PIE 525B
Show Configuration
$2,424.00 2 in stock
Configuration for PIE 525B
Base Price:
$0.00
Model
Includes rubber boot, carrying case, test leads and NIST certificate (+$2,424.00)
Reconfigure

Interested in Other Part Numbers?

Other part numbers are available to order but are not currently in stock. Current availability for non-stock parts is "Usually ships in 4-6 weeks". Click here to select options

Need Help? Call a Calibration engineer at 1-800-884-4967

We're open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET

Shawn S. headshot Shawn S.
Senior Applications Engineer
30 years at Instrumart
Angelo S. headshot Angelo S.
Cal & Pressure Engineering Lead
6 years at Instrumart
Mike C. headshot Mike C.
Senior Applications Engineer
24 years at Instrumart
Brynn O.S. headshot Brynn O.S.
Applications Engineer
3 years at Instrumart
Fabian M. headshot Fabian M.
Applications Engineer
Nate H. headshot Nate H.
Applications Engineer
2 years at Instrumart
Liam W. headshot Liam W.
Applications Engineer
2 years at Instrumart
Mark D. headshot Mark D.
Senior Applications Engineer
14 years at Instrumart
John A. headshot John A.
Senior Applications Engineer
19 years at Instrumart
Shawn S. headshot Shawn S.
Senior Applications Engineer
30 years at Instrumart
Angelo S. headshot Angelo S.
Cal & Pressure Engineering Lead
6 years at Instrumart
Mike C. headshot Mike C.
Senior Applications Engineer
24 years at Instrumart
Brynn O.S. headshot Brynn O.S.
Applications Engineer
3 years at Instrumart
Fabian M. headshot Fabian M.
Applications Engineer
Nate H. headshot Nate H.
Applications Engineer
2 years at Instrumart
Liam W. headshot Liam W.
Applications Engineer
2 years at Instrumart
Mark D. headshot Mark D.
Senior Applications Engineer
14 years at Instrumart

Recently Viewed

PIE 525B Thermocouple & RTD Calibrator
PIE 525B Thermocouple & RTD Calibrator
United States Canada Mexico
Shop
Products
Brands
Applications
Support
Customer Service
Ask a Question
Live Chat
Track Order
Fraud Prevention
Financing
Our Company
Blog
About Us
Contact Us
Jobs
Travel Information
Our Team
Privacy Policy
Terms and Conditions of Sale
Terms and Conditions of Purchase
Accessibility Statement
Connect
1-800-884-4967
sales@instrumart.com
Instrumart
35 Green Mountain Dr
S Burlington, VT 05403 US
Mo-Th 8:00am to 5:30pm ET
Fr 8:00am to 5:00pm ET
Join Us on Facebook
Follow Us on X

Instrumart is a member of a family of industrial stores

Instrumart Compressor World Pump World BioPharm World Filtration World Motion World Qualitrol Engineered Solutions Wholesale Air Pipe
© Instrumart 2025

Family of Industrial Stores

Welcome to our family of stores, your go-to source for a wide selection of commercial and industrial products in the flow control and automation sectors. Each store features a curated range of specialized industrial solutions, with many items designed to complement each other, ensuring you can find everything you need for your specific application. Explore the stores below to discover our extensive product offerings for your business needs.

  • Instrumart

    Shop Industrial and Laboratory Instruments.

    Shop Now!
  • Compressor World

    Shop Compressed Air Equipment.

    Shop Now!
  • Pump World

    Shop Industrial, Water, and Waste Water Pumps.

    Shop Now!
  • BioPharm World

    Shop Sanitary Process Solutions and Products.

    Shop Now!
  • Filtration World

    Shop Industrial Filters.

    Shop Now!
  • Motion World

    Shop Motion Control and Process Automation Systems.

    Shop Now!
  • Qualitrol

    Shop Remanufactured or Repair Automation Products.

    Shop Now!
  • Engineered Solutions

    Shop Custom Engineered and Manufactured Systems.

    Shop Now!
  • Wholesale Air Pipe

    Shop Air Piping.

    Shop Now!