PIECAL 820 Multifunction Process Calibrator

The PIECAL 820 Multifunction Process Calibrator is a compact yet powerful calibration tool designed for technicians who need maximum functionality with minimal complexity. Developed by PIE Calibration, the PIECAL 820 integrates six essential calibration functions into a pocket-sized handheld device, eliminating the need to carry a toolbox full of single-function instruments.

With its intuitive EZ-DIAL Double Click Menu, the PIECAL 820 can be used immediately—no long learning curve required.

Features and Performance

• True Multifunction Capability
  Measures and sources:

  • Milliamp loops (4–20 mA)

  • DC voltage and millivolts

  • Resistance

  • Frequency signals

  • RTDs and thermocouples (14 TC types, 9 RTD curves)

• Pocket-Size, Field-Ready Design
  Small enough to fit in a pocket, yet rugged enough for daily industrial use.

• EZ-DIAL Double Click Menu
  Simple rotary operation allows fast setup without complex keypads or menus.

• Automatic RTD Detection
  Automatically identifies 2-wire, 3-wire, and 4-wire RTDs, reducing wiring errors.

• Auto Stepping & Ramping
  Configurable output stepping and ramping for fast transmitter calibration.

• MIN/MAX Auto Storage
  Instantly capture signal variations during testing.

• Continuity Tester with Audible Tone
  Quickly troubleshoot wiring, opens, and shorts.

• Visual Status Indicators

  • Green LED: frequency synchronization

  • Red LED: overload or invalid signal condition

• Backlit Display & Rugged Accessories
  Includes rubber boot, stand, hands-free carrying case, and test leads for low-light environments.

Why You Should Buy It

• Replaces six single-function calibrators in one tool

• Extremely easy to use—even for new technicians

• Ideal for field, plant, and bench calibration

• Compact and lightweight for everyday carry

• Includes NIST calibration certificate

• Backed by a 3-year warranty with optional extended coverage

FAQ – PIECAL 820

Q: Is the PIECAL 820 suitable for field calibration work?
A: Yes. Its rugged design, backlit display, and compact size make it ideal for field use.

Q: Can it handle both RTDs and thermocouples?
A: Yes. It supports 14 thermocouple types and 9 RTD curves with automatic wire detection.

Q: Does the PIECAL 820 support pressure calibration?
A: No. This model does not support pressure modules.

Q: Is HART communication supported?
A: No. The PIECAL 820 does not include HART functionality.