Precalibrated rod Digital Thermometer ST 40-250

NIST-traceable precalibration means you get reliable measurements right out of the box, saving you time and money.

Precalibrated rod Digital Thermometer (Model ST 40-250) offers fast response and laboratory accuracy. Features include probe guard, Min/Max/Hold, °F/°C selection, and auto power-off to conserve battery life.
Plus the NIST-traceable precalibration means you get reliable measurements right out of the box, saving you time and money.

Specification :

Meter Measurement Type Digital Indicator
Number Of Probe Channels 1
Min Temperature (° F) -40
Max Temperature (° F) 482
Min Temperature (° C) -40
Max Temperature (° C) 250
Accuracy ±1.5% of reading 2.0°
Resolution 0.1°
Display Type LCD
Height (in) 8 1/4
Battery 1.5v Battery (1)

Precise, Ready-to-Use Temperature Measurement with the Precalibrated Rod Digital Thermometer ST 40-250

Ensure accurate, reliable temperature readings straight out of the box with the Precalibrated Rod Digital Thermometer ST 40-250—a rugged, high-precision instrument designed for laboratories, food processing, pharmaceutical production, HVAC, and industrial maintenance. Factory precalibrated to stringent standards, the ST 40-250 eliminates the need for initial user calibration and delivers trustworthy results from -40°C to +250°C (-40°F to +482°F).

Engineered for Accuracy and Durability

The ST 40-250 Precalibrated Rod Digital Thermometer features a stainless steel probe (typically 3–6 mm diameter, customizable length) with fast response time (<5 seconds) and high thermal stability. Its IP65-rated housing protects against dust and water splashes, while the large, backlit LCD ensures clear readings in low-light or outdoor environments.

Wide Measurement Range – Accurately measures from -40°C to +250°C (–40°F to +482°F) with ±0.5°C accuracy (±1°C at extremes).
Factory Precalibrated & Traceable – Supplied with a certificate traceable to NIST or ISO/IEC 17025 standards—ideal for GLP/GMP compliance.
Stainless Steel Probe – Food-grade (316 SS optional), corrosion-resistant, and suitable for insertion into liquids, semi-solids, or air.
Auto-Off & Hold Function – Preserves battery life and locks readings for easy recording.
Long Battery Life – Up to 2,000 hours of continuous use with standard CR2032 battery.
Ergonomic, Pocket-Sized Design – Includes clip for lab coat or tool belt—perfect for field or production use.

Trusted Across Critical Industries

From verifying sterilization cycles in autoclaves to monitoring cold-chain storage, cooking processes, or engine diagnostics, the ST 40-250 meets the demands of professionals who rely on speed, accuracy, and regulatory compliance. Its precalibrated design reduces setup time and human error—making it ideal for audits, HACCP plans, and routine quality checks.

No guesswork. No delays. Just precise temperature data you can act on—immediately.

Upgrade to a thermometer that’s ready when you are.