Precision Measuring Instruments, Data Loggers & Calibration Services
Tech Instrumentation supplies accurate measuring and monitoring equipment for professionals who depend on reliable results. Our product range includes digital thermometers, temperature probes, infrared thermometers, humidity meters, heat stress and heat index monitors, data loggers, electrical testers and specialized environmental monitoring solutions.
Whether you are maintaining food safety standards, monitoring vaccine or product storage, managing an HVAC system, testing an industrial process or collecting research data, our experienced team can help you select the right instrument for the job. We also support customers with repair, calibration and certification services to help maintain accuracy and extend equipment life.
Shop Precision Instruments by Category
SRH77A-E Temperature, Humidity, Wet Bulb Meter
Cooper-AtkinsThe Cooper-Atkins SRH77A-E Temperature and Humidity Meter is a reliable, fast, and accurate HVAC tool with a backlit display for low-light use. It measures temperature, humidity, wet bulb, and temperature differential across 3 zones.
It includes two temperature probes, a humidity probe, Min/Max memory, scan mode, sealed keypad, auto shut-off, and a rugged case. Temperature range is -40°F to 300°F, while RH range is 10% to 95%.
Includes: 1075 General Purpose Puncture Probe, 4011 Pipe Strap Probe, and 5028 Humidity Probe.
Best-Selling Measurement Instruments
Why Choose Tech Instrumentation
High-Quality & Accurate Instruments
We supply precision measurement and monitoring instruments trusted by laboratories, industrial facilities, and research professionals worldwide. Every product is selected for reliability and performance.
Trusted Brands & Certified Products
Our catalog features leading manufacturers known for innovation and quality. We partner with trusted brands to ensure you receive dependable instruments that meet industry standards.
Expert Support & Fast Service
Our experienced team helps you select the right instruments for your application. From product guidance to calibration and repair services, we’re here to support you every step of the way.
Professional Instrument Repair and Calibration Services
Maintain measurement accuracy and extend the useful life of your equipment with professional repair, calibration and certification support. Customers can complete the service form to submit eligible instruments for evaluation and receive the appropriate service recommendation.
Instrumentation Guides and Technical Resources
Help customers choose and use their equipment with practical guides covering thermometer selection, probe types, humidity monitoring, heat stress and heat index measurement, data logger setup, calibration intervals and instrument maintenance.
TM99A-E Thermistor Thermometer w/ Case & 1075 Probe
Cooper-Atkins
The Cooper-Atkins TM99A-E is a reliable, high-accuracy handheld digital thermometer with a temperature range of -40°F to 300°F. It includes Min/Max memory, hold, auto shut-off, backlight, rugged carry case, and a 1075 general-purpose probe. Great for food safety, poultry, and everyday temperature checks.
Manufacturers
Testimonials
We couldn't be more pleased, the products and services are absolutely fantastic!
Excellent meter! Accurate, fast, durable, and easy to read. Great value and highly recommended.
Repair & Calibration
Just fill out the simple form to send us items for repair, calibration and/or certification
How to Build an Indoor Heat Index Monitoring System That Holds Up
A practical guide to setting up indoor heat index monitoring that holds up to inspection: where to mount monitors, which thresholds to set, how to keep records, and where the HIX1800 fits.
