Easy to Use Thermocouple Themometers. Large 3 1/2" Digit Display. Single and Dual Input Units. °C/°F Selectable. Data Storage. More
The HH800A, HH801A and HH801B series handhelds are easy to use type K, J or K, J, T, E input thermocouple thermometers. All models feature a large 3 1/2" digit LCD with a maximum reading of 1999.
The HH800A is a single-input model while the HH801A has two inputs and allows for display of T1, T2 or T1-T2. Both models feature T/C offset adjustment and are °C/°F switchable. The HH800A and HH801A also have data storage capability and accept J or K Type thermocouples.
The HH801B offer most of the features of the HH801A, but they accept K, J, T, E thermocouple types. Both units feature settable Hi/Lo limits for both inputs and have an integral alarm beeper. The HH801B also features three displays for simultaneous viewing of both inputs and the differential.
If you are interested in temperature calibration, also select the appropriate temperature probes for the required number of channels.
SPECIFICATIONS:
HH800A/HH801A
Temperature Scale: Celsius or Fahrenheit, user selectable
Measurement Range:
K Type: -100°C to 1372°C, (-150°F to 1999°F)
J Type: -100°C to 1200°C, (-150°F to 1999°F)
Resolution: 1 degree or 0.1 degree from -59.9 to 199.9 degree °C or °F (auto ranging).
Accuracy: Accuracy @ 23°C ±5°C, for 1 year, not including thermocouple error.
±(0.1% rdg + 1°C) on °C
±(0.1% rdg + 2°F) on °F
Input Protection: 24V dc or 24V ac rms maximum input voltage on any combination of input pins.
HH801B
Measurement Range:
K Type: -200°C to 1372°C, -328°F to 1999°F
J Type: -210°C to 1200°C, -346°F to 1999°F
T Type: -200°C to 400°C, -328°F to 752°F
E Type: -220°C to 1000°C, -364°F to 1832°F
Auto range: 0.1°C/1°C, 0.1°F/1°F
Accuracy: Accuracy @ 23°C ±5°C, for 1 year, not including thermocouple error.
±(0.1%rdg+1°C) on -60°C to 1372°C
±(0.1%rdg+2°C) on -60°C to -220°C
±(0.1%rdg+2°F) on -76°F to 1999°F
±(0.1%rdg+4°F) on -76°F to -364°F
GENERAL
Reading Rate: 1 time per second
Input Connector: Accepts standard miniature thermocouple plugs (flat blades spaced 7.9mm, centre to centre)
Battery: 1.5V x 4pcs AAA size
Auto Power Off: Approximately 20 minutes

Data Logger / Introduction to Data Logging Devices
Technically speaking, a data logger is any device that can be used to store data. This includes many data acquisition devices such as plug-in boards or serial communication systems which use a computer as a real time data recording system. Most instrument manufacturers, however, consider a datalogger a stand alone device that can read various types of electrical signals and store the data in internal memory for later download to a computer.
The advantage of data loggers is that they can operate independently of a computer, unlike many other types of data acquisition devices. Data loggers are available in various shapes and sizes...

How is Temperature Measured?
Temperature can be measured via a diverse array of sensors. All of them infer temperature by sensing some change in a physical characteristic. Six types with which the engineer is likely to come into contact are: thermocouples, resistive temperature devices (RTDs Pt100 and thermistors), infrared radiators, bimetallic devices, liquid expansion devices, and change-of-state devices.
Choose the right temperature measurement instrument for your application...

eBook / Automotive
OMEGA is an industrial sensor and measurement solutions provider with over 50 years of experience. With the ability to provide a complete range of instruments and engineering services it would be difficult to find a better partner for the automotive industry.
OMEGA has a track record of providing state-of-the-art sensors and measurement instrumentation for the automotive industry. With our vast experience and knowledge in industrial applications and development of high quality measuring instruments, sensors and complete solutions...
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