product id: 105086
The Time Electronics 1090 is a precision portable process calibrator that combines source and measurement functions for thermocouples, PT100s, µV, mV & mA. As a multifunction instrument the 1090 combines accuracy and durability with simple operation, making it ideal for process plant applications.
The Time Electronics 1090 process calibrator is able to measure and simulate the temperature and mV characteristics of J, K, T, R, S, B, N and E thermocouples and can operate with or without internal cold junction compensation. The 1090 also measures and simulates PT100, based on 0.3850 alpha probe standard, over a range of -200°C to 700°C. The display can be easily changed from °C to °F. The equivalent uV (thermocouples) and ohms (PT100) can also be shown.
The Time Electronics 1090 process calibrator has measurement ranges of 0 to +/-30mV and 0 to +/-60mA and source ranges are 0 to +/-80mV and 0 to +80mA. The 1090 has a general-purpose inching function. This adjusts the output in fixed increments of temperature (thermocouples only) or voltage or current. The set-up menu gives a the user a choice of three levels of increment i.e. 0.1, 1 or 10 for °C/°F, or 1, 10, or 100 uV/uA for voltage/current. The lowest of these represents the highest setting resolution and provides the most precise control of the output. This is especially useful for calibrating thermostat controllers that have tight specification on hysteresis.
Up to 10 values can be stored in the 1090's non-volatile memory and they can be recalled at any time. The user can also manually step through them in sequence using the step key. Continuous stepping (auto-step) is also available at any user selectable rate between 1 & 10 seconds/step.
Power is via an internal high capacity rechargeable metal hydride battery that can be recharged from the supplied external mains charger. An auto power-down feature helps conserve battery life by switching off the instrument if inactive for over 5 minutes. This feature can be disabled if not required.
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