Digital Process Measurement is now producing a range of handheld process control calibrators with trend functions. Designed for precision calibration and measurement, the company says that Calog fits comfortably into the palm of a hand, can hold enough charge for up to 20 hours of continuous work and is robust to withstand tough environments. For quick source value set-up, Calog uses the 'key-per-digit' numeric setting feature that enables the user to scroll each digit up or down for the five digits of the required value.
The base product is a loop calibrator for all powered and non-powered milliamp loops. The unit measures and sources up to 24 mA with a programmable 1 µA resolution, measures 32 V with a 1 mV resolution and there is a continuity check feature. Display can be in actual value, percentage or trend logging with programmable time interval. Calog has a selectable built-in 24 V power supply for field transmitters.
All the necessary capabilities in a sophisticated calibrator such as increment, auto-step, auto-ramp and valve stroking functions are available.
In the design of Calog, particular importance was given to the housing to ensure a rugged construction. A rubber boot - supplied as standard - has raised upper and lower ends to protect the keypad and screen. This non-slip boot also holds the calibrator firmly when working on smooth surfaces.
Other models in the Calog calibrator range are versions for thermocouples, process, loadcell, pressure and RTD.
For more information contact Pierre Stasio, Digital Process Measurement, 011 462 2204, [email protected]
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