DIGITAL MANOMETER (ACCURACY 0,1%)

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LEO 2 - A compact, micro-processor (μP) controlled, highly accurate and versatile pressure measuring instrument with digital indication. Its characteristics are stored in the instruments internal EEPROM. The μP of the LEO 2 reads the characteristic values and calculates therefrom the pressure to an accuracy of 0,1 % over the temperature range of 0…50 °C (32…122°F).

LEO 2 has two keys. The left key turns the instrument on, to select the functions and the pressure units. The right key is used to switch between the MAX.- and MIN.-value.


RESET: With the RESET-function, the MAX.- and MIN.-value is set to the actual pressure value.
ZERO: The ZERO-function allows to set any value as a new Zero reference. Barometric pressure variations can thus be compensated. The factory setting of the Zero for the ranges -1…3 bar or -1…30 bar is at 0 bar absolute. For sealed gauge pressure measurements, activate “ZERO SEt” at ambient pressure. Instruments with the ranges 0…300 bar or 0…700 bar are calibrated in a sealed gauge mode with 1 bar absolute pressure as a Zero reference.
CONT: The instrument turns off 15 Min. after the last key function. Activating CONT (Continuous) deactivates this automatic turn-off.
UNITS: All standard instruments are calibrated in bar. The pressure can be indicated in the the following units: bar, mbar/hPa, kPa, MPa, PSI, kp/cm2.

LEO 2 has 7/16” UNF male thread and is delivered complete with an O-ring seal swivel fitting which allows LEO 2 to be rotated through 360°. Only minimal tightness is needed to seal up to 300 bar. Process pressure connection is G 1/4” male.


Swivel

Adapter G 1/4"









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Keller LEO 2 / LEO 2 Ei