1. General Information
This manual contains technical and general information relating to the installation, operation, and calibration of the Hastings 760 Plus vacuum gauge which is comprised of a piezo vacuum transducer (760s) and power supply/display.
The 760s piezoresistive type transducer has one side of its diaphragm evacuated to a low reference pressure then sealed to produce an absolute pressure signal output. This output signal is linear- proportional to the applied pressure and is independent of gas composition.
The power supply/display provides 24 VDC excitation power for the 760s transducer and a four digit dual setpoint meter relay for monitoring, measurement and control applications.
For best performance, this instrument should be operated with the appropriate Hastings accessory items. Attempting to use a Hastings product with other manufacturers equipment may result in damage to all equipment.
1.1.Features
Piezo Vacuum Transducer (760s):
•Linear voltage or current output
•Absolute pressure measurement, independent of gas composition
•Zero and span, adjustable
•Compact size, 1.5” x 1.5” x 3”
•0.1 - 1000 Torr range
•Stand alone operation with 15 - 30 VDC input
•All wetted materials 316 stainless steel
•Optional
Power Supply/Display:
•Excitation output for use with Hastings 760S piezo vacuum transducer
•4
•Two control relays, SPDT, 2 A (max) @ 240 VAC (max)
•Relay set point, set manually from front panel
•120/240 VAC input power (no hardware settings required)
•Front panel (SP1, SP2) annunciators (LED’S)
•1/8 DIN case, panel mounting
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