Heath Consultants Heath Volume Corrector (HVC) - Manual (Page 24)

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HVC Specifications
Functionality
Profiler Data Recording: Circular log; 130 days/hourly; Time/Corrected/Uncorrected/Ave Pressure/ Ave
Gas Temperature
Non-volatile Flash Memory: Prevents loss of calibration and configuration if all power is lost
Event Log: Records alarms & configuration changes
System Alarms: H/L Press, H/L Temp, Main and back-up Battery
Contract Usage Alarms: High Day; Warning Month; High Month
Contract Management: Nomination, Allocation
Communication Protocols: Sandia (native); Modbus RTU; Modbus ASCII
Units of Measure: SIG, KPA, BAR, Deg. F, Deg. C
HVC Host: Win 7, Vista & Win XP; Compatible with HVC, LVC, XVC and RVC instruments
Super compressibility Correction: NX-19
Mechanical
Housing: Aluminum
Dimensions: Overall 8.65” x 6.25” x 4.65”
Weight: 6 lbs (including battery)
Mounting: Universal rotatable base plate
Pressure Connection: ¼” NPTF
Temperature Probe: ¼” O.D. x 6” probe x 6’ armor; ¼” NPTM slip fitting
Security: Stainless steel padlock hasp
Coating: IP64, Aluminum, Powder coated paint over chromate surface prep
Display Scroll: Push button switch
Drive Mechanism: Universal drive dog, reversible mechanical Brass gear train
Display: Odometer style eight digits uncorrected volume counter
Electrical
Primary Power Pack: 1.5 volt; 1 D cell alkaline battery with IS protection board.
Back Up Power: 3.6 volt field replaceable lithium cell
Transducer: 10 millivolt per volt excitation; 12 point polynomial compensation
Temperature Sensor (gas and air): Integrated circuit type
Flow Detector: Falling magnet/ reed input pulse
Display: LCD continuous eight digits
Com 1: RS-232 via serial cable
Com2: RS-232 modem & multi-drop addressable via Sandia or Modbus