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Martel - BetaGauge PIR-PRO Reference Class Digital Test Gauge

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Manufacturer: MARTEL

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Martel - BetaGauge PIR-PRO Reference Class Digital Test Gauge

with RS232 Port and Internal Temperature Sensor


  • Ranges to 10,000 psig
  • Accuracy: ±0.04% F. S.
  • Temperature compensated over 0 to 50°C
  • Displays in 18 standard or fully custom engineering units
  • Large, back-lit, 5-1/2 digit display with 0.65" digits and 20 segment bar graph
  • CSA intrinsically safe, Class 1, Div. 2 Groups A, B, C & D; ATEX approved; CE approved
  • Available with optional 24V external power input
  • Optional pressure port location on back of gauge for panel mounting

The Martel BetaGauge PIR Pro is a reference-class pressure gauge that takes the concept of a simple analog test gauge and combines it with the accuracy and features of digital technology. The PIR Pro provides exceptional performance with ±0.04% of reading accuracy, especially when operated below 50% of its range.

The BetaGauge PIR PRO is available in pressure ranges up to 10,000 psig. Additionally, a compound ranges is also available. Readings may be displayed in any one of 18 standard engineering units or in 1 custom user-defined unit to eliminate tedious conversion calculations. Rugged zinc-aluminum alloy high pressure cast housing provides environmental integrity of the gauge in a small, light package.

The PIR Pro includes a 5-1/2 digit digital display. The 0.65" numerals and companion bar graph provide an easy to read display, even from a distance. A number of features provide additional ease of use. The reading sample rate can be user adjusted to match the type of measurement required. Other features include MIN/MAX function, Auto Power Off and backlight control. In addition to a ZERO function that compensates for sensor drift, large residual system pressures can be nulled using the TARE adjustment.

Setting up the Martel BetaGauge PIR Pro is fast and straightforward, through a menu-driven display, with minimal text and intuitive functions. A password-protected field calibration may be initiated through the keypad and an RS232 port allows pressure reading data to be extracted directly from the gauge for off-line analysis (requires Martel RS232 cable). Damping can be set to integrate readings to accommodate pulsating sources, such as plant air. An optional external 24 VDC power input is available for applications where the BetaGauge PIR Pro will be permanently incorporated into a process line. A protective rubber boot is standard to help protect the BetaGauge PI Pro from damage when dropped.

The BetaGauge PIR Pro is available in a self-contained calibration kit which includes a test pump (with MECP500 pneumatic test pump for ranges 500 psi and below or a MECP10K hydraulic test pump for ranges above 500 psi), test hose, fittings, rubber boot and carrying case.

Specifications (0 °C to +50 °C, unless otherwise noted) 

Input Ranges
  30 PSI Compound (C/V), 30 psi, 100 psi, 500 psi, 1000 psi, 3000 psi, 5000 psi, 10,000 psi

  ±0.04% of reading, ±0.01% FS
  Vacuum accuracy of the compound range is 0.1% of the 30 psi full scale. Vacuum measurement not calibrated for other ranges.

*Compound Range is Non-Isolated and compatible with Dry Clean Air and Gas Only*

Temperature Compensation
   0 °C to +50 °C (32 °F to +122 °F) to rated accuracy

Standard Engineering Units
   PSI, Bar, Kg/cm, inH2O (4 °C, 20 °C or 60 °F), ft H2O (4 °C, 20 °C or 60 °F), mmH2O, cmH2O (4 °C and 20 °C), mH2O (4 °C and 20 °C), Kpa, mBAR, inHg, mmHg, TORR

Media Compatibility
   Liquids and gases compatible with 316 stainless steel; 30 C/V range non-corrosive gases and liquids

   Operating Temperature:
       -10 °C to +55 °C
       -20 °C to +70 °C (-4 °F to +158 °F)

       4.375" x 5.0" x 1.50"
   Input Port: 
       1/4" male NPT

   5 Digits, 0.65" (16.53 mm) height
   Bar Graph – 0 to 100% in 20 segments

       Three (3), size AA alkaline batteries
   Battery Life:
       1,500 hours without backlight;
       2,000 hours at slow sample rate;
       battery life can be displayed on bar graph to indicate the amount of time left
   Low Battery Indicator:
       displayed icon near the end of battery life
   Includes: manual, batteries

View the Data/Spec Sheet.
View the Manual.
CSA Intrinsically Safe Certificate.
ATEX Intrinsically Safe Certificate.
Pressure Ranges & Resolutions.
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