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The future of LPG vapor pressure testing technology.

SH/T 0769, JIS K2258-2, ASTM D2533, ASTM D323, ASTM D910, ASTM D1267, ASTM D4953, ASTM D5188, ASTM D5190, ASTM D5191, ASTM D6377, ASTM D6378, ASTM D6897, EN 13016-3, EN 228, EN 13016-1-2, IP 394, IP 409, IP 481,

								SH/T 0769, 
								JIS K2258-2, 
								ASTM D2533, ASTM D323, ASTM D910, ASTM D1267, ASTM D4953, ASTM D5188, ASTM D5190, ASTM D5191, ASTM D6377, ASTM D6378, ASTM D6897, 
								EN 13016-3, EN 228, EN 13016-1-2, 
								IP 394, IP 409, IP 481, 


Gathering information on the vapor pressure of liquified petroleum gas (LPG) has never been more important for the choice of storage tanks and shipping vessels. Safety is a top priority, and it needs to be measured so that the maximum design pressure of storage and handling systems isn’t exceeded under normal operating conditions.

For accurate and precise LPG vapor pressure testing, Eralytics created the ERAVAP LPG with an increased standard operating range up to 2,000 kPa and a quick-fit inlet system which allows connecting to pressurized cylinders with ease. ERAVAP LPG covers the model series’ temperature range of -20 °C to 120 °C and is fully compliant with ASTM D6897.

This leading-edge measurement principle in vapor pressure testing renders the external vacuum pump obsolete. The built-in piston draws in the sample at the beginning of the measurement. The piston then creates a vacuum by expanding the headspace above the sample to the predefined vapor to liquid (V/L) ratio. The instrument then heats up the measurement cell to the measurement temperature and records the vapor pressure.

*To to improve measurement procedures to maximize safety in crude oil transportation, ERAVAP manufacturer Eralytics closely cooperates with Canadian Crude Quality Technical Association (CCQTA) and the American Crude Oil Quality Association (COQA), a partnership that resulted in the development of a device capable of measuring crude oil at a V/L ratio as low as 0.02/1.

To request a quote for the ERAVAP LPG, please click here.

features__astm compliantfeatures__simple operatonfeatures_direct_lims_communicationfeatures__footprintfeatures__portablefeatures__high precisionfeatures__touch screen

The following accessories are recommended for purchase in sequential order (see eStore):

1st Year:
No spare parts are required
2nd Year:
Sampling tube with Luer connector
Sampling tube 0,5m with Luer connector
Teflon o-ring for EV01-A002a Mesh inlet filter 80µ
Outlet tube
Kalrez O-ring for pressure sensor (Kalrez 12.42×1.78)
O-ring small for measuring cell cover (Viton 6×1.5)
Remaining Parts:


Available Test Methods   ASTM D5188, D5191, D6377, D6378, D6897, EN13016-1, EN13016-2, EN13016-3 ,IP394, IP409, IP481, JIS K2258-2, SHT 0769, SHT 0794, SNT 2932, GOST 52340 freely programmable methods EPA / CARB / US Military & NATO reference methods, TVP measurement VP-V/L Speed TestTM – Combined T(V/L) and vapor pressure measurement
Correlation to…   ASTM D323, D1267, D2533, D4953, D5190, D5482
Fuel Specifications   ASTM D910, D1655, D4814, D6227, EN 228
Temperature Range   0 °C to 120 °C (32 °F to 248 °F) with Peltier technology. No external cooling is required. -20 °C to 120 °C (-4 °F to 248 °F) with additional low temperature upgrade (EV01-COOL). External cooling is required. Extrapolated range: -100 to 300 °C (-148 °F to 572 °F)
Temperature Stability   0.01 °C (0.02 °F)
Pressure Range   0 kPa to 2 000kPa (0psi to 290 psi)
Pressure Units (selectable)   hPa, kPa, psi, mmHg, Torr, at, atm
Pressure Resolution   0.01 kPa (0.0014 psi)
Vapor / Liquid Ratio   Variable from 0.02/1 to 100/1 Single-, multi-point and curve measurements
Precision   Repeatability: r ≤ 0.15 kPa (0.022 psi) / Cyclopentane @ 37.8°C Reproducibility: R ≤ 0.50 kPa (0.073 psi)
Available Extension Modules  

EV01-COOL: Low temperature module (-20°C – 120°C / -4°F – 248°F)

EV01-VISC: High viscosity module (Heated inlet and outlet up to 70°C / 158°F)

EV01-LOW: Low vapor pressure module (r = 0.1 kPa; pressure resolution = 0.01 kPa)

Sample Introduction  

Automated via built-in piston Automated sample filtration through a reuseable 80 µm mesh filter No external vacuum pump is required

Sample Volume   1 mL (2.2 mL per rinsing cycle)
Measurement Time   5 minutes for a standard measurement
Cleaning   By next sample or solvent 
Measuring Chamber   Nickel-plated aluminum chamber
Display   Industry proven 8” color touch screen
Languages   English, German, French, Spanish, Russian, Chinese
Additional langages available upon request
Interfaces   Built-in PC with Ethernet, USB and RS232 interfaces
Direct LIMS connectivity via LAN, output to printer or PC as CSV or PDF
Optional input by external keyboard, mouse and barcode reader
Remote Control   Remote service capability via Ethernet interface
PC Software   ERASOFT RCS – remote control Windows® software for multi-instrument remote control, convenient data transfer, viewing spectra and result analysis
Result Database   Over 100,000 detailed test reports stored in internal memory
Results can be marked for hazy appearance
Graphical view of curve measurements
Alarm Tracking   All alarm messages are stored in the database together with the result
Automated Calibration Routine   10-point probe offset correction table, calibration history tracking, substance calibration, self-diagnostics
Auto Sampler   Optional 10-position auto sampler – directly attached
Operating Conditions  


Temperature range 0°C to 50°C, Humidity up to 90% RH, non condensing

Power Requirements   Auto-switching 85-264 V AC, 47-63 Hz, max. 150 W (multi-voltage power supply)
Field application: 12 V DC (vehicle battery) adapter available
Model Number   EV20
Dimensions / Weight   29 x 35 x 34 cm (11.4 x 13.8 x 13.4 in) / 9.7 kg (21.4 lb)

Brochure: ERAVAP LPG by Eralytics

Spanish Brochure: ERAVAP LPG by Eralytics

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SKU: AYA-80-22020.