LPG Density Meter
Lemis Portable LPG Density Meter LPGDi Ex
Lemis Portable Density Meter for LPG (liquefied petroleum gases ) density measurement is a unique density meter. The LPGDi Ex explosion-proof unit is designed based on the resonant method of density measurements and uses a small sample volume. Measured results from the LPG density meter are instantly converted to relative density (15°C or 20°C or 60°F) per ASTM D1250 tables.
- Direct LPG density measurement
- Precise density and temperature in seconds
- OLED display
- Calculation of Propane/Butane percentage
- Explosion-proof ATEX-certified design.
- Excellent correlation to ASTM D1657 and ASTM D1250 standards
- Small sample volume
- Easy to operate
- Small and compact
- Automatic temperature compensation
- Data transfer to PC via Bluetooth
- Rechargeable battery for extended use
- Maintenance-free unit
The Portable LPG Density Meter – LEMIS LPGDi Ex is a cutting-edge, ATEX-certified Density meter designed to deliver accurate LPG density measurements with ease and precision.
LPGDi Ex portable density meter ensures reliability and consistency in every application, from petrochemical plants to R&D laboratories.
The operating principle of the LPGDi Density Meter is the resonance method (vibrating element) of measurement. LPG density meter measures the density based on the changes in the frequency of the measured liquid.
Resonance technology used in the LPGDi portable LPG density meter allows for achieving higher accuracy and stability of the measurement. The design of the device considerably simplifies the sampling and sample preparation procedure.

Portable LPG density meter is designed for field use, it provides rapid, reliable results to meet the stringent demands of industries such as petrochemicals and R&D. Its ATEX certification guarantees safe operation in potentially explosive atmospheres.
Readings on the LCD ease the measuring process and eliminate human error.
WINDOWS-based software allows necessary data processing and simplifies operations for the staff.
Delivered in a compact carry case.
Specifications of Lemis LPG Density meter
Specifications | |
| Measuring range: Density | 0… 3 g/cm3 (0… 3000 kg/m3) |
| Density Standard calibration | 0.475 to 1g/cm3 (475 to 1000kg/m3) |
| Temperature | -40 to +85ºC |
| Accuracy: Density | ±0.0003 or ±0_0005 g/cm3 |
| Temperature | ±0.1ºC |
| Repeatability Density | ±0.00015 or ±0.00025 g/cm3 |
| Repeatability Temperature | ± 0.1ºC |
| Resolution Density | 0.0001g/cm3 |
| Resolution Temperature | 0.01ºC |
| Supported measuring units | Real Density: g/cm3, kg/m3, lb/gal, lb/ft3; API, SG |
| Referred Density: at 15ºC, 200C, 60ºF, API60; SG60; | |
| Tables ASTM D 1250; | |
| Temperature in ºc or ºF | |
| Ambient temperature | -40 to +50ºC |
| Maximum Pressure | 16 bar (1.6 MPa) |
| Testing Pressure | 25 bar (2.5 MPa) |
| Sensor: Type | Vibrating element (Resonance principle) |
| Material | Stainless steel SS 316 L; NiSPAN C; Hastelloy C22; Teflon |
| Hazardous Environment Approvals Controller | II 2G (1G) Ex ib [ia Ga] IIB T4 Gb |
| Sensor | II 1G Ex ia IIB T4 Ga |
| Power supply | NiMH 3.6V-2500 mAh |
| Charging device | Input: AC 100-240 V AC; Output: 4,5-9,5VDC Charge: 0.8A |
| Operating time without charging | up to 24 hours |
| Continuous operating time | NO less than 10 hours |
| Dimensions. weight: Density Meter | 247 x 271 x 120mm, 5.5 kg |
| Connections | Adapter ø6mm; other connections is customized |
| Temperature compensation | Automatic |
| Sample volume | 250 ml |
| Data Handling | OLEO Display (2×12) with backlight |
| Local memory up to 2000 results with date/time stamped | |
| Build in Bluetooth or USB for data transfer to printer or PC | |
| Optional Windows – based software | |
| Delivery | Delivered in compact carrying case |
The Portable LPG Density Meter LEMIS LPGDi Ex is widely used across industries for its precision and portability.
- LPG Filling Stations
- LPG Fiscal Transfer
- LPG Storage
- Petroleum Industry
- Concentration control at outlets and delivery points




