Welcome to Universal Scales, your one-stop-shop for all your weighing needs. We are a leading supplier of high-quality weighing solutions that cater to a wide range of industries. Our extensive range of weighing products includes explosion proof scales. These products are designed to meet the stringent requirements of hazardous environments where safety is of utmost importance. Our explosion proof scales are ATEX certified, ensuring that they are safe to use in potentially explosive environments such as oil rigs and refineries.

Product Description:

The system is composed by:

  • W200 weight indicator.
  • ATEX certified Zener barriers (dimensions: 105×12.6×82 mm, standard OMEGA/DIN rail mounting):
    • MTL 7766Pac supply barrier
    • MTL 7761ac signal barrier
  • ADPE explosion proof box (ATEX/IECEx) equipped with heat-resistant transparent tempered glass window and 5 external buttons which performs the same function as W200 keypad:
TEX MarkingIECEx Marking
II 2(1) GD Ex d [ia Ga] IIB+H2 T6 Gb Ex tb [ia Da] IIIC T85°C Db IP66 (-20 °C≤Ta≤+40 °C) INERIS 14ATEX0008XEx d [ia Ga] IIB+H2 T6 Gb Ex tb [ia Da] IIIC T85°C Db IP66 (-20 °C≤Ta≤+40 °C) IECEx INE 13.0065X

The instrument can be configured and managed using the free “Instrument Manager” PC software, which you can download from www.laumas.com


Technical Features

Power supply and consumption12÷24 VDC ±10%; 5 W (on request: 115÷230 VAC; 50÷60 Hz; 6 VA
Number of load cells • Load cells supplyup to 8 (350 Ω) – 4/6 wires • 5 VDC/120 mA
Linearity • Analog output linearity<0.01% full scale • <0.01% full scale
Thermal drift • Analog output thermal drift<0.0005% full scale/°C • <0.003% full scale/°C
A/D Converter24 bit (16000000 points) – 4.8 kHz
Divisions (with measurement range ±10 mV and sensitivity 2 mV/V)±999999 • 0.01 μV/d
Measurement range±39 mV
Usable load cells sensitivity±7 mV/V
Conversions per second300/s
Display range±999999
Decimals • Display increments0÷4 • x1 x2 x5 x10 x20 x50 x100
Digital filter • Readings per second10 levels • 5÷300 Hz
Relay outputs5/4 – max 115 VAC/150 mA
Optoisolated digital inputs3/2 – 5÷24 VDC PNP
Serial portsRS485, RS232
Baud rate2400, 4800, 9600, 19200, 38400, 115200 (bit/s)
Optoisolated analog output (option on request)16 bit = 65535 divisions. 0÷20 mA; 4÷20 mA (up to 300 Ω) 0÷10 V; 0÷5 V; ±10 V; ±5 V (min 10 kΩ)
Humidity (condensate free)85%
Storage temperature-30 °C +80 °C
Working temperature-20 °C +60 °C
Relay outputs5/4 – max 30 VAC, 60 VDC/150 mA
Working temperature20 °C +50 °C
Equipment to be powered by 12-24 VDC LPS or Class 2 power source 

Tank Weighing and Automation Solutions

Universal Scales is at the forefront of revolutionizing explosion proof scales as well as tank weighing and automation in Dubai. With their cutting-edge technology and expertise, they have paved the way for precise and efficient measurement solutions. Their advanced weighing systems offer accurate measurements for various tank sizes and contents, ensuring optimal operational control and resource management. Universal Scales’ automation solutions streamline processes, enabling seamless data integration and real-time monitoring. By combining their extensive industry knowledge with state-of-the-art equipment, they empower businesses in Dubai to enhance productivity, reduce costs, and maintain compliance with regulatory standards. Universal Scales is the trusted partner for tank weighing and automation solutions, driving progress and efficiency in Dubai’s industrial landscape.