MLD Hydrogen

Gas Detectors

 
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Manufacturer: GVZ Components

Gas Leakage detector for Hydrogen (H2)

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Description


MLD methane detector

MLD gas detector for Hydrogen with built-in NevadaNano MPS technology.

As the amount of interest and projects for alternative energy solutions based on Hydrogen increase more and more, we couldn't miss the opportunity to provide a reliable detector to prevent hydrogen leakages. 
Our MLD Hydrogen gas detector with built-in NevadaNano MPS Technology is able to ensure high sensitivity, 2 alarms with tuneable thresholds, zero calibration nor maintenance needed, complete poison immunity, constant accuracy and performance for the 15+ years sensor's lifetime.

Features

  • No field calibration
  • No cross sensitivity
  • Long lifetime 15+ years
  • Fail safe (built-in diagnostic)
  • 0-100% LEL
  • Rh compensation
  • Immune to poisoning
  • Operating range -40° to 75° C, 0-100% Rh
  • Modbus, 2x Relays and 2x Analogue Output (ALL IN ONE)
SENSOR PERFORMANCES
Technology Molecular Property Spectrometry by NevadaNano
Gas detected H2
Response Time (T90) <20 sec.
Resolution 0,1% LEL
Lifetime 15+ years

 
RANGE and ACCURACY
MLD Gas PN Gas Type Measuring Range Accuracy (0-50 %LEL)
guaranteed across full environmental range
(ISO 10156)
Accuracy @25%LEL
guaranteed across full environmental range
(ISO817/ASHRAE 34)
Accuracy ≤25 %LEL
@ 20 °C - 50 %RH
(UL 60335-2-40)
7 H2 0-100% LEL ± 5% LEL    
 

OPERATING FEATURES

Signals Output

Gas concentration, Temperature, Humidity, Pressure, Status, Prealarm, Alarm, Fault, Lifetime

Measurament Output

Digital:  Modbus (RS-485)
Analog: 4-20mA
Analog: 0,4-2V
Dry Contacts: 2x Relays (Alarm1 / Alarm2 / Fault)

Visual Information

Visual: 3x LEDs (Status / Alarm1 / Alarm2 / Fault)

Supply Voltage

12-24VDC

Power Consumption

35mA average - 50mA peak

Operating Temperature

-40° to +75°C

Operating Humidity

0 - 100% RH

IP rating

IP65

Operating Pressure

80 to 120 kPa

Protection grade

IP65

Dimensions MLD-S4

128 x 89 x 37 mm

Dimensions MLD-MN

128 x 89 x 22 mm

Certifications & Approvals

CE, EMC, Rohs,  EN60079-0, EN60079-11, ATEX
SIL2 conformity according to EN50402 / IEC 50271 / IEC 50270 / IEC61508 ongoing

Documentation


Via Magenta, 77/16A
20017 Rho (MI) - Italy
Phone +39 02 3340 0846
VAT: IT04126380155
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Via Magenta, 77/16A
Rho 20017, Italy
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+39 02 3340 0846


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