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Differential pressure gauges and pressure sensors

Differential pressure gauges of the DPG type and electronic pressure sensors of the PS type are designed to measure excess, vacuum pressure, as well as the difference in pressure of air and non-aggressive gases and can be used to monitor the resistance of air filters in sections of pocket filters of the SKF type; pleated filters type SSF, in air distribution modules type MV, as well as in any other filter chambers.

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Technical characteristics of pressure gauges type DPG

Model measurement range
DPG600 0-600 Pa
DPG800 0-800 Pa

Technical characteristics of PS type sensors

Model code 5A – microsensor Pressure range Sensor difference Sensor accuracy. Low pressure model Sensor accuracy. High pressure model Calculated electrical power Resist. load Calculated electrical power Induct. load
PS600 (-5A) 40…600 Pa 30 Pa ±5 Pa ±30 Pa 3A/250VAC*) 2A/250VAC
PS1500 (-5A) 100…1500 Pa 80 Pa ±10 Pa ±50 Pa 3A/250VAC*) 2A/250VAC
PS4500 500…4500 Pa 180 Pa ±50 Pa ±200 Pa 5A/250VAC 2A/250VAC

The DPG pressure gauge and the PS sensor are connected to two fittings of the filter chambers before and after the filter using flexible hoses (tubes) and allow visual monitoring (DPG pressure gauge) of changes in the resistance (pressure drop) of the filters, and with the help of an electronic PS sensor, a signal about the achievement of a given pressure drop can be output as an electrical signal. For visual monitoring of filter resistance, liquid inclined manometers type MM and vertical type MMK can also be used.

Technical characteristics of pressure gauges type MM and MMK

Model code measurement range Accuracy Model code measurement range Accuracy
MM200600 0…600Pa 5 Pa/25 Pa MM1K 0…1.0 kPa 10 Pa
MM100*) 0…1500 Pa 10 Pa/50 Pa MM1.5K 0…1.5 kPa 10 Pa

If it is necessary to visually monitor the resistance of filters with the simultaneous supply of an electrical signal about a change in resistance, combined models of filter controller devices can be used.

Technical characteristics of filter controllers type MM/PS and DPG/PS

Model code Pressure gauge range Pressure gauge range Sensor difference Sensor accuracy. Low pressure model Sensor accuracy.High pressure model
MM200600/PS600(red gauge fluid) 0…600 Ra 40…600 Ra 30 Ra ±5 Ra ±30 Ra ±50 Ra
MM551500/PS1500 (blue gauge fluid) 0…1500 Ra 100…1500 Ra 80 Ra 10 Ra 10 Pa

 

Model code Pressure gauge range Sensor range Pressure gauge accuracy at temp. 20C Sensor difference Sensor accuracy. Low pressure model Sensor accuracy. High pressure model
DPG600/PS600 0…600 Ra 40…600 Ra ±2% 30 Ra 40Ra±5 Ra 600Ra±30 Ra
DPG1.5K/PS1500 0…1500 Ra 100…1500Pa ±2% 80 Ra 100Ra±10 Ra 1500Ra±50 Ra

Additionally, all pressure gauges and sensors can be equipped with plastic fittings for installation in the walls of the filter chambers and after the filter and flexible tubes 2 m long.

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