Huba 528 OEM type Pressure Transmitter

Huba 528

Features

The compact type 528 pressure transmitter is based upon the well proven ceramic technology developed by Huba Control over 20 years ago. These transmitters are suitable for applications across a broad spectrum of industries.

• Compact, rugged construction
• Negligible temperature influence on accuracy
• Large selection of connections available
• Saving time by quick cable mounting by the customer with swift connector

Applications

Solar heating / CDU / In-Rack CDU / Circulation cooler / Large heat pumps / Water pumps / Water treatment / Mobile hydraulics / Industrial automation

Specification

Product Features
Pressure range	Relative: -1 ... 0 ... 60 bar Absolute: 0 ... 1 ... 16 bar
Accuracy	Characteristic line a: ± 0.3% fs Resolution: 0.1% fs Thermal characteristic (max.): ± 0.2% fs / 10K Long term stability acc. EN 60770-1 (max.): ± 0.25% fs
Operating Conditions
Medium	Liquids and gases
Temperature	Medium: FPM: -15 ... +125 °C (-15 ... +120 °C) EPDM: -40 ... +125 °C (-30 ... +120 °C) NBR: -20 ... +100 °C MVQ: -40 ... +125 °C (-30 ... +120 °C) Ambient: -30 ... +85 °C (-25 ... +85 °C) Storage: -50 ... +100 °C
Tolerable overload / Rupture pressure	< 4 bar: 3.0 x fs > 4 bar: 2.5 x fs
Materials
Cover	Stainless steel 1.4404 / AISI 316L
Plug accommodation	Polyarylamide 50% GF UL 94 V-0
Materials in contact with medium	Pressure connection: Stainless steel 1.4404 / AISI 316L / PVDF Sensor: Ceramic Al2O3 (96%) Sealing material: FPM, EPDM, NBR, MVQ
Electrical Data
Output	2 wire: 4 ... 20 mA (7 ... 33 VDC / 10 ... 30 VDC) 3 wire: 0 ... 5 V; 1 ... 6 V; 0 ... 10 V; ratiom. 10 ... 90%
Load / Current consumption	Voltage outputs: > 10 kOhm / < 100 nF Current consumption: < 7 mA (voltage output) < 23 mA (4 ... 20 mA)
Polarity reversal protection	Short circuit proof and protected against polarity reversal. Each connection protected against crossover up to max. supply voltage.
Insulation voltage	500 VDC
Response time	< 2 ms (1 ms typ.) Load cycle < 100 Hz
Electrical connection	Swift connector (with or without cable 1.5 / 2.0 / 3.0 / 5.0 m) Connector DIN EN 175301-803-A or C Metri Pack 150 P2S Series Connector M12x1 Braids Connector RAST 2.5 (3 wire only)
Protection class	IP65 / IP67 depending on connection
Installation
Installation arrangement	Unrestricted Recommendation: Pressure connection facing downwards
Approvals
EMC	CE conformity acc. EN 61326-2-3 Enhanced EMC protection EN 50121-3-2
Shock	IEC 68-2-27 100 g, 11 ms half sine wave
Vibration	IEC 68-2-6 20 g, 15 ... 2000 Hz
UL	ANSI/UL 61010-1 acc. E325110
Drinking water approval	NSF/ANSI 61 / 372 acc. MH60087
Explosion protection	Ex II 1/2 G Ex ia IIC T4 Ga/Gb Ex II 1/2 D Ex ia IIIC T125°C Da/Db ATEX / IECEx
Weight	~ 90 g

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Note : Design and specifications are subject to change without notice.

Note : Please make sure the product and the device which connect with RS-485 are on common ground, avoid damaged product.