AT1-668 – Explosion-proof ATEX/IECEx Exd differential pressure transmitter

Sintesi

ATEX_WEB_COMHAS     logo_iecex       logo_comhas

• Measuring low pressures with a ±1% accuracy can withstand up to 10 psig overpressure with no damage to the unit
• Variable capacitance sensor design provides excellent sensitivity and long-term stability

ENG - Datasheet

Descrizione

Atex:
CE 1370
Ex II 2G Ex d IIC T6 Gb
II 2D Ex tb IIIC T85°C Db, -60°C≤T amb≤+60°C
Certificate: BVI 14 ATEX 0072

IECEx:
Ex d IIC T6 Gb
Ex tb IIIC T85°C Db
Certificate: IECEx EPS 14.0082

Esecuzione:
IP66 (IP65 with option OPV)

SPECIFICATIONS

 

Service: air and non-conductive gases
Accuracy: ±1% of full scale (RSS), includes non-linearity, hysteresis, and non-repeatability
Temperature limits:
transmitter: 32 to 122°F (0 to 50°C)
case: -76 to 140°F (-60 to 60°C)*
Pressure limits: 10 psig (0.69 bar)
Compensated temperature range: 0 to 150°F (-18 to 65°C)
Thermal effects: 0.033% f.s.°F (0.18% f.s.°C)
Supply voltage: 12-30 VDC
Output: 4 to 20 mA, 2-wire
Zero and span adjustment: ±1 mA, non-interactive
Response time: <60 msec (additional delay in response time due to flame arrestors from full scale to 0) up to 90 sec depending on model range.
Loop resistance: 0-800 ohms
Electrical connection: terminal strip
Housing material: aluminium (stainless steel optional).
Finishing: texture epoxy coated RAL 7038 (only aluminium case)
Pressure connections: 1/8” NPT F brass (stainless steel optional). In presence of acetylene it is necessary to use stainless steel.
Electrical connections: 2 x 1/2” NPT F standard (cable gland not included)
Dimensions: see drawing below
Weight: 3.4 Kg ab.

* Operating ambient temperature is defined also according to the options and pressure instrument choosed.

CAUTION FOR USE ONLY WITH AIR OR COMPATIBLE GASES!
CONTACT FACTORY FOR USE WITH GASES, OTHER THAN AIR AND NITROGEN.

 

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