AT1-616 & 616C – Explosion-proof atex/iecex Exd differential pressure transmitter

Quick Overview

ATEX_WEB_COMHAS     logo_iecex       logo_comhas

• Series 616 transmitter: ±0.25% accuracy in several factory calibrated ranges.
Span and Zero controls included for fine tuning and minor re-calibration in the field.
• Series 616C transmitter: 1% accuracy in several factory calibrated ranges.
Span and Zero controls included for fine tuning and minor re-calibration in the field.

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-combustible, compatible gases
Wetted parts: consult factory
Accuracy:
616: ±0.25% f.s.
616C: ±1.0% f.s.
Stability: ±1% f.s./yr
Temperature limits:
Transmitter: 0 to 140°F (-17.8 to 60°C)
Case: -76 to 140°F (-60 to 60°C)*
Compensated temperature limits: 20 to 120°F (-6.67 to 48.9°C)
Pressure limits: see ordering page
Thermal effect: ±0.02% f.s./°F (±0.012% f.s./°C)
Power requirements: 10-35 VDC (2-wire)
Output signal: 4 to 20 mA
Zero adjustments: potentiometers for zero and span
Loop resistance: DC; 0-1250 ohms maximum
Current consumption: DC; 38 mA maximum
Electrical Connections: screw-type terminal block
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.