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Kurz

Kurz 454FTB

Teilenummer 454FTB Katalog-Nr. P556945

Kennung

Hersteller
Kurz
Teilenummer
454FTB
Lieferbarkeit
Lieferbar auf Anfrage

Beschreibung

Insertion thermal mass flow meter Kurz 454FTB (756056) 454FTB-16-HHT Probe dia. 1" - Temp. range: -40°C...500°C (A) Directly attached dual-chamber electronics enclosure, AC power, display / keypad (32) Sensor mat.: Hastelloy C276 / Probe support mat.: AISI316L (M) Probe support lenght 48" (1219 mm) (1) Standard temperature compensation over process temperature range of -40°C to 125°C. (A) No flange connection Maximum speed value of the gas considered for the calibration phase (T) 15000 SFPM (70 Nm/s) (8M) Correlation calibration for gas methane including special lab- correlation calibration for H2% > 10% (B) Explosion-Proof/Flame-Proof, CSA, ATEX, and IECEX Aluminum enclosure Type 4, IP66. Ex d IIB + H2 Tx ; Ex d IIB + H2 Tx Gb; Class I Zone 1 AEx d IIB + H2 Tx Gb (015) Process absolute pressure is 15 PSIA (H) HART-2 - Two 4-20mA isolated outputs, two relays, two digital inputs, one non-isolated 4-20mA input (0537) Process absolute temperature 25°C Instrument characteristic  CT (Constant Temperature) thermal system in line with ISO 14164: 1999 (E).  Response times: 1 second for flow rate variations, 8 seconds for gas temperature changes  Accuracy ± 1% v.m. ± 0.1 m / s (laboratory cal. And temperature comp. STD, see manufacturer datasheet).  Repeatability ± 0.25% of the read value.  Fully digital measuring principle: automatic zero and span, safety against heating element ignition.  Flow Correct Function (VCF Variable Correction Factor), allows to minimize measurement errors in the presence of limited straight sections.  Self-compensated for the incidence of gas flow not perfectly perpendicular to the measurement thermoelements.  Analog outputs compliant with NAMUR NE-43.  RS 485 MODBUS (ASCII or RTU) and USB serial communication.  Transmitter ambient temperature limits: -25°C...+65°C (with display); -40°C...+65°C (without display). ATEX certified versions refer to the values indicated in the instrument datasheet  Process pressure limit: 20 barg  3 year manufacturer warranty.

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