Hoffer Flow Controls HRT1, User Manual

Page: 13 / 67

Introduction 5
HRT1 HP-313
SYSTEM CERTIFIED MOUNTING OPTIONS FOR ENCLOSURE STYLE 3 AND 7:
(MX_) METER MOUNTED
NOTE: USED WITH “X” RISER, AND 1" X ¾" SS ADAPTER. PROCESS
TEMP -40°C TO +70°C.
(MA_) METER MOUNTED
NOTE: USE WITH A (X-ATEX) RISER. PROCESS TEMP -40°C
TO +70°C.
(RX_) REMOTE MOUNTED
NOTE: USE WITH “X” RISER. INCLUDES “E2” JUNCTION BOX AND
1" X 3/4" SS ADAPTER.
(RA_) REMOTE MOUNTED
NOTE:
USE WITH A (X-ATEX) RISER. INCLUDES “E2” JUNCTION BOX.
UNION OPTIONS:
(___U1) OPTIONAL 1" MALE X 1" FEMALE EX-PROOF UNION
NOTE: USE WITH MX AND RX OPTIONS
(___U2) OPTIONAL 3/4" MALE X 3/4" FEMALE EX-PROOF UNION
NOTE: USE WITH MA AND RA OPTIONS
EXPLOSION-PROOF ENCLOSURE RATINGS:
Canada/US Zones
Ex db IIB+H
2
T6; Gb; Ex tb IIIC T72°C Db; IP66;
Class I, Zone 1, AEx db IIB+H
2
T6; Gb; Zone 21, AEx tb IIIC T72°C Db; IP66:
ATEX/IECEX :
II 2 G Ex db IIB+H2 T6 Gb
II 2 D Ex tb IIIC T72°C Db IP66
T1-T6 = -40°C to +70°C
SPECIAL FEATURES
MODEL HRT1-( )-( )-( )-( )-( )-( )-( G )
OPTION
( G )
(CE) CE MARK REQUIRED FOR EUROPE
(SP) ANY SPECIAL FEATURES THAT ARE NOT COVERED IN THE
MODEL NUMBER, USE A WRITTEN DESCRIPTION OF THE -SP.
(X) NO SPECIAL FEATURES.