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MODEL 851 SERIES
ELECTRONIC PRESSURE
TRANSMITTERS
FOR HAZARDOUS LOCATIONS
INSTRUCTIONS FOR INSTALLATION,
OPERATION, AND CALIBRATION
F l u s h m
o u n t
m o d e
l
s h o w
n m
o u n t
e d i
n
w e l d c
o u p l
i n g o n p i
p e
851
851T with
851T std with nut
flush ount
conduit adaptor
for
rating
for Explosion
Proof rating
K796341 REV D 10/2015
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Summary of Contents for Ametek 851 Series
- Page 1 MODEL 851 SERIES ELECTRONIC PRESSURE TRANSMITTERS FOR HAZARDOUS LOCATIONS INSTRUCTIONS FOR INSTALLATION, OPERATION, AND CALIBRATION F l u s h m o u n t m o d e s h o w o u n t e d i...
- Page 12 CAUTION – The Model 851F is shipped with a 3. Position the coupling so that the inside face Protective cover over the flush diaphragm. Do is approximately flush with the inside not damage the diaphragm after removing the surface of the customer’s pressure vessel cover.
- Page 16 1. Apply 0 psi pressure to input. The Model 851 Transmitter can be calibrated out-of-system. 2. Adjust “Zero” pot to obtain 4mA (40 mV) output. Figure 4-2 shows an out-of -system piping diagram. 3. Apply pressure which corresponds to “full scale”...
- Page 17 SECTION IV CALIBRATION (–) FLUSH MOUNT MODEL ZERO (FINE) ADJUSTMENT 1/2 NPT FEMALE CALIBRATION FITTING AMETEK #K900066...
- Page 19 Mail, Telephone, Fax or Email orders to: AMETEK PMT DIVISION 820 PENNSYLVANIA BLVD FEASTERVILLE, PA 19053 For service: TELEPHONE: (215) 355-6900 TELEPHONE: (215) 355-6900 FAX: (215) 354-1802 FAX: (215) 354-1804 E-MAIL: mctpmt.sales@ametek.com E-MAIL: mctpmt.sales@ametek.com for 851F flush models...
- Page 20 U.S. GAUGE DIVISION PMT PRODUCTS 820 PENNSYLVANIA BLVD. FEASTERVILLE PA 19053 TEL: (215) 355-6900 FAX: (215) 354-1802 E-MAIL: mctpmt.sales@ametek.com...