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Section 5: Specifications
5.1
Model 675 Series Transmitter
Ranges:
• User customizable ranges between 0-6
psi (13.8 ft of water) and 0-60 psi (138 ft
of water)
Output:
• 4 to 20 mA, 2 wire, current limited to 30
mA DC
Power Supply:
• 12 to 40 VDC with reverse polarity surge
protection; Limited to 28 VDC for Intrinsic
Safety with Approved Power Supply.
Loop Resistance:
1400 ohms maximum at 40 volts
Temperature Range: **
• Ambient Operating: -25° to 180°F (-32°
to 82°C)
• Storage: -40° to 180°F (-40° to 82°C)
** If submerged in a liquid that has
frozen, damage will result.
Overrange Effect:
• ±0.15% full scale at 200% of maximum
range
Overrange Limit:
• 200% of maximum range
Burst Pressure:
• 3X Upper Range Limit
Accuracy:
• ±0.25% full scale, BFSL (including
linearity, hysteresis and repeatability)
Zero Offset:
• ±1.00% full scale set at 77°F (25°C)
Span:
• ±0.50% full scale set at 77°F (25°C)
Temperature Effects:
• Compensated: 32° to 122°F (0°C to
50°C);
• Maximum: 2.5% URL output change
for ±25°C temperature change within
compensated range when calibrated
at 25°C. Consult factory for lower or
alternate pressure ranges.
Power Supply Effect:
• ±0.005% full scale per volt
Diaphragm Seal:
• 316L SS construction with 4.75" OD and
3.5" sensing area
Construction:
• Diaphragm: 316L stainless steel
• Housing Type: 316 stainless steel
• Nut/Washer Type: 316 stainless steel
• Cable Grommet: Viton standard. Please
contact factory for other options.
• Housing O Ring: Viton standard. Please
contact factory for other options.
• Cable Jacket: Polyurethane (Standard).
See Model Code.
Media Compatibility:
• Reference materials of construction
Electrical Connection:
• Attached 20 gauge vented polyurethane
shielded
cable.
available up to 5000 ft. (1662 m)
Weight:
• 7 lb. 3 oz (Without cable)
Approvals:
• Meets CSA requirements for
intrinsically safe operation in
hazardous locations as designated by
Class I, Div 1, Groups A, B, C & D and
Class II, Groups E, F & G. Temperature
Code T3C (when connected per
Ametek drawing K750535).
Options and Accessories:
• DDMC Meter Controller and Housing
• Stainless steel support cable part
#K515183 (factory installed with tie
wraps).
***see drawing K750535 for cable length
limits for intrinsically safe installation.
14
Specifications
Unspliced
lengths
C
US
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