The Duratran® transmitter introduces a unique electronic pressure-indicating transmitter
The Duratran® transmitter introduces a unique electronic pressure-indicating transmitter with direct mechanical indication suitable for aggressive environments and process fluids.
The Duratran transmitter combines outstanding, reliable local indication that functions without the need for external power with a stable, self-contained 4/20mA transmitter in a hermetically sealed corrosion-proof case (Type 2279).
The wide selection of system materials and corrosion-proof housing meets application requirements in a number of industries. These include chemical processing, petrochemical and refining plants, electric and gas utilities, wastewater and other industrial applications.
This electronic pressure-indicating transmitter promises increased service life and long-term stability.
Features
±0.5% of full-scale accuracy
Ranges from 12 to 20,000 psi
4-20mA, 2-wire output
Zero and span adjustments
FM approved intrinsically safe
4-1/2" solid-front phenolic case
SPECIFICATIONS
Functional Service
Liquid, gas or vapor
Ranges
See ordering information
Output
4-20mA, 2 wire
Power Supply
12/40 Vdc
Zero Adjustment
±20% of full scale
Span Adjustment
±10% of full scale
Temperature Limit
-40°F to 160°F
Overpressure Limits
130% of range without damage to tube
Humidity Limits
Up to 90% relative humidity noncondensing
Signal Damping
Fixed electronic damping time constant of 0.2 seconds
Turn On Time
Less than 1 second
Enclosure
NEMA 4
Agency Approval
Factory Mutual approved as intrinsically safe for Class I, II and III, Division 1, applicable Groups A, B, C, D, E and G in accordance with Dresser drawing 71B185 and entity requirements; nonincendive for Class, I, II, III, Division 2, Groups A, B, C, D and G hazardous locations. * 0-20000 psi range not FM approved
PERFORMANCE
Accuracy
±0.5% including linearity, hysteresis and repeatability
Stability
±0.25% F.S. for 6 months
Temperature Effect
Less than 0.02% of span/°F
Position Effect
Vertical mounting recommended
May be re-zeroed to correct error in other positions
PHYSICAL
Dial Size
4-1/2"
Case
Solid front, black phenolic hermetically sealed
Ring
Threaded, glass-filled polypropylene
Mounting
Stem, surface, flush (with 1278 M ring)
Pressure Connection
1/2 NPT
Window
Laminated safety glass
Calibration
Transmitter — Span and zero adjustment on dial
Gauge — Zero adjustment with micrometer pointer
Electrical Connection
30" #18 wire AWG, 1/2 NPT liquid tight conduit connection at case
Weight
3 lb
CAT NO.
MODEL
DEscRIPTION
AVAIL
PRICE
AS775923
2279SSH, 0-30 PSIG
PRESSURE TRANSMITTER, 316 SS
Yes
1,026,000
AS775924
2279SSH, 0-100PSIG
PRESSURE TRANSMITTER, 316 SS
Yes
1,026,000
AS775925
2279SSH, 0-200 PSIG
PRESSURE TRANSMITTER, 316 SS
Yes
1,026,000
AS775927
2279SSH, 0-1000 PSIG
PRESSURE TRANSMITTER, 316 SS
Yes
1,026,000
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