original honeywell STD725 pressure transmitter with display 4-20mA output
product description
HoneyWell STD725 is a high-performance differential pressure transmitter using advanced sensor technology. The STD725 provides extremely high measurement accuracy and stability over a wide range of static pressures and temperatures by combining differential pressure with static pressure and temperature compensation on the sensor chip. SmartLine is fully tested and experion@PKS compliant, providing the highest level of compatibility assurance and integration capabilities. SmartLine products can easily meet the most demanding requirements of pressure measurement applications.
Features
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The accuracy is up to 0.065% of the range
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Stability of up to 0.020% of URL per year over 10 years
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Automatic static pressure and temperature compensation
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Range up to 100:1
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Response time up to 100ms
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Easy to use and intuitive display features intuitive external zero, span and configuration functions
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Perfect self-diagnosis function
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Integrated dual seal design for maximum safety based on ANSI/NFPA 70-202 and ANSI/ISA 12.27.0
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Excellent overvoltage protection
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World class overpressure protection
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Full compliance to SIL 2/3 requirements.
specification
| Brand name | Honeywell |
| Model | STD725 |
| Output signal | 4~20mA |
| range ability | 100:1 |
| Material | 316 stainless steel |
| Weight | 3.8kg |
| stability | 0.025% |
Shell pure polyester powder coated low copper (& LT; 0.4%6) Aluminum alloy, NEMA 4X, IP66/P67 and NEMA 7(explosion-proof), stainless steel housing optional.
Installation using standard mounting bracket can be installed in almost any position. The bracket is designed to be mounted over a 2-inch (50 mm) vertical or horizontal pipe.
Range and range limits:
Upper range URL (Kpa) : 100
Lower range URL (Kpa) :-100
Greater range (Kpa) : 100
Greater range (Kpa) :1
Model No examples :
STD725-E2HS4AS-1G-HHT-11S-A-30A0-OX
STD725-E1AC4AS-1-A-AHS-11S-A-60A0
STD725-E1HC4AS-1-A-AHS-11S-A
STD725-E1AC4AS-1-0-AHS-11C-B-11A0-F1-0000
STD725-A1HC2AS-10-AH0-11S-A-00A0-00-0000
STD725-E1AC4AS-1-A-AH0-11S-A-10A0-00-0000
STD725-E1AS4AS-1-C-AHT-11S-B-10A0-00-0000
STD725-E1HC4AS-1-A-AHS-11C-A-11A0-F1
STD725-E1HS4AS-1-A-GHT-11S-B-11A6TP
STD725-E1AC4AS-1-0-AHS-11S-A-10A0
STD725-E1AC4AS-1-D-AHS-11C-B-11A0-F1-0000
STD725-E1HS4AS-1-A-GHT-11S-B-11A6-TP,FXF10000
STD725-F1AC4AS-1-0-AHS-11C-A-1
STD725-A1AC4AS-1-0-AHS-11S-A-10A0
Typical Calibration Frequency: Calibration verification is recommended every two (2) years
Notes: 1. Terminal Based Accuracy – Includes combined effects of linearity, hysteresis and repeatability. Analog output adds 0.006% of span 2. For zero based spans and reference conditions of: 25oC (77oF), 0 psig static pressure, 10 to 55% RH and 316SS barrier diaphragm.
