original honeywell STD725 pressure transmitter with display 4-20mA output
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.
The accuracy is up to 0.065% of the range
Stability of up to 0.020% of URL per year over 10 years
Automatic static pressure and temperature compensation
Range up to 100:1
Response time up to 100ms
Easy to use and intuitive display features intuitive external zero, span and configuration functions
Perfect self-diagnosis function
Integrated dual seal design for maximum safety based on ANSI/NFPA 70-202 and ANSI/ISA 12.27.0
Excellent overvoltage protection
World class overpressure protection
Full compliance to SIL 2/3 requirements.
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.