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ADT681 Digital Pressure Gauge
Brand: Additel
With advanced microprocessor technology and state-of-the-art silicon pressure sensors, the 681 series digital pressure gauges provide an accurate, reliable, and economic solution for a wide range of pressure applications. They are loaded with functionality and remarkably easy to use.
To reach the best performance, every silicon pressure sensor in our gauges is specially aged, tested and screened before assembly. At Additel, fully temperature compensated accuracy means every sensor is pressure tested at several environmental temperatures from -10°C to 50°C.
With this test data individual coefficients are generated and stored in the gauge characterizing its performance over the full temperature compensated range.
Features- Pressure ranges to 40,000 psi (2,800 bar)
- 0.02%, 0.05%, 0.1% or 0.2% Full Scale accuracy
- % pressure indication with fan-shaped graph scale for visual reference
- Fully temperature compensated accuracy
- Panel mount gauges are available (optional)
- Intrinsically safe version 681IS (optional)
- Data logging (optional)
Specifications
Brand
Accuracy
- 0.02 % of Full Scale
- 0.05 % of Full Scale
- 0.1 % of Full Scale
- 0.2 % of Full Scale
Applications
- Field Gauge Calibration
- Precision Pressure Measurement
- Pressure Regulator Testing
- Pressure Safety Valve Testing
Approvals & Certifications
- ATEX
- CE
- CSA
Battery Life
- 300 Hours (10 Readings Per second), 600 Hours (3 Readings Per second), 6,000 Hours (1 Reading Per 10 seconds)
BSP Connection
- 1/4” BSP Male
Burst Pressure
- 1.1 times Full Scale
- 1.5 times Full Scale
- 3 times Full Scale
Communication
- Data Logging: 21,843 Records (Each Record Includes Date, Time, Pressure & Temperature) Rate: User Selectable from 1 to 99,999 second Intervals
Compensated Temperature
- -10° to 50° C (14° to 122° F)
Cone & Thread Connection
- Autoclave F-250-C Female
- Autoclave M-250-C Male
Display
- 5-Digit LCD
- Display Rate: 3.5 Readings Per second
Enclosure, Body Material
- Aluminum Alloy
Environmental Protection
- Intrinsically Safe
Interface Connection
- RS-232-DB9 Socket
Metric Connection
- M20 x 1.5 Male
Mounting
- Bottom Mounting
- Panel Mount
NACE & NIST
- NIST Certification (Select Ranges)
NPT Connection
- 1/2” NPT Male
- 1/4” NPT Male
Operating Temperature
- -10° to 50° C (14° to 122° F)
Power
- 110/220 V Power Adapter
- 9 V Battery Power or AC Adpater
Pressure Range
- bar: -1.034 to 2,758
- Inches WC: 0 to 300
- kPa: -103.4 to 275,790
- psi: -15 to 40,000
Pressure Type
- Absolute
- Compound (Vacuum & Gauge Pressure)
- Differential
- Gauge
Storage Temperature
- -20° to 70° C (-4° to 158° F)
Wetted Materials
- 316L Stainless Steel