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Additel ADT 681 series Digital Pressure Gauges

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With advanced microprocessor technology and state-of-the-art silicon pressure sensors, the Additel ADT 681 series Digital Pressure Gauges digital pressure gauges provide an accurate, reliable, and economic solution for a wide range of pressure applications. The Additel ADT681 series 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. The Additel ADT681 series digital pressure gauges are unmatched in performance and reliability. Best of all, the Additel ADT-681 are very affordable.

Pressure Ranges
Gauge Pressure
Model Pressure Range(psi) Pressure Range(bar) Media Accuracy(% FS) Burst Pressure
V15 -15 -1.0 Gas 0.025 (0.05, 0.1, 0.2) 3x
GP2 2 0.16 Gas 0.05 (0.1, 0.2) 3x
GP5 5 0.35 Gas 0.025 (0.05, 0.1, 0.2) 3x
GP10 10 0.7 Gas 0.025 (0.05, 0.1, 0.2) 3x
GP15 15 1.0 Gas, Liquid 0.025 (0.05, 0.1, 0.2) 3x
GP30 30 2.0 Gas, Liquid 0.025 (0.05, 0.1, 0.2) 3x
GP50 50 3.5 Gas, Liquid 0.025 (0.05, 0.1, 0.2) 3x
GP100 100 7.0 Gas, Liquid 0.025 (0.05, 0.1, 0.2) 3x
GP300 300 20 Gas, Liquid 0.025 (0.05, 0.1, 0.2) 3x
GP500 500 35 Gas, Liquid 0.025 (0.05, 0.1, 0.2) 3x
GP600 600 40 Gas, Liquid 0.025 (0.05, 0.1, 0.2) 3x
GP1K 1000 70 Gas, Liquid 0.025 (0.05, 0.1, 0.2) 3x
GP2K 2000 140 Gas, Liquid 0.025 (0.05, 0.1, 0.2) 3x
GP3K 3000 200 Gas, Liquid 0.025 (0.05, 0.1, 0.2) 3x
GP5K 5000 350 Gas, Liquid 0.025 (0.05, 0.1, 0.2) 3x
GP10K 10000 700 Gas, Liquid 0.025 (0.05, 0.1, 0.2) 2x
GP15K 15000 1000 Gas, Liquid 0.1(0.2) 2x
GP25K 25000 1600 Gas, Liquid 0.1(0.2) 1.5x
GP30K 30000 2000 Gas, Liquid 0.1(0.2) 1.5x
GP36K 36000 2500 Gas, Liquid 0.1(0.2) 1.5x
Specification
Features Description
Type Regular gauge
Gauge Types Gauge pressure, Compound pressure, Absolute pressure, Differential pressure
Fan-shaped Graph Scale Similar to analog dials, including pressure swing, % indication with fan-shaped graph scale for visual reference, low/high alarm.
Display 5 full digit FSTN LCD
Display rate: 3 readings per second (Default setting)
Adjustable from 10 readings per second to 1 reading every ten seconds
Numeral display height: 16.5mm(0.65”)
Pressure Units Pa, kPa, MPa, psi, bar, mbar, kgf/cm2, inH2O@4°C, mmH2O@4°C, inHg@0°C, mmHg@0°C
Environmental Compensated Temperature: 14 to 122°F (-10 to 50°C)
Operating Temperature: 14 to 122°F (-10 to 50°C)
.025%FS accuracy guaranteed only over the ambient temperature range of 68°F to 79°F (20°C to 26°C)
Storage Temperature: -4 to 158°F (-20 to 70°C)
Humidity: <95%
Media Compatibility 0 – 30 psi: Clean dry non-corrosive gases
50 – 36,000 psi: media compatible with 316L SS
Pressure Port 1/4" NPT male, 1/4" BSP male, M20 x 1.5 male (<15,000 PSI)
1/4" HP female or 1/4" HP male(>15,000 PSI):
1/4" HP female or 1/4" HP male(>15,000 PSI)
1/4" HP male: Autoclave M-250-C, 9/16" - 18 UNF-2A
0.156 inch (Ø4 mm) test hose (for differential pressure)
Other connections available per request
Power Battery: One 9V alkaline battery (included)
Battery life: 300 hours (10 readings/s), 600 hours (3 reading/s), or 6000 hours (1 reading/10s)
Power auto-off: 60 minutes power auto-off. Auto-off may be disable
External power: 110/220V external power adapter (optional)
(Do not use the external power adapter in a hazardous atmosphere)
Enclosure Case material: Aluminum alloy
Wetted parts: 316L SS
Dimension: Φ110mm X 35mm depth X 176mm height
(panel mount gauge: Φ140mm X 86mm depth)
Weight: 0.6kg
Intrinsic Safety and European Compliance CE marked
ATEX certified intrinsically safe (ADT 681IS)
Communication RS232 (Do not use the RS-232 connector in a hazardous atmosphere)
Warranty 1 year
Ordering Information
Model Description Buy Online Price
ADT681 BAR Additel ADT 681 series Digital Pressure Gauges, Bar Pressure Click here for all Available Configuarations
ADT681 PSI Additel ADT 681 series Digital Pressure Gauges, Psi Pressure Units Click here for all Available Configuarations
Included Accessories
  • 1 - 9V alkaline battery
  • 1 - Manual
  • 1 - NIST traceable calibration certificate
Included
Optional Accessories
9050 Additel 9050 USB to RS 232 (DB9/M) Adapter Buy Now $106.00
9502 Additel 9502 Additel/Log II real time logging and graphical software for ADT681 and ADT672 Buy Now $374.00
9812-US Additel 9812-US Power Adapter, 110V/220V External Power Adapter, Dc 9V (Us Plug) Buy Now $53.00
9900-681 Additel 9900-681 Carrying case for one ADT681 gauge Buy Now $128.00