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• Automated and self-contained pressure generation and control to 35 psi ( 2.5 bar)

• Up to 0.02%FS accuracy

• Two removable internal pressure modules for multi-range selection

• Control stability to 0.005%FS

• Portable, designed for use in the field and in the lab

• Ability to measure two external pressure modules

• Wi-Fi, Bluetooth, USB and Ethernet communication

• HART and profibus communication

• Data logging and task management

• Patented electric pump technology and improved speed

At Additel, innovation and continuous improvement are part of our company's culture and the products we introduce. When we set out to deliver the Additel 761A series calibrators, we knew we needed to provide breakthrough improvements and additional value to the existing line of calibrators (Additel 761 series). The ADT761A has many improvements: increased pressure range to 1,000 psi (70 bar), removable internal pressure modules, optional precision models to 0.01%FS, increased speed to pressure, ability to read two external pressure modules, touch screen display, Wi-Fi, Bluetooth, and Ethernet communications, double the original battery life, and more!

ADT761A-LLP
The Additel 761A-LLP is designed for low pressure calibration and comes with a ±30 inH2O (±75 mbar) high range module and a low range module of your choice ranging from ±20 inH2O to as low as ±0.25 inH2O (±50 to ±0.62 mbar). This unit has an accuracy of 0.05%FS with control stability better than 0.005%FS. All measurements can be made in differential or gauge pressures.

ADT761A-D
The Additel 761A-D also provides differential and gauge measurement which covers the range of -13.5 to 35 psi (-0.95 to 2.5 bar). This unit comes with a CP35 module (-13.5 to 35 psi) and one low range module of your choice rangeing as low as ±10 inH2O (25 mbar). Each ADT761A-D can be preconfigured with the modules that fit your need to give you the best precision at the pressures you perform calibrations.



High Pressure Automatic Calibration


Pressure Gauge, Transmitter, or Switch Calibration


Task Menu

Pressure Specifications
Specification761A-LLP761A-D761A-500761A-1K761A-APXR761A-BP
Max Pressure Range30 inH2O (75 mbar)35 psi (2.5 bar)500 psig (35 bar.g)1,000 pisg (70 bar.g)Dependent on APXR1,200 hPasensor
Min Pressure Range-30 inH2O (-75 mbar)-13.5 psi (-0.95 bar)-13 psi (-0.9 bar)-13 psi (-0.9 bar)Dependent on APXR100 hPasensor
Accuracy(1)0.05%FS0.02%FS0.02%FS0.02%FS0.01%FS0.01%FS
Stability0.005%FS or 0.05 Pa0.005%FS0.005%FS0.005%FS0.003%FS0.02 hPa
Pressure TypeDifferential, GaugeDifferential, GaugeGauge, AbsoluteGauge, AbsoluteGauge, AbsoluteAbsolute
Over Range Indication1.2
Resolution6 digits
Measurement UnitsPa, hPa, kPa, mPa, bar, mbar, psi, mmHg@0°C, cmHg@0°C, mHg@0°C, inHg@0°C, inH2O@4°C, mmH2O@4°C, cmH2O@4°C, mH2O@4°C, mmH2O@20°C, cmH2O@20°C, mH2O@20°C, inH2O@20°C, kg/m2, mtorr, torr, lb/ft2, tsi, custom
Barometric AccuracyN/AN/A55 Pa55 Pa55 PaN/A
[1] One year accuracy (including 1 year stability). FS specification applies to the span of the module range.
[2] Specification based on gauge measurement. An additional 60 pa uncertainty will need to be included when measuring in absolute mode. Applicable only for use with the ADT761A-500 and ADT761A-1K
* Additel 761A calibrators support 160A intelligent digital pressure modules that are available for gauge, vacuum and absolute pressure from -15 psi to 60,000 psi (-1 bar to 4200 bar).For detailed specs, see the 160A pressure module data sheet.
Electrical Specifications
SpecificationRangeResolutionAccuracyNote
mA MeasureAuto-ranging, ±25 or ±50 mA0.1 μA0.008%RD+0.004%FSImpedance <10Ω
V Measure±300 mV1 μV0.008%RD+0.002%FSImpedance >1GΩ
Auto-ranging, ±5, ±12 or ±30 V±5V:20 μV0.008%RD+0.002%FSImpedance >1MΩ
±12V:100 μV
±30V:100 μV
Loop Power Source24 VN/A±0.24 V50 mA (Max Loading)
mA Source0 to 2.5 mA or 2.5 to 25 mA0-2.5 mA: 0.05μA0-2.5 mA: 0.008%RD+0.1 μA20 mA @ 1KΩ
0-25 mA:0.5μA0-25 mA: 0.008%RD+1.0 μA
Power Source16 to 30 V1 V±0.5 V(24 V: ±0.24 V)70 mA (Max Loading)
V Source0 to 16 V250 μV0.008%RD+0.002%FS
Pressure SwitchMechanical Switch, Live Mechanical Switch, NPN Switch, PNP SwitchN/AN/AResponse time<10 ms. If the switch is live, voltage range will be (3-30) V
Temperature Compensation5°C to 35°C
Temperature CoefficientOutside of 5°C to 35°C: <±0.0005%RD+0.0001%FS/°C
Misuse ProtectionUp to 30 V on any two sockets
Internal Module Specification and Compatibility
ModelinH2OmbarMediaAccuracy (%FS)(1)Burst Pressure761A-LLP761A-D761A-500761A-1K
ADT155-DP025±0.25±0.62G0.2 (2)100x
ADT155-DP050±0.5±1.25G0.1(3)100x
ADT155-DP1±1±2.5G0.05(4)100x
ADT155-DP2±2±5G0.05(4)100x
ADT155-DP5±5±10G0.05(4)50x
ADT155-DP10±10±25G0.05(4)20x
ADT155-DP20±20±50G0.0520x
ADT155-DP30±30±75G0.0520x
ADT155-DP50±50±160G0.053x
ADT155-DP150±150±350G0.023x
ADT155-DP300±300±700G0.023x
ADT155-DP400-380 to 400-950 to 1KG0.023x
ADT155-DP800-380 to 800-950 to 2KG0.023x
ADT155-DP1K-380 to 1K-950 to 2.5KG0.023x
[1] FS specification applies to the span of the module range. Accuracy includes one-year stability, except for DP025 to DP10 modules.
[2] Accuracy is a 6 months spec, 1-year long-term drift is 0.2%FS.
[3] Accuracy is a 6 months spec, 1-year long-term drift is 0.1%FS.
[4] Accuracy is a 6 months spec, 1-year long-term drift is 0.05%FS.
[5] Specification based on gauge measurement. An additional 60 pa uncertainty will need to be included when measuring in absolute mode.Applicable only for use with the ADT761A-500 and ADT761A-1K.
Internal Module Specification and Compatibility (Gauge Pressure)
Modelpsigbar.gMediaAccuracy (%FS)(1)Burst Pressure761A-LLP761A-D761A-500761A-1K
ADT155-CP10±10±0.7G0.02(5)3x
ADT155-CP15-13.5 to 15-0.95 to 1G0.02(5)3x
ADT155-CP30-13.5 to 30-0.95 to 2G0.02(5)3x
ADT155-CP35-13.5 to 35-0.95 to 2.5G0.02(5)3x
ADT155-CP50-13.5 to 50-0.90 to 3.5G0.02(5)3x
ADT155-CP100-13.5 to 100-0.95 to 7G0.02(5)3x
ADT155-CP150-13.5 to 150-0.95 to 10G0.02(5)3x
ADT155-CP200-13.5 to 200-0.95 to 14G0.02(5)3x
ADT155-CP300-13.5 to 300-0.95 to 20G0.02(5)3x
ADT155-CP500-13.5 to 500-0.95 to 35G0.02(5)3x
ADT155-CP600-13.5 to 600-0.95 to 40G0.02(5)3x
ADT155-CP1K-13.5 to 1K-0.95 to 70G0.02(5)3x
[1] FS specification applies to the span of the module range. Accuracy includes one-year stability, except for DP025 to DP10 modules.
[5] Specification based on gauge measurement. An additional 50 pa uncertainty will need to be included when measuring in absolute mode.Applicable only for use with the ADT761A-500 and ADT761A-1K.
General Specifications
SpecificationDescription
User InterfaceColor touch screen and/or keypad operation
Four total: one electrical, high or low internal
Channelspressure module, two external pressure modules
Enclosure IP RatingIP31
BatteryRechargeable Li-Ion battery, typically 16 hours of operation, recharges in less than 5 hours.
PowerRechargeable Li-Ion battery, external power 110/220 V power adapter 27 V
Display7” TFT touch screen 800 x 480 color
CommunicationsUSB, LAN, Bluetooth, Wi-Fi
Weight<17.52 lb (7.95 KG)
Size11.77 x 7.60 x 7.56 in (299 x 193 x 192 mm)
CertificationISO17025 accredited certificate of calibration with NIST-traceable data
Data Storage6 GB
Data LoggingUp to 1,000,000 readings (data and time stamped)
Task documentationUp to 1000 tasks can be stored with data
Automation FunctionsSwitch test, auto step, leak test
User Interface LocalizationEnglish, German, French, Italian, Spanish, Portuguese, Chinese, Japanese, and Russian
Pump life>100,000 cycles
Environmental SpecificationsOperating temperature: 32 °F to 122 °F( 0°C to 50°C)
Compensated temperature: 32 °F to 122 °F( 0°C to 50°C)
Storage temperature: -20°C to 60°C ( -4 °F to 120 °F)
Humidity: <90%, non-condensing
Vibration and ShockVibration: 4g (20 to 2,000 Hz)
Shock: 8g, 1 meter drop test
ComplianceCE
Software CompatibilityACal, Additel Land and Additel Link for access via mobile application
Warranty1 year
Pressure Range
TypeModelPressure RangeHigh-Range Pressure ModuleLow-Range Pressure Module
RangeAccuracyRangeAccuracy
Low/Differential PressureADT761A-LLP-75 to 75 mbar (-30 to 30 inH2O)DP30: -75 to 75 mbar (-30 to 30 inH2O)0.05%FSUser selectable from DP20 to DP025See Internal Module Table
ADT761A-D-0.95 to 2.5 bar (-13.5 to 35 psi)CP35: -0.95 to 2.5 bar (-13.5 to 35 psi)0.02%FSUser selectable from DP10 to CP30See Internal Module Table
Standard Accuracy Gauge/Absolute PressureADT761A-500-0.9 to 35 bar (-13 to 500 psi)CP500: -0.9 to 35 bar (-13 to 500 psi)0.02%FSUser selectable from CP10 to CP300See Internal Module Table
ADT761A-1K-0.9 to 70 bar (-13 to 1000 psi)CP1K: -0.9 to 70 bar (-13 to 1000 psi)0.02%FSUser selectable from CP30 to CP600See Internal Module Table
Precision Accuracy Gauge/Absolute PressureADT761A-30R-0.95 to 1 bar (-13.5 to 15 psi)AP30R: -0.95 to 1 bar (-13.5 to 15 psi)0.01%FSSingle sensor only
ADT761A-50R-0.95 to 2.5 bar (-13.5 to 35 psi)AP50R: -0.95 to 2.5 bar (-13.5 to 35 psi)0.01%FSSingle sensor only
ADT761A-100R-0.95 to 7 bar (-13.5 to 100 psi)AP100R: -0.95 to 7 bar (-13.5 to 100 psi)0.01%FSSingle sensor only
ADT761A-300R-0.9 to 21 bar (-13 to 300 psi)AP300R: -0.9 to 21 bar (-13 to 300 psi)0.01%FSSingle sensor only
ADT761A-500R-0.9 to 35 bar (-13 to 500 psi)AP500R: -0.9 to 35 bar (-13 to 500 psi)0.01%FSSingle sensor only
ADT761A-1KR-0.9 to 70 bar (-13 to 1000 psi)AP1KR: -0.9 to 70 bar (-13 to 1000 psi)0.01%FSSingle sensor only

Documents:

File nameUpload DateSize
Additel 761A Automated Pressure Calibrator Datasheet 2019.8.26 1.8 MB
ADT761A Selection Guide.pdf 2019.8.26 0.1 MB

Selection Guide
Models761A-LLP761A-D761A-500761A-1K761A-APXR761A-BP
Pressure Range-75 to 75 mbar (-30 to 30 inH2O)-0.95 to 2.5 bar.g (-13.5 to 35 psig)-0.90 to 35 bar.g (-13 to 500 psig)-0.90 to 70 bar.g (-13 to 1000 psig)-0.90 to 70 bar.g (-13 to 1000 psig)100 to 1,200 hPa
Control Stability<0.005%FS or 0.05Pa<0.005%FS<0.005%FS<0.005%FS<0.003%FS<0.02 hPa
Number of Internal Modules222211
Removable Internal Modules
Differential Pressure
Gauge Pressure
Absolute Pressure
Barometric Pressure
Two External Pressure Modules
Built-in Electric Pump
Source/Simulate mA
Measure mA or V
24V Loop Power
Pressure Switch Test
HART/Profibus Communication
Task Documentation
Data Logging

Videos:

File name
Additel 761A Introduction