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• Automated and self-contained pressure generation and control to 1000 psi ( 70 bar)

• Up to 0.01%FS accuracy

• Single pressure module

• Control stability to 0.003%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-APXR Precision Accuracy Options
The Additel 761A series includes a precision accuracy option which provides an accuracy of 0.01%FS. This calibrator option includes a single non-removable sensor and can measure absolute and gauge pressures. Model configurations are available from 15 to 1,000 psig (1 to 70 bar.g).



High Pressure Automatic Calibration


Pressure Gauge,  Transmitter, or Switch Calibration


Task Menu

Pressure Specifications
Specification 761A-LLP 761A-D 761A-500 761A-1K 761A-APXR 761A-BP
Max Pressure Range 30 inH2O (75 mbar) 35 psi (2.5 bar) 500 psig (35 bar.g) 1,000 pisg (70 bar.g) Dependent on APXR 1,200 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 APXR 100 hPasensor
Accuracy(1) 0.05%FS 0.02%FS 0.02%FS 0.02%FS 0.01%FS 0.01%FS
Stability 0.005%FS or 0.05 Pa 0.005%FS 0.005%FS 0.005%FS 0.003%FS 0.02 hPa
Pressure Type Differential, Gauge Differential, Gauge Gauge, Absolute Gauge, Absolute Gauge, Absolute Absolute
Over Range Indication 1.2
Resolution 6 digits
Measurement Units Pa, 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 Accuracy N/A N/A 55 Pa 55 Pa 55 Pa N/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
Specification Range Resolution Accuracy Note
mA Measure Auto-ranging, ±25 or ±50 mA 0.1 μA 0.008%RD+0.004%FS Impedance<10Ω
V Measure ±300 mV 1 μV 0.008%RD+0.002%FS Impedance >1GΩ
Auto-ranging, ±5, ±12 or ±30 V ±5V:20 μV 0.008%RD+0.002%FS Impedance >1MΩ
±12V:100 μV
±30V:100 μV
Loop Power Source 24 V N/A ±0.24 V 50 mA (Max Loading)
mA Source 0 to 2.5 mA or 2.5 to 25 mA 0-2.5 mA: 0.05μA 0-2.5 mA: 0.008%RD+0.1 μA 20 mA @ 1KΩ
0-25 mA:0.5μA 0-25 mA: 0.008%RD+1.0 μA
Power Source 16 to 30 V 1 V ±0.5 V(24 V: ±0.24 V) 70 mA (Max Loading)
V Source 0 to 16 V 250 μV 0.008%RD+0.002%FS
Pressure Switch Mechanical Switch, Live Mechanical Switch, NPN Switch, PNP Switch N/A N/A Response time<10 ms. If the switch is live, voltage range will be (3-30) V
Temperature Compensation 5°C to 35°C
Temperature Coefficient Outside of 5°C to 35°C: <±0.0005%RD+0.0001%FS/°C
Misuse Protection Up to 30 V on any two sockets
Internal Module Specification and Compatibility
Model inH2O mbar Media Accuracy (%FS)(1) Burst Pressure 761A-LLP 761A-D 761A-500 761A-1K
ADT155-20-DP025 ±0.25 ±0.62 G 0.2 (2) 100x
ADT155-10-DP050 ±0.5 ±1.25 G 0.1(3) 100x
ADT155-05-DP1 ±1 ±2.5 G 0.05(4) 100x
ADT155-05-DP2 ±2 ±5 G 0.05(4) 100x
ADT155-05-DP5 ±5 ±10 G 0.05(4) 50x
ADT155-05-DP10 ±10 ±25 G 0.05(4) 20x
ADT155-05-DP20 ±20 ±50 G 0.05 20x
ADT155-05-DP30 ±30 ±75 G 0.05 20x
ADT155-05-DP50 ±50 ±160 G 0.05 3x
ADT155-02-DP100 ±100 ±250 G 0.02 3x
ADT155-02-DP150 ±150 ±350 G 0.02 3x
ADT155-02-DP300 ±300 ±700 G 0.02 3x
ADT155-02-DP400 -380 to 400 -950 to 1K G 0.02 3x
ADT155-02-DP800 -380 to 800 -950 to 2K G 0.02 3x
ADT155-02-DP1K -380 to 1K -950 to 2.5K G 0.02 3x
[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 50 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)
Model psig bar.g Media Accuracy (%FS)(1) Burst Pressure 761A-LLP 761A-D 761A-500 761A-1K
ADT155-02-CP10 ±10 ±0.7 G 0.02(5) 3x
ADT155-02-CP15 -13.5 to 15 -0.95 to 1 G 0.02(5) 3x
ADT155-02-CP30 -13.5 to 30 -0.95 to 2 G 0.02(5) 3x
ADT155-02-CP35 -13.5 to 35 -0.95 to 2.5 G 0.02(5) 3x
ADT155-02-CP50 -13.5 to 50 -0.90 to 3.5 G 0.02(5) 3x
ADT155-02-CP100 -13.5 to 100 -0.95 to 7 G 0.02(5) 3x
ADT155-02-CP150 -13.5 to 150 -0.95 to 10 G 0.02(5) 3x
ADT155-02-CP200 -13.5 to 200 -0.95 to 14 G 0.02(5) 3x
ADT155-02-CP300 -13.5 to 300 -0.95 to 20 G 0.02(5) 3x
ADT155-02-CP500 -13.5 to 500 -0.95 to 35 G 0.02(5) 3x
ADT155-02-CP600 -13.5 to 600 -0.95 to 40 G 0.02(5) 3x
ADT155-02-CP1K -13.5 to 1K -0.95 to 70 G 0.02(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
Specification Description
User Interface Color touch screen and/or keypad operation
Four total: one electrical, high or low internal
Channels pressure module, two external pressure modules
Enclosure IP Rating IP31
Battery Rechargeable Li-Ion battery, typically 16 hours of operation, recharges in less than 5 hours.
Power Rechargeable Li-Ion battery, external power 110/220 V power adapter 27 V
Display 7” TFT touch screen 800 x 480 color
Communications USB, LAN, Bluetooth, Wi-Fi
Weight <17.52 lb (7.95 KG)
Size 11.77 x 7.60 x 7.56 in (299 x 193 x 192 mm)
Certification ISO17025 accredited certificate of calibration with NIST-traceable data
Data Storage 6 GB
Data Logging Up to 1,000,000 readings (data and time stamped)
Task documentation Up to 1000 tasks can be stored with data
Automation Functions Switch test, auto step, leak test
User Interface Localization English, German, French, Italian, Spanish, Portuguese, Chinese, Japanese, and Russian
Pump life >100,000 cycles
Environmental Specifications Operating 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 Shock Vibration: 4g (20 to 2,000 Hz)
Shock: 8g, 1 meter drop test
Compliance CE
Software Compatibility ACal, Additel Land and Additel Link for access via mobile application
Warranty 1 year
Pressure Range
Type Model Pressure Range High-Range Pressure Module Low-Range Pressure Module
Range Accuracy Range Accuracy
Low/Differential Pressure ADT761A-LLP -75 to 75 mbar (-30 to 30 inH2O) DP30: -75 to 75 mbar (-30 to 30 inH2O) 0.05%FS User selectable from DP20 to DP025 See 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%FS User selectable from DP10 to CP30 See Internal Module Table
Standard Accuracy Gauge/Absolute Pressure ADT761A-500 -0.9 to 35 bar (-13 to 500 psi) CP500: -0.9 to 35 bar (-13 to 500 psi) 0.02%FS User selectable from CP10 to CP300 See 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%FS User selectable from CP30 to CP600 See Internal Module Table
Precision Accuracy Gauge/Absolute Pressure ADT761A-30R -0.95 to 1 bar (-13.5 to 15 psi) AP30R: -0.95 to 1 bar (-13.5 to 15 psi) 0.01%FS Single 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%FS Single 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%FS Single 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%FS Single 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%FS Single 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%FS Single 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
Additel 761A User Manual 2018.3.28 2.2 MB

Update Packages:

File name Upload Date Size
Additel 761A Firmware Package 2019.12.10 11.1 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