Additel 685 Digital Pressure Gauges

  • Pressure ranges up to 60,000 psi (4,200 bar)
  • 0.02%, 0.05% FS or 0.1% RD Accuracy
  • Fully temperature compensated accuracy
  • Every model measures Gauge or Absolute Pressure
  • Built-in Barometer
  • Touchscreen display
  • Intrinsically safe version 685Ex (optional)
  • Bluetooth and USB communications
  • Data logging (optional)
  • IP67 Rated
  • Communicates with Additel’s Link Mobile App

 

Models:  Please see Ordering Information for model numbers.

 

Please call or contact support for equipment price, lead time, and to buy equipment.

Please call or contact support for calibration quote. We will meet or beat any manufacturer’s calibration price.

Digital pressure gauge displaying 60.000 kPa with a zero calibration option.

Details

Additel’s ADT685 digital pressure gauges are in a class of their own with an amazingly easy to use and read touchscreen display. The all new modern menu structure and control interface bring a new and refreshing experience to gauge work. With microprocessor technology, state-of-the-art silicon pressure sensors and plenty of onboard storage capacity, these attractive and fully temperature compensated gauges will provide the performance, durability and reliability you’ve come to expect from genuine Additel products. To provide support for intrinsically safe needs, the ADT685Ex comes ready to provide pressure measurements and recordings in the most demanding of environments. Each Additel 685 is also IP67 rated to protect your investment in dusty and/or wet environments.

 

A Modern User Experience:

  • Additel has gone above and beyond to provide customers with the best possible experience when using these new and revolutionary gauges. The 3.4 inch touchscreen display comes with a protective replaceable tempered glass screen and is a refreshing update to the traditional push button or blister pad interface. With an easy to navigate menu structure and fast touchscreen response, you will find these ADT685 gauges simple yet powerful to use. The easy to read display isn’t just fun to use, but it’s built rugged to handle the demands of a busy technician in the field or the laboratory.

 

Every model measures Gauge or Absolute Pressure:

  • The Additel 685 Digital Pressure Gauges contain a built-in barometer sensor which allows for the pressure reading to display in gauge pressure or absolute pressure with a simple menu selection. The built-in barometer is calibrated and certified to an accuracy of 50 Pa. With this unique feature, the ADT685 can be a solution for three common applications: gauge pressure measurement, absolute pressure measurement, and barometric or atmosphere pressure measurement. Having an Additel as your gauge will always give you the ability to do more with one instrument!

 

Datalogging Option:

  • Additel has added the option to do stand-alone data logging with the ADT685. Now you can record more than 10M records internal to the 685 series. Each record includes date, time, pressure and temperature readings. Download the logged data with our free Additel/Land software or you can purchase our Additel/Log II for real-time logging and data analysis. Additel’s 685 digital pressure gauges are unmatched in performance and reliability. You get nothing but the best when you buy Additel Products!

Specifications

Specifications for ADT685 and ADT685Ex
Intrinsic Safety 

&

European Compliance

 685:

  • CE, UKCA

685Ex:

  • CE marked, CSA marked
  • ATEX certified intrinsically safe
  • II 1G EX ia IIC T4 Ga
Accuracy 

(For detailed accuracy, see pressure range tables)

 685(Ex)-:

  • -01:  0.01% of full span
  • -02:  0.02% of full span
  • -05:  0.05% of full span

685(Ex)-RD:

  • 0% to 20% of range:  0.02% of full span
  • 20% to 110% of range:  0.1% of reading

Built-in barometer:  55 Pa
Gauge types Gauge pressure, compound pressure, absolute pressure, differential pressure and barometric pressure
Display Touch screen (3.4″ FSTN segment capacitive) – 5 1/2 full digits

Screen protector:  tempered glass film (replaceable)

Display rate:  3 readings per second (default setting). Adjustable from 10 readings per second to 1 reading every 20 seconds
Pressure units[3] Pa, kPa, MPa, psi, bar, mbar, kgf/cm2, inH20@4°C, mmH20 @4°C, inHg @4°C, mmHg@4°C and 3 customizable units
Environmental Compensated Temp. :  14°F to 122°F (-10°C to 50°C)

Operating Temp. :  14°F to 122°F (-10°C to 50°C)

Storage Temp. :  -4°F to 158°F (-30°C to 70°C)

Humidity:  0 – 95%, Non-condensing
Pressure port < 15,000 psi:  1/4NPT male, 1/2NPT male, 1/4BSP male, 1/2BSP male, M20 x 1.5 male

≥15,000 psi:  1/4HP female or 1/4HP male

  • 1/4HP female:  Autoclave F-250-C, 9/16″ – 18 UNF-2B
  • 1/4HP male:  Autoclave M-250-C, 9/16″ – 18 UNF-2A

Differential Pressure:  barb fitting

Other connections available per request
Power Battery:  three AA alkaline batteries (included)

Battery life:  1500 hours typical

Power auto-off:  user selectable

External power:  110V / 220V power adapter (5 VDC) (optional, excl ADT685Ex)
Enclosure Case material:  304 SS

Wetted parts:  316 SS[1]

Size:  4.65″ x 1.77″ x 7.01″ (118 mm x 42 mm x 178 mm)

Weight:  1.50 lbs (0.68 kg)
Compliance Protection Level:  IP67

Vibration:  5 g (10 – 500 Hz)

Shock Resistance:  8 g/11 ms
Data logging

(Available on data logging option  ADT685-…-DL)

 Data storage:  10,000,000 records

Rate:  user-selectable from 0.1 to 9999.9 second intervals
Communication USB Type-C and Bluetooth included

RS-232 or RS-485[2] (optional)
4 – 20 mA Output[2] 3.2 μA
Warranty 1 year
  • [1]: Wetted parts material types may vary by pressure range.
  • [2]: 4-20mA output and RS-485 not available in ADT685Ex models
  • [3]: Available units are dependent on the overall pressure range

 

 

More Specifications: Pressure range (Gauge pressure, barometric pressure, compound pressure, differential pressure)

Ordering information

Model numbers of the Additel 685

ADT685- and ADT685Ex-
Accuracy
  • -01:  0.01% of full span
  • -02:  0.02% of full span
  • -05:  0.05% of full span
  • -10:  0.1% of full span
  • -20:  0.2% of full span
  • -RD:  0.1% of reading
Pressure range P/N
Range type
  • -PSI:  Range by PSI
  • -BAR:  Range by bar
  • -H₂O:  Range by inH₂O
Pressure port type
  • -N:  1/4NPT male
  • -N2:  1/2NPT male
  • -B:  1/4BSP male
  • -B2:  1/2BSP male
  • -M:  M20 X 1.5 male
  • -AF:  Autoclave F-250-C female
  • -AM:  Autoclave M-250-C male
Data logging
  • -DL
Comm port (optional)
  • -232:  RS-232
  • -485:  RS-485 (excl ADT685Ex)
  • -20MA:  4-20 mA (excl ADT685Ex)

Included accessories with the Additel 685

  • Rubber boot
  • AA alkaline battery (3 pcs)
  • USB cable (type-C) (1 pc)
  • RS-485 Adapter (for RS-485 models only)
  • 4-20m A cable (for 20MA models only)
  • Silicone tube – 1 meter each (2 pcs for DP models only)

Resources

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