Additel ADT 917 is a powerful pneumatic pressure test pump designed for professional pressure calibration from 95% vacuum to 1,000 psi / 70 bar. The hand-operated pump combines a remarkably wide pneumatic pressure range with fine adjustment down to 10 Pa / 0.1 mbar, excellent pressure stability and convenient hand-tight quick connectors. This makes the Additel ADT 917 an ideal pressure source for calibrating pressure gauges, pressure transmitters, sensors, switches and other pneumatic pressure instruments.
The Additel ADT 917 uses air as the pressure medium and requires no electrical power or external compressed-air supply. Pressure can be generated directly with the operating lever, while a high-quality screw press enables precise adjustment of the required calibration pressure.
A specially designed shut-off valve helps maintain stable pressure during calibration. The integrated gas-liquid isolator protects the internal pump mechanism from moisture and dirt, helping to reduce maintenance requirements. For applications with special cleanliness requirements, the ADT 917 can also be special ordered for oil-free applications according to Additel.
Two hand-tight quick connectors allow the reference pressure gauge and device under test to be connected directly to the pump. Compatible instruments can be connected and disconnected without PTFE tape or conventional wrenches.
At europascal, the Additel ADT 917 complements a comprehensive portfolio of professional pressure generation and calibration equipment. In addition to supplying high-quality calibration technology, europascal provides accredited calibration services for pressure and other measurement quantities. Find more information about calibration and metrological traceability at the europascal Calibration Service.
Your Benefits at a Glance
The Additel ADT 917 combines a wide pneumatic pressure range with precise manual adjustment and excellent portability.
Key advantages include:
- Pressure generation from 95% vacuum to 1,000 psi / 70 bar
- Vacuum and positive pressure generation with one pump
- Fine adjustment down to 10 Pa / 0.1 mbar
- Air as pressure medium
- Completely hand-operated pressure generation
- No electrical power required
- No external compressed-air supply required
- Direct pressure generation using the operating lever
- High-quality screw press for fine pressure adjustment
- Special shut-off valve for excellent pressure stability
- Integrated gas-liquid isolator
- Protection against moisture and dirt
- Two hand-tight quick connectors
- Reference and device under test can be connected simultaneously
- No PTFE tape or conventional wrenches required for compatible connections
- NPT, BSP and M20 × 1.5 pressure port versions available
- Stainless steel and aluminum construction
- Compact dimensions
- Weight only approximately 2.6 kg
- Minimal maintenance
- Optional carrying case and accessories
- Special oil-free configuration available on request
- Ideal for comparison pressure calibration
Pneumatic Pressure Generation up to 70 bar
The Additel ADT 917 covers an exceptionally broad pressure range for a portable manual pneumatic pump.
The generated pressure range extends from:
95% vacuum
to:
1,000 psi / 70 bar positive pressure.
This allows a single pressure pump to cover vacuum, low-pressure and medium-pressure pneumatic calibration applications.
The ADT 917 is therefore particularly useful for calibration laboratories, maintenance departments and field technicians working with different pressure ranges.
Typical devices under test include:
- Analog pressure gauges
- Digital pressure gauges
- Vacuum gauges
- Compound pressure gauges
- Pressure transmitters
- Pressure sensors
- Pressure switches
- Pneumatic process instruments
- Pressure indicators
The wide pneumatic range can reduce the number of separate pressure generation devices required at a calibration workstation.
Vacuum Generation up to 95%
The Additel ADT 917 is not limited to positive pressure generation.
It can also generate up to:
95% vacuum.
This allows vacuum and compound pressure instruments to be calibrated using the same manual pressure source.
Typical applications include:
- Vacuum gauges
- Compound pressure gauges
- Vacuum transmitters
- Vacuum switches
- Pressure sensors
The combination of vacuum generation and positive pressure up to 70 bar provides considerable flexibility for professional pressure calibration.
Fine Adjustment Down to 10 Pa
Accurate pressure calibration requires precise control of the generated pressure.
The Additel ADT 917 incorporates a high-quality screw press for fine pressure adjustment.
Additel specifies an adjustment resolution of:
10 Pa
or:
0.1 mbar.
The operator first approaches the required pressure using the main pressure generation mechanism. The screw press can then be used to precisely adjust the final calibration point.
This combination of efficient pressure generation and fine adjustment makes the ADT 917 suitable for use with high-resolution reference pressure instruments.
Excellent Pressure Stability
Once the desired calibration point has been reached, stable pressure is essential for comparing the reference instrument with the device under test.
The Additel ADT 917 therefore incorporates a specially designed shut-off valve.
This valve helps make the pressure as stable as possible during calibration.
Stable pressure is particularly important when calibrating:
- High-resolution digital pressure gauges
- Precision pressure indicators
- Pressure transmitters
- Pressure sensors
- Pressure switches
After the pressure has been adjusted, sufficient stabilization time should be allowed before recording the reference and device-under-test values.
Easy Manual Pressure Generation
The Additel ADT 917 is designed for straightforward manual operation.
Pressure is generated directly using the operating lever.
No external high-pressure valve is required for normal pressure generation.
This provides a simple operating sequence:
Generate the approximate pressure with the lever.
Approach the required calibration point.
Use the precision screw press for fine adjustment.
Allow the pressure to stabilize.
Compare the reference instrument with the device under test.
The straightforward operating principle makes the pump suitable for both laboratory and field calibration.
Air as Pressure Medium
The Additel ADT 917 uses:
air
as its pressure medium.
No hydraulic oil is required during standard operation.
This is particularly useful when calibrating pneumatic pressure instruments that should not be exposed to hydraulic fluids.
The use of air also simplifies everyday handling and reduces the maintenance associated with hydraulic pressure media.
For applications requiring a dedicated oil-free configuration, Additel recommends contacting the manufacturer. The ADT 917 can be specially ordered for appropriate oil-free applications.
Integrated Gas-Liquid Isolator
Pressure instruments used in industrial processes can contain moisture or contamination.
The Additel ADT 917 therefore incorporates a built-in:
gas-liquid isolator.
The isolator helps protect the internal pump mechanism against moisture and dirt from connected instruments.
This protection contributes to the durable design of the pump and helps reduce maintenance requirements.
For professional calibration laboratories handling devices from different industrial environments, this provides an important practical advantage.
Hand-Tight Quick Connectors
Two hand-tight quick connectors are installed on the Additel ADT 917.
One connection is used for the:
reference pressure gauge
and the second connection is used for the:
device under test.
Compatible instruments can be connected without PTFE tape or conventional wrenches.
This simplifies instrument changes and can significantly reduce setup time when several devices are calibrated consecutively.
The connection concept is particularly useful for professional calibration laboratories and service technicians.
Multiple Pressure Port Options
The Additel ADT 917 is available with several pressure connection configurations.
Available options include:
- 1/4 NPT female
- 1/2 NPT female
- 1/4 BSP female
- 1/2 BSP female
- M20 × 1.5 female
This allows the pump to be configured for common international pressure connection standards.
Additional adapter and fitting sets are available for instruments with different pressure connections.
Professional Comparison Calibration
The Additel ADT 917 is designed as a professional comparison test pump.
A typical calibration setup consists of:
Additel ADT 917 + Reference Pressure Instrument + Device Under Test
The reference instrument and device under test are connected simultaneously to the two pressure ports.
The ADT 917 generates the required pressure.
The operator then uses the fine adjustment mechanism to precisely approach the required calibration point.
After sufficient stabilization, the indication of the device under test is compared with the traceable reference value.
This procedure can be repeated at several increasing and decreasing pressure points according to the applicable calibration procedure.
Pressure Gauge Calibration
The Additel ADT 917 is particularly suitable as a manual pneumatic pressure source for pressure gauge calibration.
Typical devices include:
- Mechanical pressure gauges
- Digital pressure gauges
- Vacuum gauges
- Compound pressure gauges
- Precision pressure indicators
The pump generates the pressure but does not itself provide the traceable reference pressure value.
For calibration, the ADT 917 is therefore combined with a suitable reference pressure instrument.
The achievable measurement uncertainty depends on the reference instrument, environmental conditions, pressure stability, calibration procedure and other contributions to the measurement uncertainty budget.
Pressure Transmitter Calibration
The Additel ADT 917 can also provide the pneumatic pressure source required for pressure transmitter calibration.
The ADT 917 generates the required input pressure while a suitable reference pressure instrument measures the actual pressure.
The electrical output of the transmitter can simultaneously be measured using a suitable process calibrator or precision multimeter.
For many industrial pressure transmitters, the standard output signal is:
4 to 20 mA.
Several pressure points can be generated to evaluate the relationship between applied pressure and electrical output.
Pressure Switch Testing
The Additel ADT 917 can also be used as the pressure source for testing pressure switches.
The pressure is gradually increased until the switch changes state.
The pressure can then be reduced until the switch resets.
Combined with a suitable reference instrument and electrical switch detector, this allows determination of:
- Switching pressure
- Reset pressure
- Switching hysteresis
The fine adjustment mechanism helps accurately approach the switching point.
Robust Construction
The Additel ADT 917 is designed for professional laboratory and field use.
The ram and adapters are manufactured from:
stainless steel.
The body combines:
stainless steel and aluminum.
Seal materials include:
Buna-N, PTFE and copper alloy.
This combination provides a durable construction while keeping the overall weight low enough for portable use.
Compact and Portable
Despite its maximum positive pressure of 70 bar, the Additel ADT 917 weighs only approximately:
5.7 lb / 2.6 kg.
The pump dimensions are approximately:
140 mm height
with a base measuring approximately:
315 × 198 mm.
The stable base provides a practical working platform while the relatively low weight makes transportation between calibration locations straightforward.
This makes the ADT 917 suitable for both stationary calibration laboratories and mobile field calibration.
No External Power Required
The Additel ADT 917 is completely manually operated.
It requires:
no electrical power
and:
no external compressed-air supply.
This independence is particularly useful for field calibration.
A technician can establish a complete manual pressure calibration setup using the ADT 917, a suitable reference instrument, the device under test and the required adapters.
Minimal Maintenance
The Additel ADT 917 is designed for minimal maintenance.
The integrated gas-liquid isolator protects the pump from moisture and dirt, while pneumatic operation avoids the need for hydraulic fluid during normal use.
Additel also offers a dedicated:
ADT 917-MK maintenance kit.
The maintenance kit includes replacement O-rings for servicing the pump.
Clean pressure connections, correct operation and proper storage help ensure reliable performance throughout the service life of the ADT 917.
Accessories for the Additel ADT 917
A range of accessories is available for the ADT 917.
These include:
- Additel ADT 102 adapter and fitting set
- Additel ADT 103 hand-tight adapter set
- Additel ADT 100-HTK-8K flexible hose test kit
- Additel 9904-917 carrying case
- Additel ADT 917-MK maintenance kit
The carrying case is designed to accommodate one ADT 917 pump and two pressure gauges.
The ADT 917 SET configuration includes the pump and carrying case.
Technical Highlights
| Feature | Additel ADT 917 |
|---|---|
| Device type | Pneumatic pressure test pump |
| Pressure medium | Air |
| Vacuum generation | Up to 95% vacuum |
| Positive pressure | Up to 1,000 psi / 70 bar |
| Adjustment resolution | 10 Pa / 0.1 mbar |
| Pressure generation | Manual lever |
| Fine adjustment | High-quality screw press |
| Shut-off valve | Yes |
| Gas-liquid isolator | Integrated |
| Instrument connections | 2 hand-tight quick connectors |
| Pressure port options | NPT, BSP or M20 × 1.5 |
| Ram and adapters | Stainless steel |
| Body | Stainless steel and aluminum |
| Seal materials | Buna-N, PTFE, copper alloy |
| Piston volume | 27 ml |
| Height | Approx. 140 mm |
| Base | Approx. 315 × 198 mm |
| Weight | Approx. 2.6 kg |
| Oil-free configuration | Available by special order |
| External pressure source | Not required |
| Electrical power | Not required |
| Warranty | 1 year |
Additel ADT 917 vs. Additel ADT 916A
The Additel ADT 917 and Additel ADT 916A are manual pneumatic pressure test pumps designed for professional comparison calibration.
The most important difference is the maximum positive pressure.
The Additel ADT 916A covers applications up to approximately:
600 psi / 40 bar.
The Additel ADT 917 extends the positive pressure capability to:
1,000 psi / 70 bar.
The ADT 917 therefore provides additional pressure range for instruments exceeding 40 bar while retaining pneumatic operation.
For users who need a manual air-operated pressure source covering vacuum through to 70 bar, the ADT 917 provides an especially broad working range.
Typical Applications
The Additel ADT 917 is suitable for:
- Pneumatic pressure calibration
- Vacuum calibration
- Pressure gauge calibration
- Digital pressure gauge calibration
- Compound pressure gauge calibration
- Pressure transmitter calibration
- Pressure sensor testing
- Pressure switch testing
- Comparison pressure calibration
- Laboratory calibration
- Field calibration
- Industrial maintenance
- Service applications
- Pneumatic test systems
- Research and development
Why Choose the Additel ADT 917?
The Additel ADT 917 combines an exceptionally broad pneumatic pressure range with precise adjustment, stable operation and portable construction.
Its pressure range from 95% vacuum to 1,000 psi / 70 bar allows one manual pump to cover a wide variety of pneumatic pressure calibration tasks.
A high-quality screw press provides fine adjustment down to 10 Pa / 0.1 mbar, while the specially designed shut-off valve helps maintain stable pressure during calibration.
The integrated gas-liquid isolator protects the pump against moisture and dirt, helping to reduce maintenance requirements.
Two hand-tight quick connectors simplify connection of the reference pressure instrument and device under test without requiring PTFE tape or conventional wrenches.
NPT, BSP and M20 × 1.5 versions provide compatibility with common international pressure connections.
At only approximately 2.6 kg, the pump remains highly portable despite its maximum positive pressure of 70 bar.
Because the ADT 917 is completely manually operated, no electrical power or external compressed-air source is required.
At europascal, we provide Additel pressure generation and calibration equipment for professional laboratory, industrial and field applications. Our portfolio includes pneumatic and hydraulic pressure pumps, digital pressure gauges, pressure calibrators, pressure modules and automated pressure calibration solutions.
For professional calibration and metrological traceability of pressure measuring instruments, visit the europascal Calibration Service.
Further Additel products are available from europascal.
Manufacturer information about the Additel ADT 917 is available on the official Additel website.
