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Additel Corporation is a leading global provider of pressure calibration tools. Industries look to Additel test tools and portable calibrators for high quality and handheld convenience. The company designs and manufactures automated pressure calibrators, digital pressure test gauges and calibrators, pressure test and calibration pumps, and other precision instruments that are pressure calibration staples in the field and in the lab. Transcat distributes a full range of the innovatively engineered and affordably priced products from Additel and offers ISO 17025 accredited pressure calibration services on all Additel gauges and calibrators. We also carry the company’s accessories that support pressure calibration and measurement solutions for industry.

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  1. Configurable!
    Additel ADT760
    Additel ADT 760 Series Pressure Calibrator
    Order #: ADT760
    Availability: In stock
    $6,995.00
  2. Additel ADT681-20-GP40K-PSI-AF
    Additel ADT681-20-GP40K-PSI-AF Digital Pressure Test Gauge 0-40K PSIG,1/4"HPF,0.2%FS
    Order #: ADT681-20-GP40K-PSI-AF
    Mfg #: ADT681-20-GP40K-PSI-AF
    Availability: Ships in 2-3 weeks
    Special Price $2,174.82 Regular Price $2,385.81
    Digital Pressure Test Gauge 0-40K PSIG,1/4"HPF,0.2%FS Learn More
  3. new
    Additel ADT901A-N Low Pressure Test Pump, -6PSI to 6PSI
    Additel ADT901A-N Low Pressure Test Pump -6PSI to 6PSI
    Order #: ADT901A-N
    Mfg #: ADT901A-N
    Availability: Item discontinued
    $1,689.03
    Low Pressure Test Pump -6PSI to 6PSI Learn More
  4. Additel ADT928 FOR RENT
    Additel ADT928 FOR RENT Hydraulic Pressure Test Pump 0to15000PSI,1/4NPTF
    Order #: ADT928-N-RENT1
    Mfg #: ADT928-N-RENT1
    Availability: In stock
    Call for price
    Hydraulic Pressure Test Pump 0to15000PSI,1/4NPTF Learn More
  5. New
    Additel AM1210-20-CJ Ref Type S Thermocouple,6mm dia x 500mm L, w/cold junc to wires
    Additel AM1210-20-CJ Ref Type S Thermocouple,6mm dia x 500mm L, w/cold junc to wires
    Order #: AM1210-20-CJ
    Mfg #: AM1210-20-CJ
    Availability: Ships in 3-4 weeks
    Special Price $6,492.30 Regular Price $7,122.15
    Ref Type S Thermocouple,6mm dia x 500mm L, w/cold junc to wires Learn More
  6. New
    Additel AM1210-20 Ref Type S Thermocouple, 6mm dia x500mm L, w/bare wire
    Additel AM1210-20 Ref Type S Thermocouple, 6mm dia x500mm L, w/bare wire
    Order #: AM1210-20
    Mfg #: AM1210-20
    Availability: Ships in 3-4 weeks
    Special Price $6,023.30 Regular Price $6,607.65
    Ref Type S Thermocouple, 6mm dia x500mm L, w/bare wire Learn More
  7. New
    Additel 9085 Ice Point Dewar, dimension OD 120 mm x ID 95 mm x H 300 mm
    Additel 9085 Ice Point Dewar, dimension OD 120 mm x ID 95 mm x H 300 mm
    Order #: 9085
    Mfg #: 9085
    Availability: Ships in 3-4 weeks
    Special Price $1,273.00 Regular Price $1,396.50
    Ice Point Dewar, dimension OD 120 mm x ID 95 mm x H 300 mm Learn More
  8. New
    Additel ADT110-850-INS-SHORT TC cal Kit, multi-hole insert for short immer, insul set
    Additel ADT110-850-INS-SHORT TC cal Kit, multi-hole insert for short immer, insul set
    Order #: ADT110-850-INS-SHORT
    Mfg #: ADT110-850-INS-SHORT
    Availability: Ships in 3-4 weeks
    Special Price $2,137.30 Regular Price $2,344.65
    TC cal Kit, multi-hole insert for short immer, insul set Learn More
  9. New
    Additel ADT110-850-INS-LONG TC calibration Kit, multi-hole ins for deep immer,insul set
    Additel ADT110-850-INS-LONG TC calibration Kit, multi-hole ins for deep immer,insul set
    Order #: ADT110-850-INS-LONG
    Mfg #: ADT110-850-INS-LONG
    Availability: Ships in 3-4 weeks
    Special Price $2,137.30 Regular Price $2,344.65
    TC calibration Kit, multi-hole ins for deep immer,insul set Learn More
  10. New
    Additel ADT110-850-CUP-SHORT TC calibration Kit, short immersion cup Ins,insulator set
    Additel ADT110-850-CUP-SHORT TC calibration Kit, short immersion cup Ins,insulator set
    Order #: ADT110-850-CUP-SHORT
    Mfg #: ADT110-850-CUP-SHORT
    Availability: Ships in 3-4 weeks
    Special Price $2,137.30 Regular Price $2,344.65
    TC calibration Kit, short immersion cup Ins,insulator set Learn More
  11. New
    Additel ADT110-850-CUP-LONG TC calibration Kit, long cup Insert, insulator set
    Additel ADT110-850-CUP-LONG TC calibration Kit, long cup Insert, insulator set
    Order #: ADT110-850-CUP-LONG
    Mfg #: ADT110-850-CUP-LONG
    Availability: Ships in 3-4 weeks
    Special Price $2,003.30 Regular Price $2,197.65
    TC calibration Kit, long cup Insert, insulator set Learn More
  12. New
    Additel ADT110-850-ALUM TC cal Kit, 26mm OD x 20mm ID x 630mm L alum tube, 20mm OD ins
    Additel ADT110-850-ALUM TC cal Kit, 26mm OD x 20mm ID x 630mm L alum tube, 20mm OD ins
    Order #: ADT110-850-ALUM
    Mfg #: ADT110-850-ALUM
    Availability: Ships in 3-4 weeks
    Special Price $1,065.30 Regular Price $1,168.65
    TC cal Kit, 26mm OD x 20mm ID x 630mm L alum tube, 20mm OD ins Learn More
  13. New
    Additel ADT850-1200-NO Lab Thermocouple Cal Furnace, 300C to 1200C, No Insert, 220V
    Additel ADT850-1200-NO Lab Thermocouple Cal Furnace, 300C to 1200C, No Insert, 220V
    Order #: ADT850-1200-NO
    Mfg #: ADT850-1200-NO
    Availability: Ships in 3-4 weeks
    Special Price $20,100.00 Regular Price $22,050.00
    Lab Thermocouple Cal Furnace, 300C to 1200C, No Insert, 220V Learn More
  14. New
    Additel ADT850-1200-CUPL Lab Thermocouple Cal Furnace, TC cal kit,deep cup style, 220V
    Additel ADT850-1200-CUPL Lab Thermocouple Cal Furnace, TC cal kit,deep cup style, 220V
    Order #: ADT850-1200-CUPL
    Mfg #: ADT850-1200-CUPL
    Availability: Ships in 3-4 weeks
    Special Price $22,103.30 Regular Price $24,247.65
    Lab Thermocouple Cal Furnace, TC cal kit,deep cup style, 220V Learn More
  15. New
    Additel ADT850-1200-ALUM Lab Thermocouple Cal Furnace, w/alumina tube TC cal kit, 220V
    Additel ADT850-1200-ALUM Lab Thermocouple Cal Furnace, w/alumina tube TC cal kit, 220V
    Order #: ADT850-1200-ALUM
    Mfg #: ADT850-1200-ALUM
    Availability: Ships in 3-4 weeks
    Special Price $21,165.30 Regular Price $23,218.65
    Lab Thermocouple Cal Furnace, w/alumina tube TC cal kit, 220V Learn More
  16. New
    Additel ADT878-TPW-KIT
    Additel ADT878-TPW-KIT Triple Point of Water Realization Kit for the ADT878-160
    Order #: ADT878-TPW-KIT
    Mfg #: ADT878-TPW-KIT
    Availability: Ships in 3-4 weeks
    Special Price $1,735.30 Regular Price $1,903.65
    Triple Point of Water Realization Kit for the ADT878-160 Learn More
  17. New
    Additel ADT878PC-700-NO-220V Reference Dry Well Calibrator, 50-700C,No Ins,220V,Pro Cal Opt
    Additel ADT878PC-700-NO-220V Reference Dry Well Calibrator, 50-700C,No Ins,220V,Pro Cal Opt
    Order #: ADT878PC-700-NO-220V
    Mfg #: ADT878PC-700-NO-220V
    Availability: Ships in 3-4 weeks
    Special Price $17,822.00 Regular Price $19,551.00
    Reference Dry Well Calibrator, 50-700C,No Ins,220V,Pro Cal Opt Learn More
  18. New
    Additel ADT878PC-700-NO-110V Reference Dry Well Calibrator, 50-700C,No Ins,110V,Pro Cal Opt
    Additel ADT878PC-700-NO-110V Reference Dry Well Calibrator, 50-700C,No Ins,110V,Pro Cal Opt
    Order #: ADT878PC-700-NO-110V
    Mfg #: ADT878PC-700-NO-110V
    Availability: Ships in 3-4 weeks
    Special Price $17,822.00 Regular Price $19,551.00
    Reference Dry Well Calibrator, 50-700C,No Ins,110V,Pro Cal Opt Learn More
  19. New
    Additel ADT878PC-700-H-220V Reference Dry Well Calibrator, 50-700C,Ins H,220V,Pro Cal Opt
    Additel ADT878PC-700-H-220V Reference Dry Well Calibrator, 50-700C,Ins H,220V,Pro Cal Opt
    Order #: ADT878PC-700-H-220V
    Mfg #: ADT878PC-700-H-220V
    Availability: Ships in 3-4 weeks
    Special Price $18,753.30 Regular Price $20,572.65
    Reference Dry Well Calibrator, 50-700C,Ins H,220V,Pro Cal Opt Learn More
  20. New
    Additel ADT878PC-700-H-110V Reference Dry Well Calibrator, 50-700C,Ins H,110V,Pro Cal Opt
    Additel ADT878PC-700-H-110V Reference Dry Well Calibrator, 50-700C,Ins H,110V,Pro Cal Opt
    Order #: ADT878PC-700-H-110V
    Mfg #: ADT878PC-700-H-110V
    Availability: Ships in 3-4 weeks
    Special Price $18,753.30 Regular Price $20,572.65
    Reference Dry Well Calibrator, 50-700C,Ins H,110V,Pro Cal Opt Learn More
  21. New
    Additel ADT878PC-700-G-220V Reference Dry Well Calibrator, 50-700C,Ins G,220V,Pro Cal Opt
    Additel ADT878PC-700-G-220V Reference Dry Well Calibrator, 50-700C,Ins G,220V,Pro Cal Opt
    Order #: ADT878PC-700-G-220V
    Mfg #: ADT878PC-700-G-220V
    Availability: Ships in 3-4 weeks
    Special Price $18,753.30 Regular Price $20,572.65
    Reference Dry Well Calibrator, 50-700C,Ins G,220V,Pro Cal Opt Learn More
  22. New
    Additel ADT878PC-700-G-110V Reference Dry Well Calibrator, 50-700C,Ins G,110V,Pro Cal Opt
    Additel ADT878PC-700-G-110V Reference Dry Well Calibrator, 50-700C,Ins G,110V,Pro Cal Opt
    Order #: ADT878PC-700-G-110V
    Mfg #: ADT878PC-700-G-110V
    Availability: Ships in 3-4 weeks
    Special Price $18,753.30 Regular Price $20,572.65
    Reference Dry Well Calibrator, 50-700C,Ins G,110V,Pro Cal Opt Learn More
  23. New
    Additel ADT878PC-700-F-220V Reference Dry Well Calibrator, 50-700C,Ins F,220V,Pro Cal Opt
    Additel ADT878PC-700-F-220V Reference Dry Well Calibrator, 50-700C,Ins F,220V,Pro Cal Opt
    Order #: ADT878PC-700-F-220V
    Mfg #: ADT878PC-700-F-220V
    Availability: Ships in 3-4 weeks
    Special Price $18,753.30 Regular Price $20,572.65
    Reference Dry Well Calibrator, 50-700C,Ins F,220V,Pro Cal Opt Learn More
  24. New
    Additel ADT878PC-700-F-110V Reference Dry Well Calibrator, 50-700C,Ins F,110V,Pro Cal Opt
    Additel ADT878PC-700-F-110V Reference Dry Well Calibrator, 50-700C,Ins F,110V,Pro Cal Opt
    Order #: ADT878PC-700-F-110V
    Mfg #: ADT878PC-700-F-110V
    Availability: Ships in 3-4 weeks
    Special Price $18,753.30 Regular Price $20,572.65
    Reference Dry Well Calibrator, 50-700C,Ins F,110V,Pro Cal Opt Learn More
  25. New
    Additel ADT878PC-700-E-220V Reference Dry Well Calibrator, 50-700C,Ins E,220V,Pro Cal Opt
    Additel ADT878PC-700-E-220V Reference Dry Well Calibrator, 50-700C,Ins E,220V,Pro Cal Opt
    Order #: ADT878PC-700-E-220V
    Mfg #: ADT878PC-700-E-220V
    Availability: Ships in 3-4 weeks
    Special Price $18,753.30 Regular Price $20,572.65
    Reference Dry Well Calibrator, 50-700C,Ins E,220V,Pro Cal Opt Learn More
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