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Crabtree & Associates - Your Discount Dealer

High Technology for the Process Industry

Use these links to select different calibrator types/functions to view

Voltage Calibrators

Call, fax or e-mail us for detailed specification sheets on these models. We will be glad to send data to you via fax, mail or in Adobe Acrobat (*.pdf) format.

LC-100 e-mail us for detailed specs and discount pricing on this model
Precision Process Signal Calibrator
with Simultaneous Source and Read Capability
  • High accuracy of ±0.015%
  • High resolution of 0.001mA/0.001V
  • % Error Function eliminates manual error calculation
  • Extended Adjustment Range - digital knob and user-selectable decade output allow both large and incremental (0.001 mA step) output changes
  • Reads 0 to 28.0 VDC
  • Built-in 250 Ohm Resistor facilitates calibration of HART devices
  • Automatic Step and Ramp functions allow for Remote Calibrations
  • Loop Power Measurements
  • Simulates, Powers, and Measures Two-Wire Transmitters
  • Five Preset Outputs (4, 8, 12, 16, 20 mA)
  • Fuseless Input Protection up to 250 VAC
  • Includes Full Rubber Boot; Optional Carrying Case Available
  • Download Data Sheet (pdf)
Martel LCC-421 Voltage Calibrator
   
IVC222HPII e-mail us for detailed specs and discount pricing on this model
Voltage/Current Calibrator
  • Remarkable 0.015% of reading accuracy
  • Four ranges; 200 mV, 2 V, 20 V, and 24 mA
  • Built-in 24 volt supply can drive 4 to 20 mA loops over 1000 oh
  • Download Data Sheet (pdf)
 Martel IVC222HP Voltage Calibrator
MS-420 Current/Voltage Loop Calibrator e-mail us for detailed specs and discount pricing on this model
Single Function Voltage & Frequency Calibrators Made With the Technician in Mind
  • High Accuracy/Source and Read Capability
  • Rugged, Dust Tight, Water Resistant Case
  • Intuitive Controls make operation Easy even for infrequent user
  • No goofy, special batteries - 9v standard battery is used!
  • Download Data Sheet (pdf)
 Martel T110/T150 Single Function Calibrators

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Use the links at the top of this page to select different calibrator types/functions to view

480/947-9003 Voice

480/947-9638 Fax