Download Print this page
Extech Instruments 407227 User Manual
Extech Instruments 407227 User Manual

Extech Instruments 407227 User Manual

Heavy duty ph, mv, & temperature meter

Advertisement

Quick Links

User's Guide
Heavy Duty pH, mV, & Temperature Meter
Model 407227
Measures pH, mV and Temperature
RS-232 PC Interface
o
o
C/
F switchable
Front panel Slope and Calibration adjustments
Introduction
Congratulations on your purchase of Extech's pH, mV, and Temperature Meter. This
professional meter, with proper care, will provide years of safe reliable service.
Shop for Extech products at:
ShopExtech
1.877.766.5412
.com

Advertisement

loading

Summary of Contents for Extech Instruments 407227

  • Page 1 User's Guide Heavy Duty pH, mV, & Temperature Meter Model 407227 • Measures pH, mV and Temperature • RS-232 PC Interface • F switchable • Front panel Slope and Calibration adjustments Introduction Congratulations on your purchase of Extech’s pH, mV, and Temperature Meter. This professional meter, with proper care, will provide years of safe reliable service.
  • Page 2: Specifications

    6. Calibration potentiometers 7. Temperature sensor input jack 8. LCD Contrast adjustment wheel 9. Protective rubber holster 10. Battery compartment and tilt stand (rear) ShopExtech Page 2 Model 407227 Ver. 2.1 Oct. 2002 1.877.766.5412 Shop for Extech products at: .com...
  • Page 3: Temperature Compensation

    3. Place the temperature probe and a mercury thermometer in water. 4. Adjust VR6 (inside the battery compartment, see diagram below) until the displayed value matches the mercury thermometer reading. Inside battery compartment ShopExtech Page 3 Model 407227 Ver. 2.1 Oct. 2002 1.877.766.5412 Shop for Extech products at: .com...
  • Page 4 4. Place the electrode in the test solution and read the millivolt (ORP) value. 5. Rinse the electrode with distilled water before storing. Note that calibration is not required for the ORP function. ShopExtech Page 4 Model 407227 Ver. 2.1 Oct. 2002 1.877.766.5412 Shop for Extech products at: .com...
  • Page 5: Advanced Features

    RS-232 Serial PC Interface The 407227 is equipped with an RS-232 serial data port. This interface was designed to operate with the Extech Data Acquisition Software (Part Number 407001). For detailed information contact your distributor or refer to the 407001 manual.
  • Page 6: Battery Replacement

    Warranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies on sensors and cables).