Extech Instruments Corp.
Waltham, MA 02451 1020
May 06, 2008 Including Models EX612, EX613, EX622, and EX623, EX600 Series True RMS Clamp Meters feature IR thermometer for locating hot spots and NCV and dual thermocouple inputs for T1, T2, and T1-T2 differential temperature measurement. With 1.4 in. jaw opening for conductors up to 500 MCM, units provide 40,000 count clamp meter functions for dc voltage, resistance, capacitance and frequency, and can measure motor capacitors to 40,000 µF. Models EX613 and EX623 also provide dc current function.

B & K Precision Corp.
Yorba Linda, CA 92887
May 25, 2007 Hand-held, battery-powered Model 890B comes with pre-programmed capacitor tolerances of 1, 5, and 10% as well as dedicated chip and microprocessor for programmable high/low limits. Included 4.5 digit LCD can simultaneously display values and deviations from selected tolerances. Along with 11,000 count resolution, capacitance meter offers 9 automatically selected ranges with FS value from 1.0 pF to 50 mF. Optional software is available for PC-based data logging and monitoring.

Slaughter Company
Lake Forest, IL 60045
Mar 03, 2005 Used to test high-capacitance products such as manufactured and modular homes, model 1340 incorporates microprocessor control LED display, electronic ramp and dwell timers, and PLC remote control with safety interlock. Navigation menus allow users to set-up test parameters, and user-selectable pulse mode allows unit to continuously output 2.5 kV of ac test voltage with 10 mA of test current. Output automatically resets after detecting failure.

QuadTech, Inc.
Maynard, MA 01754
Jan 20, 2005 Equipped with LCD display, programmable limits, and voltage monitoring capabilities, Model 1855 is suited for automated production environment or bench-top testing. Unit, also able to measure rise time of electrolytic capacitors in single unit, features 500 mA charge current and 1–650 V programmable dc voltage source. It measures leakage current from 1 nA to 20 mA with basic measurement accuracy of 0.3%.

Brunelle Instruments Inc.
Saint Elie D'Orford Quebec J0B 2SO, CD   Canada
Mar 26, 2002 Hand-held Model 2606 offers measuring ranges of 0 to 1000 amps Ac/Dc, 0 to 1000 Vdc, 0 to 750 Vac (True RMS), resistance from 0 to 40 MOhm, capacitance range of 4 nF to 40 uF, and frequency from 100 Hz to 400 KHz. It also provides Continuity Test and Diode Test. 4000-count instrument, with impact-resistant case and electronic overload protection, is suited for use in field servicing, industrial maintenance, heating/refrigeration and power utilities.