TM 5-684/NAVFAC MO-200/AFJMAN 32-1082
Table 15-1. Suggested list of minimum facility-wide field test equipment (continued)
Provides an infrared thermal measuring and imaging system with thermoelectric cool-
Infrared imager. . . . . . . . . . . . . . . . . . . . . . . . . .
ing. Temperature measurement range: 20 to 2,700 degrees F (minus 7 to 1,480 degrees
C). Color images can be displayed using standard video equipment. Has a 3.5inch (90-
millimeter) floppy disk drive and includes two battery packs and battery chargers, a 20
by 20 inch (500 by 500 millimeter) lens, a shoulder strap, and a high-temperature flame
Null balance earth
Megohmeter earth tester. Hand-cranked device for measuring resistance to earth ground
connections. Null balance principle eliminates probe resistance from measurements.
Four ranges from 0.01 to 9,990 ohms with digital readout. Self-contained and portable.
Provides true rms measurements for ac voltage and current to a crest factor of 3 (fre-
True rms clamp-on.
quency wave form distortions less than 2.5 hertz). Measures ac and dc current to 1,000
digital power meter
amperes at frequencies to 2,000 hertz. Has a
digit liquid crystal display (LCD) with
1.77 inch (45 millimeter) conductor jaw. Provides autoranging measurements, data hold
and peak hold, zero adjust, and a millivolt recorder output of current input, low battery
indication, a continuity check, a sampling time of 0.4 seconds and is complete with car-
rying case, test leads, alligator clips, wrist strap, and a 9-volt battery.