Manufature:  Extech USA
Model:  MG300-ETK
MG300 Specifications Range Max Resolution
- Insulation Resistance 4MΩ, 40MΩ, 400MΩ, 4000MΩ 0.001MΩ
- Insulation Test Voltages 125V, 250V, 500V, 1000V
- AC/DC Voltage 1000V 0.1mV AC/ 0.01mV DC
- AC/DC Current 10A 0.1µA AC/ 0.01µA DC
- Resistance 40MΩ; 0.01Ω
- Capacitance 40mF; 0.001nF
- Frequency 100MHZ ;0.001HZ
- Duty Cycle 0.1 to 99.9% 0.01
- Temperature -58 to 2192°F (-50 to 1200°C) 0.1°
   4-20mA% -25 to 125% 0.01%
- Continuity/Diode Yes
Specifications MA430TTrue RMS Yes
- AC Current (max res.) 400A (0.001A) ; ±(2.5% + 8d)
- AC Voltage (max res.) 600V (0.1mV) ;±(1.5% + 5d)
- DC Voltage (max res.) 600V (0.1mV) ;±(1.5% + 2d)
 - Resistance (max res.) 20MΩ (0.1Ω) 40MΩ (0.1Ω); ±(1.5% + 2d)
- Diode/ Continuity Yes
- Dimensions/ Weight 7.8x2.8x1.6" (197x70x40mm)/ 6.5oz (183g
- Specifications 42509 - 12:1 Infrared Thermometer with high
/low alarm and fast 2-color display
- Laser Convergence Distance 30.5cm (12")
- Range -20 to 510°C (-4 to 950°F)
- Repeatability ±0.5% or 1.8°F/1°C
- Basic Accuracy ±(1% of rdg + 2°F/1°C)
- Max resolution 0.1°F/°C
- Emissivity 0.10 to 1.00 Adjustable
- Field of View (Distance to Target) 12:1
- Dimensions 5.7x4x1.6" (146x104x43mm)
- Weight 5.7oz(163g)
Warranty:    12 month