Extech Instruments 470 - Manual (Page 6)

V5.0 5/04 6
Function Range Resolution Accuracy
400 Ω 0.1Ω ±(0.8% reading + 4 digits)
4k Ω 0.001kΩ ±(0.8% reading + 2 digits)
40k Ω 0.01kΩ
400k Ω 0.1kΩ
4M Ω 0.001MΩ
±(1.0% reading + 2 digits)
Resistance
40M Ω 0.01MΩ ±(3.0% reading + 5 digits)
40nF 0.01nF ±(5.0% reading + 7 digits)
400nF 0.1nF ±(3.0% reading + 5 digits)
4 µF 0.001µF
40 µF 0.01µF
±(3.5% reading + 5 digits)
Capacitance
100 µF 0.1µF ±(5.0% reading + 5 digits)
5.000Hz 0.001Hz
50.00Hz 0.01Hz ±(1.5% reading + 5 digits)
500.0Hz 0.1Hz
5.000kHz 0.001kHz
50.00kHz 0.01kHz
500.0kHz 0.1kHz
±(1.2% reading + 2 digits)
5.000MHz 0.001MHz
10.00MHz 0.01MHz
±(1.5% reading + 4 digits)
Frequency
Sensitivity: 0.8V rms min. @ 20% to 80% duty cycle and <100kHz; 5Vrms
min @ 20% to 80% duty cycle and > 100kHz
.
0.1 to 99.9% 0.1% ±(1.2% reading + 2 digits) Duty Cycle
Pulse width: 100µs - 100ms, Frequency: 5Hz to 150kHz
-4 to 1382 °F 1°F Temp
(type-K)
-20 to 750 °C 1°C
±(3.0% reading + 3 digits)
(probe accuracy not included)
-58 to 518 °F 1°F Temp
(IR)
-50 to270 °C 1°C
±2.0% reading or ±2°C, ± 4 °F
Note: Accuracy specifications consist of two elements:
• (% reading) – This is the accuracy of the measurement circuit.
• (+ digits) – This is the accuracy of the analog to digital converter.