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Extech
Extech EX520A Heavy-Duty True RMS Multimeter
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IP67 True RMS; ±0.09% VDC; CAT IV 600 V; LoZ/LPF. RFQ + selection help.
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Key parameters
True Rms
True RMS
Display Counts
6000
Basic Accuracy
+/-0.09% (VDC)
Dc Voltage
0.1 mV to 1000 V
Ac Voltage
1 mV to 1000 V
Current
0.1 uA to 10 A AC/DC
Fits harsh-environment industrial metering where you need an Extech EX520A IP67 True RMS multimeter with ±0.09% basic VDC accuracy, CAT IV 600 V, LoZ, and low-pass filter.
Key advantages
- Accuracy / display — ±0.09% VDC basic; 6000 counts; True RMS
- Ranges — DC/AC V to 1000 V; A to 10 A; Ω to 40 MΩ; capacitance to 99.99 mF; frequency to 10 MHz
- Temperature — Type K −45 to 760 °C (−50 to 1400 °F)
- Rugged — IP67; drop-proof 2 m (6.5 ft)
- Functions — LoZ; Low Pass Filter; Relative; bar graph; CAT IV-600 V
Typical applications
- Industrial maintenance in wet/dusty sites.
- VFD troubleshooting with LPF.
- CAT IV service entrance checks within rating.
Selection guide
- IP67 / drop — Harsh environment yes/no
- LoZ / LPF — Ghost voltage and VFD needs
- Safety — CAT IV-600 V vs CAT III tools
- Accessories — Leads, Type K probes
Common mistakes
- Using LoZ on circuits that cannot tolerate low impedance loading.
- Exceeding CAT IV 600 V limits.
- Confusing with lighter EX430A series.
When to RFQ / what to tell us
- Accessories; quantity; ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 23160 |
| Brand | Extech |
| Model | EX520A |
| Product type | Digital Multimeter |
| True RMS | True RMS |
| Display counts | 6000 |
| Basic accuracy | +/-0.09% (VDC) |
| DC voltage | 0.1 mV to 1000 V |
| AC voltage | 1 mV to 1000 V |
| Current | 0.1 uA to 10 A AC/DC |
| Resistance | 0.1 ohm to 40 Mohm |
| Capacitance | 0.01 nF to 99.99 mF |
| Frequency | 0.001 Hz to 10 MHz (electrical) |
| Temperature | -45 C to 760 C (-50 F to 1400 F) |
| Functions | LoZ; Low Pass Filter; Relative; Bar graph; Auto Power Off; Diode/Continuity |
| Ingress protection | IP67; drop-proof 2 m (6.5 ft) |
| Safety | CAT IV-600 V; 1000 V input protection on all functions |
| Family | Extech EX5xxA |
Documents
FAQ
Q: IP rating? A: IP67; drop-proof to 2 m.
Q: Basic accuracy? A: ±0.09% VDC.
Q: What should I send for a quote? A: Accessories, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| True Rms | True RMS |
| Display Counts | 6000 |
| Basic Accuracy | +/-0.09% (VDC) |
| Dc Voltage | 0.1 mV to 1000 V |
| Ac Voltage | 1 mV to 1000 V |
| Current | 0.1 uA to 10 A AC/DC |
| Resistance | 0.1 ohm to 40 Mohm |
| Capacitance | 0.01 nF to 99.99 mF |
| Frequency | 0.001 Hz to 10 MHz (electrical) |
| Temperature Type K | -45 C to 760 C (-50 F to 1400 F) |
| Functions | LoZ; Low Pass Filter; Relative; Bar graph; Auto Power Off; Diode/Continuity |
| Ingress Protection | IP67; drop-proof 2 m (6.5 ft) |
| Safety Category | CAT IV-600 V; 1000 V input protection on all functions |
| Form Factor | Heavy-duty handheld industrial multimeter |
| Family | Extech EX5xxA |