The Chauvin Arnoux (Metrix) MTX 3297Ex is an intrinsically safe TRMS digital multimeter, purpose-built for use in explosive environments. It's certified for gas (IIC) and dust (IIIC) zones and M1 mining applications. With a 60,000-count display, TRMS AC+DC capability, and a 100 kHz bandwidth, it's a reliable choice for electrical measurements in hazardous Ex zones.
The MTX 3297Ex is an outstanding multimeter with approvals and certifications for the most critical risk levels. It meets stringent requirements and boasts an impressive IP67 rating, ensuring protection against liquids and dust, and the rugged casing provides shock protection.
This multimeter is designed for high-performance industrial use and adheres to the IEC 61010-2-033 standard, making it suitable for electrical work on 1000 V CAT III and 600 V CAT IV installations.
DC, AC and AC+DC Voltages | |
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DC voltage Measurement Range | 0.1 mV to 1000 V |
DC Accuracy | 0.05% |
AC, AC+DC Voltage Measurement Range | 0.1 mV to 1000 V |
AC, AC+DC basic accuracy | 0.5% - Bandwidth 100 kHz |
ATEX-Qualified Measurement Range | 0.1 mV to 65 V |
DC, AC, AC+DC Current | |
DC Current Measurement Range | 0.25 µA to 10 A |
DC Accuracy | 0.8% |
AC, AC+DC Current Measurement Range | 0.25 µA to 10 A |
AC, AC+DC Accuracy | 1 % - Bandwidth 20 kHz |
ATEX-Qualified Measurement Range | 0.25 µA to 5 A |
Frequency | |
Frequency Measurement Range | 0.1 Hz to 200 kHz |
Accuracy | 0.1% |
Resistance and Continuity | |
Resistance Measurement Range | 0.02 Ω to 60 MΩ |
Basic Accuracy | 0.2% |
Diode Test | |
Voltage Measurement Threshold/Accuracy | 3 V, resolution 0.1 mV / 1 % |
Capacitance | |
Capacitance Measurement Range | 1 nF to 60 mF |
Accuracy | 1 % |
Temperature with Pt100/Pt1000 | |
Temperature Measurement Range | -200 °C to +800 °C |
Accuracy/Resolution | 0.1 %/ 0.1 °C |
Other Functions | |
MAX/MIN /AVG or PEAK +/- | On all the main positions measured, PEAK 1 ms - SURV 100 ms |
DELTA REL | REL relative value + measured reference value on the secondary display |
PWM Filter | 300 Hz - 4th order low-pass filter for measurements on variable speed drive of asynchronous motor |
Clamp Function with V Output for Direct Reading | Integration of the ratio: 1/1,1/10,1/100,1/1000 mV/A |
Secondary Functions | dBm and resistive power VA, duty cycle +/-, and pulse width PW |
Central Zero | Automatic bar graph for VDC and IDC |
General | |
Type of Display | LCD with 3-level backlighting and digits 14 mm high, double 60,000-count display |
Power Supply | 4 qualified LITHIUM AA batteries - battery life 350 hours, a separate compartment |
Safety / EMC | Safety as per IEC 61010-2-033, 1000 V CAT III / 600 V CAT IV / EMC as per EN61326-1 class B |
Protection | 10A/1000V fuse |
Environment | Storage: -20 °C to +70 °C - Operation: -10 °C to +55 °C |
Dimensions (L x W x H) | 196mm x 90mm x 47.1mm |
Weight | 715g |
Chauvin Arnoux Warranty | 3 years |