Product Code: CHAMTX3297EX
In Stock
The MTX 3297Ex is a digital multimeter with a Zone 0 classification which complies with European directive 2014/34/UE on explosive (Ex) atmospheres. The MTX 3297Ex fulfils all the requirements related to the operating constraints in sectors such as:
• MTX 3297 delivered fitted with 4 EX-qualified 1.5V lithium batteries
• 1 set of 2 x 1.5m straight cables and CAT IV 1kV test probes
• Quick Start Guide on paper in 18 languages with QR code to download the User’s Manual
• ATEX safety manual on paper
Type of atmosphere presence | Gas/Vapour Zone | Dust Zone | Instrument Categories |
…permanently or for long periods in normal operation | 0 | 20 | 1 |
…occasionally in normal operation | 1 | 21 | 1,2 |
…accidentally, in the event of dysfunction or for a short time | 2 | 22 | 1,2,3 |
It meets the needs of electrical maintenance teams: tests and troubleshooting inside and outside any hazardous zones with explosive atmospheres, without sacrificing compliance or measurement performance.
Usable outside Ex zones (out of operation), whatever the industrial activity, the MTX 3297Ex is a communicating instrument offering optimum industrial performance. It is possible to record the measurements on a PC by means of the SX-DMM software available for download from the Chauvin Arnoux website free of charge.
Ex certification has been adopted by the countries in the European Union and several other European countries.
IEC Ex certification, developed by the International Electrotechnical Commission (IEC), aims to harmonize and simplify the certification of equipment for hazardous zones worldwide.
• Voltage
• Current
• Resistance (continuity, semiconductor junction)
• Capacitance
• Frequency (duty cycle/pulse width)
• Temperature
• AC/DC current measurement with selection of the I/O ratio
Specific measurements:
• VLowZ low-impedance voltage measurement in the presence of "stray" disturbance voltages.
• Low-pass filter for measuring the PWM signal
Functions to help with analysis and diagnostics
• Min, MAX, Peak+ and Peak- functions
• ∆X differential and ∆X/X relative functions
• Duty cycle and pulse width
Additional specifications
• Designed and manufactured in France
• 3-year warranty
Outside explosive zones, the MTX 3297Ex is a high-performance industrial multimeter compliant with the IEC 61010-2-033 standard for work on 1000 V CAT III / 600 V CAT IV electrical installations.
High performance for reliable, accurate measurements whatever the type, shape and amplitude of the signal
• TRMS AC+DC acquisition
• 60,000-count resolution
• 100 MHz bandwidth
• 1 μV resolution for voltage, 0.01 μA resolution for current
• Min, MAX, Peak+ and Peak- functions
• ΔX differential and ΔX /X relative functions
• Low-pass filter for measurement on PWM signals
• VLowZ low-impedance DC voltage in the presence of disturbance voltages
When used with the SX-DMM software for PC, the isolated optical communication allows realtime processing of the data, remote control of the MTX 3297Ex, upgrading and maintenance.
With currently only 2 serious contenders in the ATEX multimeter category, we compare those two key machines side by side.
Fluke 28 II Ex | CA MTX 3297Ex | |
Aquisition | AC TRMS / DC | AC+DC TRMS / AC TRMS/ DC |
Display | 6,000 cts, backlit 20,000 cts (HR mode) |
2x60,000 ct, backlit Bar graph with central zero mode |
AC & AC+DC voltage Max. Calibre | 1,000V AC | 1,000V AC |
Best Resolution | 0.1mV | 0.001mV |
Uncertainty | 0.7% + 4 cts | 0.5% + 0.3 pts |
Vlowz | Yes | Yes |
DC voltage Mx. calibre | 1,000V DC | 1,000V AC |
Best Resolution | 0.1mV | 0.001mV |
Uncertainty | 0.05% + 1 ct | 0.5% + 0.3 pts |
AC & AC+ DC current Max. calibre | 10A | 10A (20A) |
Best resolution | 0.1μA | 0.01μA |
Uncertainty | 1% + 2 cts | 1% + 25 cts |
DC current Max. calibre | 10A | 10A (20A) |
Best resolution | 0.1μA | 0.01μA |
Uncertainty | 0.2% + 4 cts | 0.8% + 20 cts |
Current with clamp | - | Yes |
Resistance Max. calibre | 50MΩ | 60MΩ |
Best resolution | 0.1Ω | 0.01Ω |
Uncertainty | 0.2% + 1 ct | 0.2% + 20 cts |
Conductance | Yes | Yes |
Diode test Range | 2V | 3V |
Uncertainty | 2% + 1 ct | 1% + 30 cts |
Duty cycle / Pulse width | Y/N | Y/Y |
Capacitance Range | 10 nF .. 9 999 μF (≈ 10 mF) | 0,100 nF .. 60,00 mF |
Uncertainty | 1% + 2 cts | 3% + 5 pts |
Frequency Range | 0.5 Hz .. 199.99 kHz | 10,00 Hz .. 200 kHz |
Uncertainty | 0.005% + 1 ct | 0,1% + 1 pt |
Temperature Range | -200.0°C .. + 1090.0°C | -200°C .. + 800°C |
Uncertainty | 1% + 10 cts | 1% + 1,5 °C |
Min/MAX/Peak+/Peak- | Y/Y/Y/N | Y/Y/Y/Y |
dBm | - | Yes |
Resistive power (U²/R) | - | Yes |
Communication | - | Optical/USB |
Power supply /Battery life | 3 x 1.5V AAA / 400 h | 4 x 1.5V AAA / 350 h |
Warranty | 3 Years | |
Electrical Safety | 1000V CAT III / 600V CAT IV | |
Ingress Protection | IP67 |
UK Mainland | Order by 2pm for Next Day Delivery* |
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Under £25.00 | £4.50 |
Over £25.00 | FREE |
UK Highlands & Islands | Order by 2pm for Next Day Delivery* |
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Under £80.00 | £15.00 |
Over £80.00 | FREE |