The Gossen Metrawatt M275P is the METRACAL CM PRO model in the METRACAL CM series, combining a multimeter and process calibrator in a single portable device. Designed for the precise measurement and simulation of electrical quantities, it is particularly well-suited for service, commissioning, maintenance, and calibration tasks in process measurement technology. Thanks to its dual-mode capability, measurement and calibration functions can be used simultaneously, allowing, for example, the simulation of an input signal and direct monitoring of the resulting output signal. The device supports voltage, current, resistance, frequency, and temperature measurements, among others, and enables the calibration of RTD and thermocouple sensors. Its functionality is further enhanced by an integrated data logger, individually storable test profiles, a robust housing with IP52 protection, and a Bluetooth interface for data transmission. The M275P is therefore a versatile solution for demanding calibration and testing tasks requiring high accuracy, portability, and flexible signal processing. Particularly noteworthy are the galvanic isolation of the measuring and calibration sections, the precise 2-, 3-, and 4-wire resistance and RTD measurements, and the ability to save frequently used settings directly in the device.
Product Features:
- Multimeter and process calibrator for measuring and simulating electrical quantities
- Model: METRACAL CM PRO, Item number M275P
- Dual mode for simultaneous simulation and measurement
- Measurement functions: V, mA, mA Loop, Ω, TempTC, TempRTD, Hz, CPM
- Calibration functions: V, mA (source), mA (sink), Ω, TempTC, TempRTD, Hz, CPM
- Suitable for 2-, 3-, and 4-wire resistance and RTD measurements
RTD Measurements
- Supported RTD Types: Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni1000
- Supported Thermocouple Types: K, L, N, R, S, T, U, XK, A, B, BP, C, E, J
- Frequency Generator from 0.1 Hz to 50 kHz
- Pulse Generator: 6 CPM to 3000 CPM
- DC Voltage Measurement up to ±31 V
- DC Current Measurement up to ±26 mA
- Resistance Measurement up to 4.1000 kΩ
- Calibration Signal Modes: Manual, Interval, Ramp, and Table
- Up to four individually adjustable Memory locations (C1 to C4)
- Integrated data logger with internal memory for approx. 300,000 readings
- Internal real-time clock with date and time stamp
- Integrated Bluetooth 4.2, USB via optional power adapter module
- 3.5-inch TFT color graphic display with 320 × 480 dots
- Display with analog bar graph and digital measurement display
- Resolution up to 90,000 digits
- Measurement rate up to 40 measurements per second
- Power supply via 3.7 V / 4000 mAh LiPo battery module
- Operating time approx. 10 to 20 hours, depending on the function
- Auto-off function with adjustable time from 10 to 59 minutes
- Protection class IP52
- Maximum voltage 30 V, maximum current 30 mA
- Housing made of impact-resistant ABS plastic
- Dimensions approx. 235 × 105 × 56 mm
- Weight approx. 0.7 kg with battery module
- 3-year warranty and DAkkS calibration certificate included
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