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M300 pH

(Single-channel Version, IP65 Protection Rating)
The new M300 transmitter for pH/ORP measurements combines robustness with ease of use. Its versatility and solid measurement performance makes it the ideal choice for light industrial applications. The M300 transmitter is designed for comfortable operation: from the large display to the easily accessible wiring terminals to the plain text interface and quick setup menu.
With its innovative USB port, the M300 is open to the future – for remote configuration, data logging or software upgrade. M300 transmitters are alsoavailable as dual-channel versions.
  • A user-friendly and sophisticated “Quick Setup” routine guides you through the first settings.
  • PID controller with pulse length, pulse frequency or analog control.
  • Multi-level password protection against accidental parameter changes.
Measured units pH, mV and temperature
Power supply 100...240 V AC, or 20...30 V DC
Protection 1/4DIN: NEMA 4 X IP65 (front) IP20 (housing); 1/2DIN: NEMA 4X, IP65
Current output 0/4 to 20 mA, 22 mA alarm
Relays 2-SPDT mechanical rated at 250 VAC, 3 Amps; 2-Reed rated at 250 VAC or DC, 0.5 Amp switching
Temperature inputs Pt1000 (Pt100 with adapter)
Mounting options 1/4DIN: panel mounting; 1/2DIN: wall mounting
Sensor inputs pH or mV
Service Interface USB port, type B
Accuracy ±0.03 pH; ±2 mV
pH-range -1...15
mV-range -1500...+1500