Monitran MTN/2285 4-20 mA Vibration Speed Transmitter

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Manufacturer: Monitran
Category: Accelerometers and Vibration Sensors, Amplified, SENSORS

The Monitran MTN/2285 is a general-purpose speed transducer with a standard industrial 4-20 mA two-wire output, proportional to the RMS speed (mm/s) and sensor range, which connects directly to PLCs, DCSs, and other industrial controllers. It is powered by 12-32 V DC, has a frequency response of 2 Hz to 1 kHz ±10%, and a transient sensitivity of less than 5%. The internal electronics are housed in a Faraday cage and isolated from the body to minimize noise.

The series comprises five variants with stainless steel housings: MTN/2285-2P (2-pin MS connector), MTN/2285-4P (4-pin M12 connector), MTN/2285C (integrated ETFE cable with stainless steel overbraid), MTN/2285W (submersible, IP68, integral polyurethane cable), and MTN/2285STC (side outlet with 10 mV/°C temperature output, IP65). Guemisa is an official distributor of Monitran in Spain.

Key points

4-20 mA output proportional to RMS speed, with optional speeds of 0-10, 0-20, 0-25, 0-50 and 0-100 mm/s
Dynamic range of 50 g peak, temperature sensitivity of 0.08%/°C and operating temperature of -25 to 90 °C
Five variants: 2-pin MS connector, 4-pin M12 connector, integral cable, IP68 submersible (5 m max., 0.5 bar) and STC with 10 mV/°C temperature output

Technical Frequently Asked Questions

What output does the Monitran MTN/2285 have and what speeds does it support?

4-20 mA DC two-wire output proportional to the rms speed (mm/s) and the sensor range, with optional speeds of 0-10, 0-20, 0-25, 0-50 and 0-100 mm/s, powered by 12-32 V DC.

Which variant of the MTN/2285 can be submerged?

The MTN/2285W: IP68 sealed, integral polyurethane cable up to 100 m, immersion depth of 5 m max. (0.5 bar). The rest are IP67 (MTN/2285-2P, -4P and C) or IP65 (MTN/2285STC).

Which variant also measures temperature?

The MTN/2285STC, with side output: in addition to the 4-20 mA output proportional to the RMS speed, it delivers a temperature output of 10 mV/°C; its frequency response is 2 Hz to 800 Hz ±10%.

Properties

Feature	Specification
Measure and signal
Exit	4-20 mA DC proportional to the rms speed (mm/s), two-wire
Measurement ranges	0-10, 0-20, 0-25, 0-50 and 0-100 mm/s rms (optional speed xx)
Temperature output (MTN/2285STC)	10 mV/°C
Frequency response	2 Hz to 1 kHz ±10% (MTN/2285STC: 2 Hz to 800 Hz ±10%)
Mounted base resonance	5 kHz (nominal) (MTN/2285-2P, MTN/2285W and MTN/2285STC); 18 kHz (nominal) (MTN/2285-4P and MTN/2285C)
Dynamic range	50g peak
Cross-sectional sensitivity	Less than 5%
Temperature sensitivity	0.08%/°C
Isolation	Electronics in a Faraday cage, isolated from the body
Food and environment
Feeding	12-32 V DC (4-20 mA)
Operating temperature	-25 to 90 °C
Sealed	IP67 (MTN/2285-2P, MTN/2285-4P and MTN/2285C); IP68 (MTN/2285W); IP65 (MTN/2285STC)
Immersion depth (MTN/2285W)	5 m max. (0.5 bar)
Housing material	Stainless steel
Mechanics and connection
Connection (MTN/2285-2P)	2-pin MS connector; MTN/MH002 mating connector
Connection (MTN/2285-4P)	M12 4-pin connector; MTN/MH008 mating connector
Connection (MTN/2285C)	ETFE integral cable with stainless steel overbraiding; standard length 5 m, maximum 100 m
Connection (MTN/2285W)	Integral polyurethane cable, length to be specified in the order; maximum length 100 m
Connection (MTN/2285STC)	ETFE integral cable with stainless steel overbraiding, length to be specified in the order; standard length 5 m, maximum 100 m
Mounting	¼" UNF female or Q/F female (MTN/2285STC: ¼" UNF female, M6 x 35 mm or M8 x 28 mm)
Tightening torque	8 Nm
Dimensions (according to plan)	Ø27.0mm; 28 mm between faces; height 57.0 mm (MTN/2285-2P and MTN/2285-4P), 43.0 mm (MTN/2285C, without cable), 75.0 mm (MTN/2285W, without cable)
Weight	140g (MTN/2285-2P, MTN/2285-4P and MTN/2285C); 150g (MTN/2285W); 440g (MTN/2285STC) (nominal)

Reference	Configuration
MTN/2285-2P-xx MTN22852PXX	Variant: MTN/2285-2P · Mounting: ¼" UNF female · xx = optional speed (0-10, 0-20, 0-25, 0-50 or 0-100 mm/s rms) · 2-pin MS connector MTN/2285-2P technical sheet (PDF)
MTN/2285-4P-xx MTN22854PXX	Variant: MTN/2285-4P · Mounting: ¼" UNF female · xx = optional speed (0-10, 0-20, 0-25, 0-50 or 0-100 mm/s rms) · 4-pin M12 connector MTN/2285-4P technical sheet (PDF)
MTN/2285C-xx MTN2285CXX	Variant: MTN/2285C · Mounting: ¼" UNF female · xx = optional speed (0-10, 0-20, 0-25, 0-50 or 0-100 mm/s rms) · Integral ETFE cable Technical data sheet MTN/2285C (PDF)
MTN/2285CQ-xx MTN2285CQXX	Variant: MTN/2285C · Mounting: Q/F female · xx = optional speed (0-10, 0-20, 0-25, 0-50 or 0-100 mm/s rms) · Integral ETFE cable Technical data sheet MTN/2285C (PDF)
MTN/2285Q-2P-xx MTN2285Q2PXX	Variant: MTN/2285-2P · Mounting: Q/F female · xx = optional speed (0-10, 0-20, 0-25, 0-50 or 0-100 mm/s rms) · 2-pin MS connector MTN/2285-2P technical sheet (PDF)
MTN/2285Q-4P-xx MTN2285Q4PXX	Variant: MTN/2285-4P · Mounting: Q/F female · xx = optional speed (0-10, 0-20, 0-25, 0-50 or 0-100 mm/s rms) · 4-pin M12 connector MTN/2285-4P technical sheet (PDF)
MTN/2285STC-xx MTN2285STCXX	Variant: MTN/2285STC · Mounting: ¼" UNF female · xx = optional speed (0-10, 0-20, 0-25, 0-50 or 0-100 mm/s rms) · Integral ETFE cable MTN/2285STC technical sheet (PDF) MTN/2285STC technical sheet (PDF) MTN/2285STC technical sheet (PDF)
MTN/2285W-xx MTN2285WXX	Variant: MTN/2285W · Mounting: ¼" UNF female · xx = optional speed (0-10, 0-20, 0-25, 0-50 or 0-100 mm/s rms) · Integral polyurethane cable MTN/2285W Technical Data Sheet (PDF)
MTN/2285WQ-xx MTN2285WQXX	Variant: MTN/2285W · Mounting: Q/F female · xx = optional speed (0-10, 0-20, 0-25, 0-50 or 0-100 mm/s rms) · Integral polyurethane cable MTN/2285W Technical Data Sheet (PDF)