Accelerometers and velocimeters

MTN 2285-2 Р /4 Р / С

General purpose, top-entry velocity transducer with DC output. Made from robust stainless steel throughout for continuous vibration monitoring in harsh environments. Internal electronics are enclosed in a Faraday cage and isolated to minimise noise.

Sealed to IP67 with industry standard two wire 4-20mA output proportional to sensor range that can connect directly to PLC, DCS and other industrial controllers.

Includes 2-pin MS connector, 4-pin M12 connector or stainless steel overbraided ETFE cable and is available with a wide range of mountings.

Air handling units
Building services
Fans

Specification MTN 2285

Parameter	Value
Output current	4-20mA DC proportional to rms velocity (mm/s)
Frequency response	2Hz to 1kHz ±10%
V elocities	0 - 25 mm/s ±10% Optional velocity 0 – 10 mm/s ; ±10% 0 – 20 mm/s ; ±10% 0 – 50 mm/s ; ±10% 0 – 100 mm/s ; ±10%
Dynamic range	50g peak
Mounted base resonance	18kHz (nominal)
Operating temperature	-25°C ~ 90°C
Temperature sensitivity	0,08%/ ° C
Transverse sensitivity	Less than 5%
Supply voltage	12-32V DC (for 4-20mA)
Isolation	Electronics in Faraday cage, isolated from body
Case material	Stainless steel
Sealing	IP67
Weight	140g (nominal)
Mounting torque	8Nm
Mating connector	MTN / MH 008 (2285-2Р, 2285-4Р)
Cable	Integral stainless steel overbraided ETFE (2285С) Standard cable length 5 m Maximum cable length 100m

MTN 1187/1187 С

General purpose, top-entry accelerometer with DC output proportional to acceleration. Made from robust stainless steel throughout for continuous vibration monitoring in harsh environments.

Sealed to IP67 with industry standard two wire 4-20mA output proportional to sensor range that can connect directly to PLC, DCS and other industrial controllers.

Includes 3-pin 62GB connector or integral stainless steel overbraided ETFE cable and is available with a wide range of mountings.

Centrifuges
Building services
Pumps and fans

Specification MTN 1187

Parameter	Value
Output current	4-20mA DC proportional to rms acceleration (g rms)
Frequency response	2Hz to 1kHz ±10%
A cceleration s	0 – 1 g rms ; Optional : 0 – 2 g rms ; 0 – 5 g rms ; 0 – 10 g rms ; 0 – 20 g rms .
Dynamic range	50g peak
Mounted base resonance	5kHz (nominal)
Operating temperature	-25 to 90°C
Temperature sensitivity	0,08%/ ° C
Transverse sensitivity	Less than 5%
Supply voltage	12-32V DC (4-20mA)
Isolation	Base isolated
Case material	Stainless steel
Sealing	IP67
Weight	150g (nominal)
Mounting torque	8Nm
Mating connector	MTN / MH00 8 (1187)
Cable	Integral stainless steel overbraided ETFE (1187 С ) Standard cable length 5m Maximum cable length 100m

MTN 1186 /1186С

Dual purpose, top-entry, accelerometer with 100mV/g AC and 4-20mA DC outputs. Made from robust stainless steel throughout for long term vibration analysis in harsh environments. Sealed to IP67 and includes 62GB 3-pin connector ( MTN 1186) or integral stainless overbraided ETFE cable (MTN 1186 С ). Available with a wide range of mountings.

Air handling units
Building services
Fans, pumps

Specification MTN 1186

Parameter	Value
Current Output	4-20mA DC proportional to RMS velocity (mm/s)
AC Output	AC voltage proportional to acceleration (g)
Frequency Response	2 Hz to 1 kHz ± 10% for velocity output -3 dB at 0.8 Hz for AC output
Measurement Range	0 – 10 mm/sec RMS ±10% 0 – 20 mm/sec RMS ±10% 0 – 25 mm/sec RMS ±10% 0 – 50 mm/sec RMS ±10% 0 – 100 mm/sec RMS±10%	100mV/g 100 mV/g 100 mV/g 50 mV/g 50 mV/g
Dynamic Range	30g peak for 100mV/g: 60g peak for 50mV/g
Mounted Resonance	5 kHz min
Bias Voltage (AC output)	3 Volts
Operating Temp Range	-25°C ~ 90°C
Temperature Sensitivity	0,08%/ ° C
Transverse Sensitivity	Less than 5%
Supply Voltage	12-32 Volts DC (4-20 mA)
Isolation	Base isolated
Case Material	Stainless steel
Sealing	IP67
Weight	150 gms (nominal)
Mounting Torque	8 Nm
Mating Connector	MTN / MN008 (1186)
Standard Cable	5 metres armoured PTFE (1186 С)

MTN 1185-2Р

General purpose, top-entry, velocity transducer with DC output. Made from robust stainless steel throughout for continuous vibration monitoring in harsh environments. Sealed to IP67 with industry standard two wire 4-20mA output proportional to sensor range that can connect directly to PLC, DCS and other industrial controllers. Includes integral 2-pin 62GB connector and is available with a wide range of mountings.

Air handling units
Building services
Fans

Specification MTN 1185

Parameter	Value
Output Current	4-20mA DC proportional to RMS velocity (mm/s)
Frequency Response	2 Hz to 1 kHz ±10 %
Velocity Range	0 – 10 mm/sec RMS ; ±10% 0 – 20 mm/sec RMS ; ±10% 0 – 25 mm/sec RMS ; ±10% 0 – 50 mm/sec RMS ; ±10% 0 – 100 mm/sec RMS ; ±10%
Dynamic Range	50 g peak
Mounted Resonance	5 kHz min
Operating Temp Range	-25 to 90 ºC
Temperature Sensitivity	0,08%/ ° C
Transverse Sensitivity	Less than 5%
Supply Voltage Range	12-32 Volts DC (4-20mA)
Isolation	Base isolated
Case Material	Stainless steel
Sealing	IP67
Weight	140 gms (nominal)
Mounting Torque	8 Nm
Mating Connector	MTN/MH002

MTN 1185W

Submersible, general purpose, top-entry velocity transducer with DC output. Made from robust stainless steel throughout for continuous vibration monitoring in harsh underwater environments and areas with constant moisture or condensation.

Sealed to IP68 with industry standard two-wire 4-20mA output proportional to sensor range that can connect directly to PLC, DCS and other industrial controllers.

Includes integral heavy duty polyurethane cable and is available with a wide range of mountings.

Submersible pumps, fans and compressors
Paper industry
Oil and mining

Specification MTN 1185W

Parameter	Value
Output current	4-20mA DC proportional to rms velocity (mm/s)
Frequency response	2Hz to 1kHz ±10 %
Velocity	0 – 10 mm/s rms ; ±10% 0 – 20 mm/s rms ; ±10% 0 – 25 mm/s rms ; ±10% 0 – 50 mm/s rms ; ±10% 0 – 100 mm/s rms ; ±10%
Dynamic range	50g peak
Mounted base resonance	5kHz (nominal)
Operating temperature	-25 to 90°C
Temperature sensitivity	0,08%/ ° C
Transverse sensitivity	Less than 5%
Supply voltage	12-32V DC (4-20mA)
Isolation	Base isolated
Cable	Integral polyurethane . Maximum cable length 100m
Case material	Stainless steel
Sealing	IP68
Submersible depth	100m max (10 bar)
Weight	150g (nominal)
Mounting torque	8Nm

MTN 1185IC

ATEX and IECEx Group I & II certified. General purpose, top-entry velocity transducer with DC output. Made from robust stainless steel throughout for continuous vibration monitoring in harsh industrial environments.

Sealed to IP67 with industry standard two-wire 4-20mA output proportional to sensor range that can connect directly to PLC, DCS and other industrial controllers.

Includes integral stainless overbraided ETFE cable and is available with a wide range of mountings.

Intrinsically safe data collector
Fans, compressors, pumps etc
Oil and mining

Specification MTN 1185IC

Parameter	Value
Output current	4‐20mA DC proportional to rms velocity (mm/s)
Frequency response	2Hz to 1kHz ±10%
Velocity range	0 – 10 mm/s rms ; ±10% 0 – 20 mm/s rms ; ±10% 0 – 25 mm/s rms ; ±10% 0 – 50 mm/s rms ; ±10% 0 – 100 mm/s rms ; ±10%
Dynamic range	50g peak
Mounted base resonance	5kHz (nominal)
Temperature range for	T6: ‐55°C ≤ Ta ≤ +65°C Group II ‐55°C ≤ Ta ≤ +115°C Group I
Temperature sensitivity	0,08%/ ° C
Transverse sensitivity	Less than 5%
Supply voltage	12‐32V DC (4‐20mA)
Isolation	Base isolated
Cable	Integral stainless steel overbraided ETFE Standard cable length 5m Maximum cable length See system drawing ATX009
Case material	Stainless steel
Sealing	IP67
Weight	150g (nominal)
Mounting torque	8Nm