What products does Hirotronix supply?

Hirotronix supplies industrial automation sensors, machine safety systems, operator controls, level measurement systems, and automation components.

Where is Hirotronix located?

Hirotronix is located in Mississauga, Ontario, Canada.

Does Hirotronix provide worldwide service?

Yes, Hirotronix supplies automation and sensor solutions worldwide.

DOLD MH 9055 – Speed Monitor

Brand

DOLD

Part number

MH 9055

Order number

0065253

Speed Monitor

Protection of machines and products
Easy setting
Universal input, for configuration of different sensors (PNP, NPN, 2-wire, contact, voltage)
With fast reaction at low speed

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Price and lead time on request — add this part to your quote list and we will reply with pricing and availability.

Brand	DOLD
Housing width	45 mm
Output contacts	2 C/O contacts
Enclosure design	Switch cabinet
Order number	0065253

The speed monitors MK 9055N and MH 9055 monitors the rotational speed of motors. They recognise and monitor impulse signals of e. g. proximity sensors and protect machines and produced material or allows speed depending switching in production processes.

Features

According to IEC/EN 60255-1
Detection of high or low-rpm / stand still (adjustable function)
Large setting range 1 … 120.000 IPM or 0.15 … 20.000 Hz (10 ranges each)
As option with input for NAMUR-sensors with sensor and wire protection against interruption and short circuit
Adjustable hysteresis 0.5 … 50 %
Adjustable start up time delay 0 … 50 s, control with external contact
Adjustable monitoring time for missing input signal at function overfrequency; additional using as standstill level
Programmable via termminals:- Alarm delay of 0 … 100 s- with manual reset or auto reset
LED-indication for auxiliary voltage, measuring input and output relay; additional LED for indication of wire- / sensor failure at NAMUR-input
Auxiliary voltages AC 230 V and DC 24 V in one unit
2 changeover contacts, closed circuit operation
Open circuit operation on request
As option with analogue output, proportionally to speed
Device available with 2 response values and seperately controlled output relays for under- and overfrequency see MK 9055N/5_ _
MH 9055 with wide input range for auxiliary voltage (AC/DC 24 … 60 V or AC/DC 110 … 230 V)
2 possible compact designsMK 9055N: Width 22,5 mmMH 9055: Width 45 mm

Technical specifications

Auxiliary voltage	AC/DC
Classification	Drehzahlüberwachung
Enclosure design	Switch cabinet
Measuring range max.	120000 IPM
Output contacts	2 C/O contacts
Width	45 mm
Type	MH 9055

Available variants

Auxiliary voltage	AC/DC 24 – 60 V · AC/DC 110 – 230 V
Contact equipping	2 changeover contacts
Response value	1 – 120000 IPM
Approvals and Markings	UKCA
Variant	Universal input, for configuration of different sensors (PNP, NPN, 2-wire, contact, voltage). Start up delay adjustable logarithmically

Tell us the variant you need in your quote request.