Heavy Duty Rotary Potentiometer IPX-7900

Manufacturer: Novotechnik
Category: Displacement, Angular displacement sensor, SENSORS

Novotechnik IPX-7900 rotary potentiometer. Conductive plastic potentiometer with anodized aluminum housing and stainless steel shaft.

Conductive plastic rotary potentiometer with ratiometric output at Ub. Ø 79 mm. Electrical range 120°, 200° or 350°, 1 or 2 channels; independent linearity ≤ ±0.1% (200° and 350°). Double bearing, shaft load 300 N. IP67 with M12 connector, IP6K9K with cable; -40 … +105 °C.

Key points

Absolute potentiometric measurement; continuous mechanical travel
120°, 200° or 350°, in one or two channel versions
Life > 100 × 10⁶ moves; MTTF 429 years

Technical Frequently Asked Questions

What can be connected to the IPX-7900 rotary potentiometer?

It can be connected to Novotechnik M12 connectors and cables and Novotechnik rotary sensor couplings and accessories.

How do I order the IPX-7900 rotary potentiometer?

The order code has 7 fields: design/size, housing, shaft, channels, electrical angle, electrical version, and electrical connection. For example, IPX-7911-835-001-651 is the version with ø79 x 35 mm, housing centered on the shaft side, D13x12 mm steel shaft, redundant version, 350°, standard linearity, and two 4-pole M12 connectors. All order references with their corresponding part numbers are listed in the reference table on this page.

Under what conditions does the IPX-7900 rotary potentiometer operate?

Protection: IP67 with M12 connector output.

Properties

Feature	Specification
Extent
Mechanical tour	360°, continuous
Resistance tolerance	±15 %
Repeatability	0,002 % (0,007°)
Temperature coefficient of the output/applied voltage ratio	typ. 10 ppm/K
Exit sign	Ratiometric to Ub
Electrical data
Maximum permissible applied voltage	42 V
Recommended cursor current	< 1 µA
Maximum cursor current in case of failure	10 mA
Insulation resistance (500 VDC, 1 bar, 2 s)	> 100 MΩ
Dielectric strength (50 Hz, 2 s, 1 bar, 500 VAC)	≤ 1000 V RMS
Mechanical data
Housing	Anodized aluminum AlMgSi1, resistant to salt spray
Axis	Stainless steel (no. 1.4305 / X10CrNiS18-9)
Bearings	Double bearing
Resistive element	Conductive plastic
Cursor	precious metal multi-finger
Fixation	4 M6 screws
Allowable load on the shaft, static or dynamic	300 N
Maximum operating torque (*)	4 Ncm
Maximum working speed	50 min⁻¹
Weight	approx. 500 g
Environmental conditions
Operating and storage temperature	-40 … +105 °C
Vibration IEC 60068-2-6	5 … 2000 Hz, Amax = 0.75 mm, amax = 5 g
IEC 60068-2-27 Shock	50 g, 6 ms
Life	> 100 × 10⁶ movements
MTTF	429 years
ISO 20653 Protection	IP67 with M12 connector output
ISO 20653 protection (cable)	IP6K9K with cable exit

Reference	Configuration
IPX-7901-101-120-103IPX7901101120103	Art. 400104337
IPX-7901-101-200-101IPX7901101200101	Art. 400103972
IPX-7901-101-350-103IPX7901101350103	Art. 400012011
IPX-7901-103-120-101IPX7901103120101	Art. 400012007
IPX-7901-103-200-101IPX7901103200101	Art. 400012008