TFD-4000 short-stroke contactless Hall transducer

Manufacturer: Novotechnik
Category: Displacement, SENSORS, Linear Transducers

Novotechnik TFD-4000 contactless Hall transducer. NOVOHALL technology, contactless.

Non-contact linear Hall effect transducer (NOVOHALL), in two parts: sensor and magnetic position marker. Ratiometric analog output of 0.25–4.75 V. Measuring ranges from 0–5 to 0–50 mm. Resolution up to 12 bits. IP67, IP68, IP69 protection; temperature range -40 to +125 °C.

Key points

Two-piece design, mechanically decoupled
IP67, IP68, IP69 protection
Resolution up to 12 bits

Technical Frequently Asked Questions

What can be connected to the TFD-4000 contactless Hall transducer?

It can be connected to positioners (magnets and cursors) for Novotechnik linear sensors.

How do I order the TFD-4000 contactless Hall transducer?

The order code has 7 fields: mechanical version, channels, range (mm), power supply, signal, characteristic, and connection. For example, TFD-4021-614-211-401 (Art. 400104212) is a single-channel device, 0…8 mm to 0…14 mm, 5 VDC, ratiometric 5…95 %, rising characteristic, and 3 wires of 0.5 m. All order references with their corresponding Art. are listed in the reference table on this page.

Under what conditions does the TFD-4000 contactless Hall transducer operate?

Operating temperature: -40 … +125 °C. Protection: IP67 / IP68 / IP69.

Properties

Feature	Specification
Description
Housing	Temperature-resistant PBT GF plastic, with brass bushings
Mounting	2 M4x14 socket head cap screws (included)
Tightening torque of the fastener	250 ± 50 Ncm
Electrical connection	0.5 mm² (AWG 20) PVC wires
Ground (no connection)	approx. 10 g
Made to order	Other ranges from 0…5 mm to 0…50 mm, other output characteristics, other wire lengths and mounted connectors
Electrical data
Exit sign	ratiometric to the supply voltage Ub
Output signal margin	5 … 95 % (0.25 … 4.75 V) in the electrical range (level L)
Burden	≥ 10 kΩ
Number of channels	1 / 2
Update frequency	typical 2.5 kHz
Resolution	12 bits
Repeatability	≤ ±0.1 % FS
Hysteresis	≤ ±0.1 % FS
Temperature error	±0.5 % FS
Supply voltage Ub	5 VDC (4.5 … 5.5 VDC)
No-load current consumption	typ. 15 mA (typ. 8 mA, on request)
Reverse polarity protection	Yes (feed lines)
Short circuit protection	Yes (all outputs connected to GND and the supply voltage)
Insulation resistance (500 VDC)	≥ 10 MΩ
Environmental conditions
Maximum working speed	Mechanically unlimited
Vibration IEC 60068-2-6	20 g, 5 … 2000 Hz, Amax = 0.75 mm
IEC 60068-2-27 Shock	50 g, 6 ms
DIN EN 60529 protection	IP67 / IP68 / IP69
Working temperature	-40 … +125 °C
Life	Mechanically unlimited
Functional safety	The sensor is not suitable for security-related applications.
MTTF (IEC 60050), a channel	9926 years
MTTF (IEC 60050), partially redundant, per channel	4441 years
MTTF (IEC 60050), fully redundant, per channel	4512 years
Electromagnetic compatibility
ISO 10605 ESD (handling)	8 kV
ISO 10605 ESD (component)	15 kV
ISO 11452-2 Radiated HF fields	200 V/m
ISO 11452-5 Radiated HF fields, stripline	200 V/m
CISPR 25 Radiated emission	Level 5
EN 61000-4-4 Fast transients (burst)	1 kV
EN 61000-4-6 Conducted disturbances (HF fields)	10 V ef.
EN 61000-4-8 Magnetic fields	30 A/m

Reference	Configuration
TFD-4021-614-211-401TFD4021614211401	Art. 400104212 · Range: 0 … 8 to 0 … 14 mm · Channels: One channel
TFD-4021-624-211-401TFD4021624211401	Art. 400104213 · Range: 0 … 15 up to 0 … 24 mm · Channels: One channel
TFD-4021-714-213-411TFD4021714213411	Art. 400104217 · Range: 0 … 8 to 0 … 14 mm · Channels: Partially redundant
TFD-4021-724-213-411TFD4021724213411	Art. 400104218 · Range: 0 … 15 to 0 … 24 mm · Channels: Partially redundant
TFD-4021-814-214-421TFD4021814214421	Art. 400104221 · Range: 0 … 8 to 0 … 14 mm · Channels: Fully redundant
TFD-4021-824-214-421TFD4021824214421	Art. 400104222 · Range: 0 … 15 to 0 … 24 mm · Channels: Fully redundant