Groundbreaking ceremony for significant growth

The office and manufacturing space alone at the new S+S location in Nuremberg will be expanded to 8,600 m² in order to meet the increasing demand for advanced sensor devices.

With Giga factory for sensors to become the #1 on the market

On a total area of over 14000 square meters, the new S+S company headquarters is being built in the north of Nuremberg.

Specialists in pressure

Multi-range measuring transducers for pressure, differential pressure and volume flow

PREMASGARD 211x / 212x

Efficient, convenient and network-enabled

Elegant appearance, touch-operated interface, large display, and Modbus-compatible

RYMaskon

Multi-funtional duct sensor

For humidity, temperature, pressure, differential pressure and volume flow for monitoring and controlling heating, ventilation and air-conditioning systems

PREMASGARD® 814x-Modbus

Satisfied customers drive our business

An overview of our references

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Electronic frost protection monitor

2-phase thermostat with continuous and switching output for reliable prevention of frost damages and freezing

THERMASREG® FS-20

Für jede Anwendung die richtige Lösung [Translate]

RHT-30W

HYGRASREG® RHT-30W

Item No. 1202-4077-1011-200
EAN 4 251325 615370

Electronic room hygrostat and/or room thermostat HYGRASREG® RHT-30 with one continuous and two switching outputs, adjustable switching thresholds, with/ without optional display for indicating ACTUAL humidity and/or ACTUAL temperature (accuracy class ± 2.0 % r.H.). The setpoints can be allocated to the relative humidity and/or to the temperature. It is suitable for regulating and monitoring relative humidity (humidifying and dehumidifying) and/or the temperature (heating and cooling), e.g. in ventilation and air conditioning ducts, laboratories, production facilities, climatic test cabinets, indoor swimming pools, greenhouses, etc., to control humidifying and dehumidifying equipment or heating system control. The measuring transducers are designed for exact humidity/temperature measurement. The RHT-30 uses a digital, long-term stable sensor as a measuring element. It is used in dust-free, unpolluted, non-aggressive air.

155,80 € net
Voltage supply 24 V AC (± 20 %) and
15…36 V DC
Power consumption < 1.5 VA/ 24 V DC, < 3.5 VA/ 24 V AC
Load resistance RL > 5 kOhm
Deviation of humidity typical ± 2.0 % r. H. (20…80 % r. H. ); at + 25 °C, otherwise ± 3.0 % r. H.
Temperature deviation typically ± 0.2 K at +25 °C
Output potential-free changeover contacts
(2 x changeover contact 24 V, 1A ohmic load, separately adjustable,
1x 0 - 10 V)
Sensor digital humidity sensor
with integrated temperature sensor,

low hysteresis, high long-term stability
Operating difference Mode 1: both switch steps are freely adjustable (rel. humidity)
Mode 2: 5 % between both switch steps (rel. humidity)
Mode 3: both switch steps freely adjustable (temperature)
Mode 4: switch step 1 (temperature), switch step 2 (rel. humidity)
(adjustable via DiP switches)
Setting range 5...95 % r.H. (Humidity)
+5...+ 45 °C (Temperature)
(switch steps 1 and 2 are separately adjustable)
Ambient temperature storage –35...+85 °C,
operation – 30...+70 °C, non-precipitating
Electrical connection 0.14 - 1.5 mm² via terminal screws
Housing plastic, material ABS,
colour pure white (similar to RAL 9010)
Housing dimensions 98 x 98 x 35 mm (Baldur 2)
Installation wall mounting or on in-wall flush box, Ø 55 mm,
base with 4 holes, for attachment to vertically or
horizontally installed in-wall flush boxes for rear cable entry,
with predetermined breaking point for cable entry
from top/ bottom in case of plain on-wall installation
Long-term stability ± 1 %/ year
Protection class III (according to EN 60 730)
Protection type IP 30 (according to EN 60 529)
Standards CE conformity, EMC directive 2014/ 30/ EU
Function Humidifying/heating:

1st step: wire contacts 11 - 12.
If actual humidity falls more than 3 % r.H. / 1 K (hysteresis) below
switching threshold S1, the changeover contact switches to 11 - 12.

2. step: wire contacts 21 - 22.
If actual humidity falls more than 3 % r.H. / 1 K (hysteresis) below
switching threshold S2, the changeover contact switches to 21 - 22.
Terminal 2: output relative humidity / temperature

Dehumidifying/cooling:

1st step: wire contacts 11 - 13.
When actual humidity exceeds switching threshold S1,
the changeover contact switches to 11 - 13.

2. step: wire contacts 21 - 23.
When actual humidity exceeds switching threshold S 2,
the changeover contact switches to 21 - 23.
Terminal 2: output relative humidity / temperature

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