Thermo Switches

Fluid temperature measurement in conjunction with
STAUFF Level Gauges SNA, SNK and SNKK
Installation

• Replaces the lower banjo bolt of the Level Gauge
• Available for bolt size M12 only
• Clearance hole: Ø13 mm / Ø.51 in

Materials

• Metal parts made of Stainless Steel (1.4305)
• Plastic parts made of glass-fibre reinforced Polyamide (PA)

Electrical Specifications (General)

• Thermo switch is activated when the fluid temperaturereaches the respective switching temperature
• Available with switching temperatures of +60°C / +140°F,+70°C / +158°F, +80°C / +176°F or +90°C / +194°F(with a switching tolerance of ±5 °C / ±9°F and ahysteresis of 35°C / 63°F)
• Available as a break contact (normally closed) or makecontact (normally open)
• Either equipped with industrial standard connector (typesC / O) or five-pin circular connector M12 (types CD / OD)
• Thermo switch can be rotated by 360° to its final direction

Temperature Sensors

Fluid temperature measurement in conjunction with
STAUFF Level Gauges SNA, SNK and SNKK; Analysis of
signals with required equipment, simply connect to your
on board control unit or PLC.
Installation

• Replaces the lower banjo bolt of the Level Gauge
•  Available for bolt size M12 only
•  Clearance hole: Ø13 mm / Ø.51 in

Materials

• Metal parts (including all fluid-affected parts) made of Stainless Steel V2A (1.4305)

Electrical Specifications

• Measuring temperature range:-40 °C ... +150 °C / -40 °F ... +302 °F
• Platinum measuring element PT100 according to DIN EN 60751, class A
• Accuracy: ±(0,15 K + 0,002 x |t|)
• Max. contact current: 2,0 mA
• Equipped with four-pin circular connector M12with gold-plated contacts
• Power supply 20...32V DC