18
rel. 2.7 - 16.11.2018
ENG
"Passive probes" +030220658 -
4.2 Models NTCINF0340 and NTCINF0640
Piercing probe with 90° handle and heating system
Storage conditions -50T90 °C
Operating range -50T90 °C
Connections Stripped ends, with terminals
Sensor NTC 10 kOhm ±1% at 25 °C Beta 3435
Thermal constant over time (in air) approx. 45 s
Cable Food-safe thermoplastic sheath with 4 wires size 0.15 mm
2
Wires colours White-black, NTC / red, electric heater.
Maximum heater voltage 24 Vac (20 W)
Electrical resistance of heater 7 Ohms ± 0.6 with a diode in series of resistance (see internal diagram)
Cable lenght 3 m
Sensitive element index of protection IP67
Sensitive element housing AISI 316 stainless steel. Length 100 mm diam. 4 mm. With pointed tip.
Cap filler Aluminium
Classification according to protection against
electric shock (sensitive element and cable)
Insulation: Outer sheath, and inside on wires
Category of resistance to heat and fire Flame retardant
Insulation resistance 20 Mohm 500 Vcc
Dielectric strength 500 Vac
Food compatibility Suitable for permanent food contact
Tab. 4.b
3000
6
Ø 4
100
HEATING CIRCUIT
7Ohm + -0,6 Ohm
24 Vac
NTC
10K 1%
B3435 1%
RED
cable
RED
cable
WHITE
cable
WHITE
cable
Fig. 4.e
a red, electric heater
b white/black, NTC
4.3 Models NTCINF0150
Piercing probe with 180° thermoplastic rubber handle and spiral cable
Storage conditions -40T90 °C
Operating range -40T90 °C
Connections Tripped ends with pins
Sensor NTC 10 kOhm ±1% at 25°C Beta 3435
Thermal constant over time (in air) approx. 45 s
Cable Spiral black cable, 2 wires, diam. 4mm
Colours white-red, 2x0.22mm
2
Cable length 1.5 m, extendable up to 3m
Sensitive element index of protection IP67
Sensitive element housing AISI 316 stainless steel, 150 mm long, diam. 4 mm, with rounded tip
Packing Polyurethane resin
Classification according to protection against
electric shock (sensitive element and cable)
Insulation: external sheath and on wires
Category of resistance to heat and fire No fire propagation
Isolation resistor 20 MOhm 500 Vdc
Rigidity 2000 Vac
Food compatibility Suitable for permanent food contact
Tab. 4.c
Mechanical drawing
150 mm 1.5 m
105 mm
Ø 8
Ø 18.5
Ø 13.5
Ø16 mm
±1,5
Ø 4
Fig. 4.c