
VF20T/WPF20L/T7413A Immersion Temperature Sensor
Immersible temperature sensors are primarily used in the following cold/hot water control systems, or in systems that utilize PT1000 and NTC20K temperature sensors. Additionally, a matching sleeve is available as an option.
Technical Specifications
Nominal Value
PT1000 1000 Ω at 0℃
NTC20KΩ 20KΩ at 25℃
Accuracy
PT1000 0.3 K +0.5% • |t| (t in℃)
NTC20KΩ 0.3 K +1% • |t - 25 °C| (t in℃)
Sensitivity
PT1000 ≈ 3.85 Ω / K
NTC20KΩ ≈ -934.5Ω / K
Response Time
Copper sleeve with 18 seconds
Stainless Steel Tube Inserted, 30 Seconds
Electrical Connections
T7413A/VF20 2 x 1.5 mm² cable
WPF20 3 x1.5 mm² cable
Storage and Transportation Temperature: -35℃ to +70℃
Ingress Protection (IP) Rating
IP54 (T7413A)
IP52 (VF20/WPF20)































