TV-19T
Electric Air Thermometer
Description
TV-19T thermometer for cabin air temperature indication
The TV-19T is an aircraft electric air thermometer used for remote measurement of average air temperature inside helicopters and aircraft. It is installed where the crew needs a cockpit indication of the temperature in a passenger cabin, cargo compartment or heated internal zone. The system does not measure only one local point. It works with several remote temperature receivers placed in different areas, so the cockpit indicator shows a more representative average value of the controlled space.
Full descriptionCollapse description
TV-19T set with remote temperature receivers
The TV-19T system typically includes a cockpit indicator and three remote temperature receivers of the P-9T or P-9 type. The receivers are installed in different parts of the cabin or compartment and react to the surrounding air temperature. The indicator, installed on the instrument panel, converts the electrical resistance signal from the receivers into a temperature reading. This layout is useful for helicopters such as the Mi-8, where a single temperature sensor in one corner of the cabin would not give a reliable picture of the whole space.
How the TV-19T measures average temperature
The TV-19T works as part of an electrical resistance thermometer system. The P-9T / P-9 receivers change resistance as air temperature changes, and the indicator displays the corresponding temperature value. Since several receivers may be installed in different cabin areas, the system can show an averaged temperature rather than the reading from a single local spot. Correct installation of the receivers matters: they should not be placed directly near heaters, cold air streams, blocked areas, or surfaces that distort the real cabin air temperature.
TV-19T cockpit indication
The cockpit part of the TV-19T system is the indicating instrument, commonly referred to as the TV-1 indicator in the supplied set. It is installed on the crew instrument panel and gives a direct visual reading. The scale is arranged for aircraft use, with a wide pointer sweep and marked temperature divisions. This allows the crew to monitor cabin or compartment heating during flight and to evaluate whether the heating and ventilation system is working normally.
Power supply and operating conditions of TV-19T
The TV-19T operates from the aircraft DC electrical network. The system is designed for aviation conditions, including vibration and temperature changes typical of helicopters and aircraft. On Mi-8 family helicopters, this is important because the temperature indication system works in the same environment as other onboard electrical equipment and cabin heating systems. During maintenance, technicians normally check the indicator, receiver wiring, sensor condition, scale response, power supply and correctness of indication.
Supply and identification of TV-19T
When ordering or replacing the TV-19T, it is important to clarify whether the requirement is for the complete thermometer set, the cockpit indicator only, or separate P-9T / P-9 temperature receivers. The number and type of receivers should be confirmed by aircraft documentation. Before installation, the system should be checked by passport, completeness, condition of the indicator, receiver resistance values, wiring, connectors and compatibility with the aircraft temperature indication system.
Related system equipment: P-9T, TB-1, EP-528T Series 2. These positions are grouped by system function and installation context, not as interchangeable replacements.
Confirmed installation context includes Mi-8 / Mi-17 family helicopters. The exact execution and installation position must be checked against the illustrated parts catalogue and documentation for the specific aircraft.
Technical details
- Product Type
- Aircraft electric air thermometer set
- Designation
- TV-19T / ТВ-19Т
- Function
- Remote measurement and indication of average air temperature inside aircraft cabins and compartments
- Application / Where Used
- Aircraft and helicopter cabin, passenger compartment and cargo cabin temperature indication systems
- Typical Aircraft Application
- Mi-8 family helicopters and other aircraft depending on configuration
All specificationsCollapse specifications
- System Composition
- TV-1 indicator and P-9T / P-9 remote temperature receivers
- Typical Receiver Quantity
- 3 temperature receivers
- Temperature Receiver Type
- Resistance-type air temperature receiver
- Measurement Range
- −60 to +50 °C
- Working Range
- 0 to +35 °C
- Power Supply
- 27 V DC ±2.7 V
- Current Consumption
- 50 mA
- Damping Time
- Not more than 4 s
- Operating Position
- Vertical
- Scale Length
- 84 mm
- Scale Angle
- 210°
- Scale Type
- Uneven scale
- Main Scale Marking
- −6, −3, 0, 3, 6
- Scale Division
- 5 °C
- Vibration Resistance
- 1.1 g acceleration at 20–80 Hz
- Indicator Dimensions
- 65.4 × 120 mm
- Receiver Dimensions
- 50 × 120 mm
- Indicator Weight
- 0.43 kg
- Receiver Weight
- 0.09 kg
- Technical Documentation
- Product passport and aircraft temperature indication system documentation as applicable
Payment & delivery
Orders ship from our hub in Dubai. Partner stock is first transferred to Dubai, then shipped to you.
Dubai stock: 100% before dispatch. Partner stock (Remote stock) and Pre-order: 50% advance payment to start the order and 50% before shipment from Dubai to you.
Availability, lead time, delivery cost and payment terms are confirmed for your order before payment.
Payment & delivery terms