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Industrial Threaded Thermocouple Temperature Transmitter

The Maxwell TT-501 Series is a robust and highly versatile threaded thermocouple temperature transmitter engineered for demanding industrial environments. Housed in a rugged, explosion-proof aluminum alloy enclosure, this transmitter delivers reliable and accurate temperature measurement across a wide range of process conditions. An integrated digital display provides clear, on-site readings, while the RS485 (Modbus RTU) communication output enables seamless integration into modern PLC-based control systems, SCADA networks, and building management systems.

With its highly customizable design — featuring multiple thread options (M6, M8, 1/4 BSP, 1/4 NPT), a selection of premium probe materials (304, 316, and 310 stainless steel, brass, and aluminum), and a comprehensive range of lead wire materials — the TT-501 can be precisely configured to meet the exact requirements of any installation. Both grounded and ungrounded junction configurations are available, offering a choice between faster thermal response and electrical isolation to suit the specific demands of each application.

Brand:
PIDMaxWell
Item no.:
TT-501
Payment:
T.T, Credit Card, Paypal etc, to be negotiate
Market price:
$30
Price:
$20
Product origin:
Made in China
Color:
Red and blue
Min order:
10
Product weight:
0.5kg
Lead Time:
14 days after payment confirmed

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Key Features

Explosion-Proof Housing	Rugged blue aluminum alloy enclosure rated for safe operation in hazardous and explosive atmospheres, suitable for Zone 1 & Zone 2 environments.
Integrated Digital Display	Built-in LED/LCD display provides clear, real-time temperature readings directly at the measurement point, eliminating the need for external indicators.
RS485 / Modbus RTU Output	Built-in RS485 communication interface with Modbus RTU protocol enables reliable long-distance data transmission (up to 1200m) and easy integration with PLCs, DCS, and SCADA systems.
Multiple Thread Options	Available with standard process connection threads including M6, M8, 1/4 BSP, and 1/4 NPT, providing flexible installation into a wide variety of process equipment.
Premium Probe Materials	Probe construction options include high-grade 304 SS, 316 SS, and 310 SS for corrosion and high-temperature resistance, as well as brass and aluminum for general-purpose use.
Versatile Lead Wire Options	Wide selection of lead wire materials: high-temperature compensation cable, PVC, silicone, PTFE (Teflon), mica fiber metal-braided, and fiberglass metal-braided cables for temperatures up to 600°C+.
Grounded & Ungrounded Configurations	Supports both grounded junctions (faster thermal response) and ungrounded junctions (electrical isolation from sheath) to suit specific application requirements.
Customizable Lead Wire Length	Lead wire length is fully customizable to any required length (standard options: 2000mm, 3000mm, 5000mm), minimizing installation complexity and reducing field wiring costs.

Technical Specifications

Parameter	Specification
Product Model	TT-501 Series
Sensor Type	Thermocouple (Type K, Type J, and others available)
Output Signal	RS485 (Modbus RTU protocol)
Power Supply	12–35V DC
Measurement Range	-20°C to +600°C (typical; varies by sensor type and probe material)
Thread / Process Connection	M6, M8, 1/4 BSP, 1/4 NPT (other sizes available on request)
Probe Materials	304 Stainless Steel, 316 Stainless Steel, 310 Stainless Steel, Brass, Aluminum
Junction Type	Grounded (GD) or Ungrounded (UG), selectable at order
Lead Wire Materials	High-temp compensation cable, PVC, Silicone, PTFE (Teflon), Mica fiber metal-braided, Fiberglass metal-braided
Lead Wire Length	Customizable; standard options: 2000mm, 3000mm, 5000mm
Housing Material	Aluminum Alloy (Explosion-proof design)
Display	Integrated digital display (LED/LCD)
Protection Rating	Explosion-proof (suitable for hazardous areas)

The TT-501 series uses a structured ordering code that allows full customization of sensor type, thread connection, lead wire length, material, and junction type. The ordering code follows the format below:

Code Format: TC – [Type] – [Probe Dia] – [Probe Length] – [Screw Type] – [Lead Length] – [Lead Material] – [Junction]

Example: TC-K1-N-N-M6-2000-SS-GD → Type K thermocouple, no probe, M6 screw, 2000mm stainless steel lead wire, grounded junction

Code Position	Code Value	Description
Sensor Series	TC-K1	Thermocouple Type K, Code K1
Sensor Series	TC-J1	Thermocouple Type J, Code J1
1: Probe Diameter	N	Not applicable for this sensor type
2: Probe Length	N	Not applicable for this sensor type
3: Screw Type	M6	M6 metric screw thread
3: Screw Type	M8	M8 metric screw thread
3: Screw Type	1/4BSP	1/4 BSP (British Standard Pipe) screw thread
3: Screw Type	1/4NPT	1/4 NPT (National Pipe Taper) screw thread
4: Lead Wire Length	2000	2000mm lead wire (customizable to any length)
4: Lead Wire Length	3000	3000mm lead wire
4: Lead Wire Length	5000	5000mm lead wire
5: Lead Wire Material	SS	Stainless steel wire
5: Lead Wire Material	SILI	Silicone wire
5: Lead Wire Material	FG	Fiberglass insulation wire
5: Lead Wire Material	TF	PTFE (Teflon) wire
6: Junction Type	GD	Grounded junction — faster thermal response
6: Junction Type	UG	Ungrounded junction — electrical isolation from sheath

The TT-501 series threaded thermocouple temperature transmitter is highly adaptable and suitable for a wide array of industrial applications. Its explosion-proof housing, RS485 digital output, and extensive customization options make it an ideal choice for both hazardous area installations and general process industries requiring reliable, long-term temperature measurement.

▸ Petrochemical & Refining: Temperature monitoring in pipelines, reactors, heat exchangers, and storage tanks where explosion-proof equipment is mandatory.

▸ Power Generation: Monitoring steam lines, cooling water systems, and bearing temperatures in power plants, turbines, and utility facilities.

▸ Industrial Furnaces & Ovens: High-temperature measurement in heat treatment furnaces, industrial ovens, kilns, and drying chambers up to 600°C.

▸ Plastics & Rubber Processing: Precise temperature control in extruders, injection molding machines, hot runners, and molds.

▸ Food & Beverage Industry: Process temperature monitoring in brewing, pasteurization, sterilization, and industrial cooking applications.

▸ Chemical Processing: Reliable temperature measurement in corrosive environments using 316 SS or 310 SS probes with PTFE-insulated lead wires.

▸ HVAC & Building Automation: Monitoring air and fluid temperatures in large-scale climate control systems, boilers, and chilled water networks.

▸ OEM Machinery & Equipment: Integration into custom industrial machinery, compressors, hydraulic systems, and automated production lines requiring standard threaded process connections.

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Head Mount Temperature Transmitter

Industrial Threaded Thermocouple Temperature Transmitter

Field mount temperature transmitter with local display