Self-Contained One-Color Non-Contact Infrared Pyrometers - PSC-T54L

• Temperature ranges: -40 to 1000 °C
• Spectral range: 8 to 14 µm
• Measurement accuracy: 0.6 % of measured value in °C or 1 K
• Reproducibility: 0.3 % of measured value in °C or 0.5 K
• Output: 0/4 to 20 mA, temperature linear, max. burden: 700 Ω
• Power supply: 24 V DC ± 25 %, residual ripple 500 mV
• Power consumption: max. 1.5 W
• Operating temperature: 0 °C to 70 °C (32 °F to 158 °F)

  • Model Number: PSC-T54L
  • Data Sheet: Date Sheet File
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  • Self-Contained One-Color Non-Contact Infrared Pyrometers
  • Self-Contained One-Color Non-Contact Infrared Pyrometers
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Product Specification

Self-Contained 1-Color Pyrometer for General Purpose Applications
Digital pyrometer with 4-20mA output and RS-485 Modbus RTU Protocol

PSC-T54L Non-Contact Infrared Pyrometers Description
The digital model PSC-T54L series pyrometers are specifically designed for general purpose applications. They are suitable for temperature measurement between -40 to 1000°C on non-metallic or coated metallic surfaces.

The compact, rugged stainless steel housing with companion cooling jacket facilitates operation under even the most difficult ambient conditions. The PSC-T54L can measure small spot sizes starting from 0.028" (0.7 mm). 

With a quick response time of 10 ms (adjustable) the PSC-T54L can pick up the tiniest changes in temperature faster than other devices, i.e., thermocouples.

The IR sensor provides dual lasers to determine focus distance and is used to aim and pinpoint the target under measurement. The laser can be activated remotely via RS-485 communication interface.

The standard 0/4 to 20 mA linear temperature output signal allows for easy implementation into existing measurement and control systems.

The PSC-T54L possesses a galvanically isolated RS-485 interface. As such, the devices are bus-compatible and use the Modbus RTUprotocol.

The pyrometer can be connected to a computer via an optional RS-485 to USB interface adapter. By connecting the IR sensor with a PC using PSCSpot software, parameters such as emissivity, sub-temperature range, data storage settings, and response time can be adjusted.

The IR sensor parameters can also be adjusted via RS-485 interface or through the optional available handheld programming device DHP 1040.

PSC-T54L Non-Contact Infrared Pyrometers Typical Industry Applications:
• Paper & Packaging
• Powders & Bulk solids
• Ceramics
• Wallboard
• Food
• Thermoforming Glass & Composites

PSC-T54L Infrared Temperature Sensor Special features
• Temperature ranges between -40°C and 1000°C
• Small spot sizes with high resolution optics-FOV 100:1
• 0/4 to 20 mA linear output, switchable
• Dual lasers for aiming
• Fast response time (10 ms)
• Integrated RS-485 interface and Modbus RTU

PSC-T54L Non-Contact Infrared Pyrometers Technical data

Temperature ranges
0 °C to 1000 °C / 32°F to 1832°F
-40 °C to 1000 °C / -40°F to 21832°F
Fixed optics
200 600 1500
Part number
Sub temperature range
adjustable via RS-485 interface within temperature range, minimum span 50 °C
Spectral range
8 to 14 µm
Distance ratio
approx.  75 : 1 (fixed optics 200, 600, 1500) or approx.  100 : 1 (fixed optics 75)
Measurement accuracy
0.6 % of measured value in °C or 1 K
0.3 % of measured value in °C or 0.5 K
< 0.15 K
Response time (t90)
10 ms (min.), adjustable via RS-485 interface
0.200 to 1.000, adjustable via RS-485 interface
Data storage
minimum/maximum data storage, adjustable via RS-485 interface
0/4 to 20 mA, temperature linear, max. burden: 700 Ω
RS-485 (galvanically isolated), half duplex, max. baud rate 115 kBd, data protocol Modbus RTU
double laser, 645 nm to 660 nm, class II, < 1 mW
Switching output/
1 opto relay, R Load mind. 48 Ω (galvanically isolated)/adjustable within temperature range
PSCSpot for Windows
emissivity, response time, data storage, sub temperature range, transmissivity, ambient radiation,
adjustable via RS-485 interface
Power supply
24 V DC ± 25 %, residual ripple 500 mV
Power consumption
max. 1.5 W
Operating temperature
0 °C to 70 °C (32 °F to 158 °F)
Storage temperature
-20 °C to 70 °C (-4 °F to 158 °F)
approx. 600 g (11.5 lbs)
stainless steel round housing with plug connector, length approx. 105 mm, diameter 50 mm
Protection class
IP 65 (according to DIN EN 60529 und DIN 40050)
CE symbol
according to EU regulations (EN 50 011)
Scope of delivery
PSC-T54L, manual, inspection sheet, PSCSpot for Windows ®
(without connection cable, please order separately)

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