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Mesure de la température

Corps noir M345X (X4, X6, X8, X12)

Large area blackbody source for low temperatures cooled and heated by precision thermoelectric modules. 0 … 170 °C (32 … 338 °F)

  • 0...170°C (X4, X6, X8)
  • 0...150°C (X12)
Corps noir M345X

Key Features

  • High emissivity and uniformity
  • Excellent low temperature calibration
  • Large aperture sizes
  • High accuracy, high resolution
  • Manufactured and tested to meet rigid quality control standards 

Details

Designed to satisfy the exacting parameters of infrared focal plane array detectors, thermal imaging and forward looking infrared (FLIR) systems testing in static and moving scene applications, LumaSense’s M345X Series blackbody calibration sources combine fast slew rates, high emissivity, and unchallenged stability and uniformity. As part of an extensive range of general purpose and primary standards for testing and calibrating a wide variety of IR devices, the M345X Series embodies the accumulated expertise of almost 30 years of specialization in this discipline.

The M345X Series Blackbody Sources are cooled and heated by precision thermoelectric modules (Peltier method) and are available in absolute or differential configurations. The two piece system is comprised of bench mount controller and a separate emitter source enclosure.

The sources are available in emitter sizes ranging from 4x4 inch (101x101 mm) up to 12x12 inch (305 x 305 mm) and in standard temperature range of 0.00 °C to 170 °C (32 to 338 °F) or 0.00 °C to 150 °C (32 to 302 °F) for M345X12.

Typical Calibration Applications

  • Infrared Temperature Sensors
  • Infrared Thermal Imaging Systems
  • Spectrographic Analyzers
  • Radiometers
  • Flux Meters 

Documentation

Datasheet M345X159 KB
Manual M345 X4909 KB
Manual M345 X6968 KB
Manual M345 X8988 KB
Manual M345 X12740 KB
Declaration of Conformity121 KB

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M345 X (X4, X6, X8, X12) SPECIFICATIONS

M345X4 – PN 17100-4
Temperature Range 0 ... 170 °C  (32 ... 338 °F)
Exit Aperture 101 x 101 mm (4” x 4”)
Power 115 V AC @ 50 & 60 Hz
M345X4 – PN 17100-5
Temperature Range   0 ... 170 °C  (32 ... 338 °F)
Exit Aperture 101 x 101 mm (4” x 4”)
Power 230 V AC @ 50 & 60 Hz
M345X4D** – PN 17100-4D
(“D” indicates ‘Differential model’ that has an RTD input for measuring a front plate aperture temperature (both supplied by customer).
Temperature Range 0 ... 170 °C  (32 ... 338 °F)
Exit Aperture 101 x 101 mm (4” x 4”)
Power 115 V AC @ 50 & 60 Hz
M345X6 – PN 16770-2
Temperature Range   0 to 170 °C  (32 to 338 °F)
Exit Aperture 152 x 152 mm (6” x 6”)
Power 115 V AC @ 50 & 60 Hz
M345X6* – PN 16770-3
Temperature Range   0 to 170 °C  (32 to 338 °F)
Exit Aperture 152 x 152 mm (6” x 6”)
Power 230 V AC @ 50 & 60 Hz
M345X8 – PN 17435-4
Temperature Range 0 to 170 °C (32 to 338 °F)
Exit Aperture 203 x 203 mm (8” x 8”)
Power 115 V AC @ 50 & 60 Hz
M345X8 – PN 17435-7
Temperature Range 0 to 170 °C (32 to 338 °F)
Exit Aperture 203 x 203 mm (8” x 8”)
Power 230 V AC @ 50 & 60 Hz
M345X12 – PN 16700-11
Temperature Range 0 to 150 °C (32 to 302 °F)
Exit Aperture 305 x 305 mm (12” x 12”)
Power 115 V AC @ 50 & 60 Hz
M345X12 – PN 16700-22
Temperature Range 0 to 150 °C (32 to 302 °F)
Exit Aperture 305 x 305 mm (12” x 12”)
Power 230 V AC @ 50 & 60 Hz

Measurement Specifications

Temperature Uncertainty:

Radiometric calibration(standard):
±1 °C @ 8 ...14 μm

Thermometric calibration (optional):
±0.05 °C
Display Accuracy vs. NIST Calibration:

Radiometric calibration(standard):
±1 °C

Thermometric calibration (optional):
±0.05 °C at calibration points
Temperature Resolution: 0.01° C
Stability1: 0.05 °C per 8 hours period in still air environment
Source Non-Uniformity: ±0.15 °C (excluding 10 % border area) up to 50 °C, ±0.75 °C @ 150 °C
Heated Emitter Shape: Thermally uniform plate
Emissivity
(radiometric calibration):		 εeff @ 8-14 μm: 1.0   
Emissivity
(thermometric calibration):

Radiometric calibration (standard):
1.00 effective emissivity @ 8 ... 14 μm

Thermometric Calibration (optional):
@ 8 … 15 μm: 0.9756 ± 0.0039
@ 3 … 5 μm: 0.9713 ± 0.0049
Calibration Method:

Radiometric (standard)

Thermometric (optional)
(Must be requested at time of order)
Temperature Sensor: Precision platinum RTD 1/3 DIN
Warm-up Time: ~15 min from ambient to 100 °C
Slew Rate to 1 °C Stability (average):

M345X4 Versions:
~5°/ min 25 °C < T < 100 °C,
~2.5°/ min 100 °C < T < 170 °C,
~3°/ min 0 °C < T < 10 °C

M345X6 Versions:
~15°/ min 25 °C < T < 100 °C,
~11°/ min 100 °C < T < 170 °C,
~9°/ min 0 °C < T < 10 °C

M345X8 Versions:
~12°/ min 25 °C < T < 100 °C,
~10°/ min 100 °C < T < 170 °C,
~6°/ min 0 °C < T < 10 °C

M345X12 Versions:
~7°/ min 25 °C < T < 100 °C,
~4°/ min 100 °C < T < 150 °C,
~3°/ min 0 °C < T < 10 °C descending
Slew Rate to 0.1 °C Stability: ~10 min for a Δ 10 °C setpoint change

Communication / Interface

Remote Set Point: RS232
Method of Control: Digital PID Controller

Environmental Specifications

Operating Ambient Temperature2: 15 °C … 30 °C
Cooling: Fan cooled, air outlet on rear panel
Operating Humidity: Dew point must be lower than BB setpoint
Blackbody Dimensions
(H x W x D):

M345X4 Versions:
153 x 153 x 153 mm (6” x 6” x 6”)

M345X6 &X8 Versions:
279.4 mm x 254 mm x 381 mm
(11” x 10” x 15”)

M345X12 Versions:
400 x 400 x 355.6 mm
(15.75” x 15.75” x 14”)
Controller Dimensions
(H x W x D):

M345X4 Versions:
195 mm x 432 mm x 576 mm
(7.67” x 17” x 22.66”)

M345X6 & X8 Versions:
195 mm x 432 mm x 576 mm
(7.67” x 17” x 22.66”)

M345X12 Versions:
195 mm x 432 mm x 576 mm
(7.67” x 17” x 22.66”)
Method of Mounting: Bench
Blackbody Weight:

M345X4 Versions:
12 lbs (5.44 kg)

M345X6 Versions:
29 lbs (13.1 kg)

M345X8 Versions:
35 lbs (15.9 kg)

M345X12 Versions:
52 lbs (24 kg)
Controller Weight:

M345X4 Versions:
34 lbs (15.5 kg)

M345X6 & X8 Versions:
34 lbs (15.5 kg)

M345X12 Versions:
34 lbs (15.5 kg)
CE Certified: Yes

1Provided stable AC mains voltage and minimum air flow across the exit port or emitter plate.
2Ambient temperature must be ≤ 20 °C to be able to reach 0 °C emitter radiance temperature. Inlet ducts may be connected to a cool source of air at the top of the blackbody if necessary. When operating at ambient temperature of 20 °C and need to make the setpoint 0 °C, the setpoint must be “walked” down to 0 °C.

  1. Set the set point to 10 °C and wait 2 minutes after it is somewhat stable.
  2. Lower the set point to 5 °C, 3 °C, 2 °C, 1 °C, and then 0 °C with about a 2 to 4 minute wait between set points. This permits the heat sink to remain cool.
  3. To minimize hot exhaust air from looping back to the cool air inlets which will hinder its low temperature capability, it is recommended to add two, 2 foot long hoses connected to either the inlets or outlets.

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