Kalibrierstrahler
M340

Kompakter tragbarer Flächen-Kalibrierstrahler mit hoher Auflösung und hoher Temperaturstabilität für niedrige Temperaturen -20 ... 150 °C

Kalibrierstrahler M340

Key Features

  • Compact, lightweight
  • Exceptional accuracy
  • High stability ±0.1 °C
  • High effective emissivity
  • Very fast slew rates – heat/cool
  • 51 mm (2”) aperture diameter
  • High uniformity
  • Easy to operate
  • Manufactured and tested to meet rigid quality control standards
  • Furnished with certificate of calibration traceable to NIST

Details

The M340 is a portable blackbody calibration source covering the range from sub-zero to 150 °C with 0.1° resolution. The thermoelectric heating/cooling mechanism is utilized to achieve a compact and easy-to-use blackbody source.

The M340 has unusually high temperature stability and a stabilization time of only 10 minutes. Source temperature is closely controlled by a self-tuning PID controller which displays temperature on a digital readout.

Typical Calibration Applications

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

Dokumentation

Technical Specifications

Measurement Specifications
Temperature Range -20 °C ... 150 °C
Temperature Uncertainty1 Standard Radiometric calibration:
± 1 °C @ 8 … 14 μm
Optional Thermometric calibration:
± 0.1 °C (only on 14750-4C & 14750-5C)
Display Accuracy vs. NIST Calibration See supplied NIST calibration report
Temperature Resolution 0.1 °C
Stability2 ± 0.1 °C per 8 hour period
Source Non-Uniformity3 ± 0.2 °C less than 100 °C, ± 1.3 °C greater than 100 °C
Heated Emitter Shape Flat Plate
Exit Port Diameter 51 mm (2.00 in)
Emissivity Radiometric calibration: 1.0 @ 8 … 14 μm
Thermometric calibration: ~ 0.98

Standard Calibration Method

Optional Calibration Method:

Radiometric (Pyrometric)


Thermometric
(only on 14750-4C & 14750-5C)

Temperature Sensor Precision platinum RTD
Warm-up Time4 ~ 6 minutes from ambient to –15 °C or 100 °C
Slew Rate to 1 °C Stability ~ 40°/min from ambient … 150 °C
~ 20°/min from 20 … 10 °C
~ 3°/min from -10 … -20 °C
Slew Rate to 0.1 °C Stability Approximately 2 minutes between Δ 10 °C setpoints (slightly longer T < -10 °C)
Communication / Interface
Remote Set Point Via RS232
Method of Control Digital Self Tuning PID Controller
Environmental Specifications
Operating Ambient Temperature5 5 °C ... 40 °C
Cooling Peltier Modules for heating and cooling
Operating Humidity 90% RH max, non-condensing in heating mode. Environment dew point must be less than setpoint when in cooling mode. (N2 purge connection available)
Dimensions (H x W x D) 167 mm x 280 mm x 280 mm
(6.5” x 11.0” x 11.0”)
Method of Mounting Bench/Table
Weight 7.1 kg (15.6 lbs)
CE Certified Yes
Electrical  
Power Requirements 115 V AC 50 & 60 Hz, 300 W maximum (optional 100 or 230 V AC)

1 Accuracy is defined for ambient temperature of 18 °C … 23 °C.
2 Provided stable AC mains voltage and minimum air flow across the exit port or emitter plate.
3 Emitter uniformity is defined for 1.6” (40 mm) diameter of central area.
4 Typical. Can vary from unit to unit.
5 To achieve low temperature setpoint of -20 °C, ambient must be ≤ 25 °C (77 °F).

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