Specifications - Chauvin Arnoux C.A 876 Notice De Fonctionnement

5. SPECIFICATIONS

5.1 Electrical
Infrared
Temperature Scale: Celsius (°C) or Fahrenheit (°F) user-selectable
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Temperature Range: -4°F to 1022°F (-20°C to 550°C)
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Display Resolution: 0.1°C/°F or 1°C/°F
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Accuracy: ±2% of reading or ±6°F/3°C, whichever is greater at 64.4
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to 82.4°F (at 18 to 28°C) ambient operating temperature.
Temperature Coefficient: Changes in accuracy operating temperature
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above 82.4°F/28°C or below 64.4°F/18°C: ±0.2% of reading or ±0.36°F/
0.2°C, whichever is greater.
Response Time: 1 second
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Laser: Red, <1mW (670nm) Class II, 2 - 50ft Range.
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Spectral Response: 6 to 14µm nominal
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Emissivity: Pre-set at 0.95, user selectable from 0.10 to 1.00
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Detection Element: Thermopile
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Optical Lens: Fresnel Lens
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Field of View (FOV) ratio: 10:1 (Distance: Diameter)
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K Type
Temperature Scale: Celsius (°C) or Fahrenheit (°F) - User-selectable
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G Temperature range of the instrument in function of the K type
thermocouple chosen (see § 6) : - 40 to +1350°C (-40 to 2000°F)
-40 to 200°C (-40 to 392°F) with the K type thermocouple supplied
as standard.
G Resolution: 0.1°C/°F or 1°C/°F
G Accuracy (meter): -40°C to 1350°C: ±(0.1% rdg ± 1°C) on -40°F
to 2000°F: ±(0.1% rdg ± 2°F) (Accuracy is specified for operating
temperatures over the range of 18°C to 28°C, for 1year, excluding
the sensor)
Temperature Coefficient: 0.1 times the applicable accuracy
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specification per °C from 0°C to 18°C and 28°C to 50°C
Input Protection: 24VDC or 24Vrms maximum input voltage on any
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combination of inputs.
Sample Rate: 2.5 times per second.
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Input Connector: Standard miniature thermocouple connectors (flat
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blades spaced 7.9mm, center to center).
Temperature Response: Temperature indication follows Reference
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Temperature/Voltage Tables N.I.S.T. Monograph 175 Revised to ITS
-90 for K-type thermocouples.
5.2 General specifications
G Display: 3½ digit liquid crystal display (LCD) with maximum reading
of 1999
G Over-Range: (OL) or (-OL) is displayed
Low battery indication: " symbole batterie " is displayed when the
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battery voltage drops below the operating level
G Sample rate: 2.5 times per second, nominal.
Environment:
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Operating: 32°F to 122°F (0°C to 50°C) at < 80% relative humidity
Storage: -4°F to 140°F (-20°C to 60°C), 0 to 80% RH with
battery removed from meter
Auto power OFF: 15 seconds approx.
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Altitude: 2000m max.
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G Input Protection: 24VDC or 24rms maximum input voltage on any
combination of inputs.
G Battery: Standard 9V battery (NEDA 1604, IEC 6F22 006P , or equivalent)
Battery Life: 100 hours (continuity) typical with carbon-zinc battery
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(Back-Light not illuminated)
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