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Fluke 9118A Thermocouple Calibration Furnace

Features

High performance furnace for thermocouple calibrations to 1200 °C

The Fluke Calibration 9118A Thermocouple Calibration Furnace is a horizontal, open-ended tube furnace with a temperature range of 300 °C to 1200 °C. It is used for comparison calibration of noble and base-metal thermocouples by secondary high-temperature labs and instrument shops in industries such as aerospace, automotive, energy, metals, and plastics. The 9118A is the most accurate, reliable, and flexible furnace in its class, meeting the demanding requirements of high-temperature thermocouple calibration.   

 

Specs

Operating conditions

Operating temperature 5 °C to 40 °C
Storage temperature –20 °C to 70 °C
Humidity 80 % maximum for temperatures <31 °C, decreasing linearly to 50 % at 40 °C
Altitude <2,000 m (6,562 feet)
Power requirements 230 V ac (±10 %), 50/60 Hz, 20 A
Heater power 4000 watts at 230 V ac

Over-current protection

System 20 A, 250 V resettable circuit breaker
Main heater fuse F 12 A, 250 V
Zone heater fuse F 12 A, 250 V
Computer interface RS-232 and USB
Display Monochrome LCD, °C or °F user-selectable
Display resolution 0.1 °C or °F
Size (H x W x L) 400 mm x 337 mm x 700 mm (15.7 in x 13.3 in x 27.6 in)
Net weight 29 kg (63.9 lb) without isothermal block
Isothermal block (optional)
Isothermal block construction Alumina
Block outer diameter 37 mm (1.5 in)
Block length 380 mm (15.0 in)
Well diameter (four wells total) 6.7 mm (0.26 in)
Well depth 365 mm (14.4 in)
Net weight 0.84 kg (1.9 lb) isothermal block only

Accuracy specifications

All accuracy specifications except temperature are for a period of 1 year after calibration, at 13 °C to 33 °C
The furnace can be used with or without an Isothermal Block installed. Unique calibration parameters are necessary for each configuration. Calibration does NOT come standard from the factory for each configuration. Ensure that the furnace has been properly calibrated for the desired mode of operation.
Furnace temperature range 300 °C to 1200 °C
Set-point accuracy ± 5 °C

Radial uniformity

Temperature 9118A (14 mm from geometry central point) 9118A-ITB (hole to hole)
300 °C ± 0.5 °C ± 0.1 °C
700 °C ± 0.5 °C ± 0.20 °C
1200 °C ± 0.5 °C ± 0.25 °C

Axial uniformity

Temperature 9118A (± 30 mm axial length from geometry central point) 9118A-ITB (at 60 mm from full immersion)
Full range ± 0.25 °C ± 0.2 °C

Temperature stability

Specification 9118A 9118A-ITB
Stability ± 0.2 °C ± 0.1 °C
Stabilization time 2 hours, full range 3 hours at or below 700 °C 2 hours above 700 °C

Note: Temperature stability measured as 2-sigma over 30 minutes
  9118A 9118A-ITB
Heating time (23  °C to 1200 °C) 40 minutes 45 minutes
Cooling time (1200 °C to 300°C) 180 minutes 200 minutes

 

Models

Model Name Description Price
FLUKE 9118A Thermocouple Calibration Furnace Get a Quote
FLUKE 9118A-ITB Thermocouple Calibration Furnace with Isothermal Block Get a Quote

 

Accessories

Model Name Description Price
9118A-3118A-1 9118A Isothermal Block, 6.35 mm (0.25 in) wells x 4 Get a Quote

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