Fluke Calibration 9103/9140 Field Dry-Well

$2,640.00

The Fluke Calibration 9103 and 9140 Field Dry-Wells are portable temperature calibration sources designed for accurate and efficient field verification of temperature instruments and sensors. Their interchangeable inserts accommodate a wide range of probe sizes for flexible calibration work.

The 9103 provides low-temperature calibration down to -25°C, while the 9140 delivers mid-range temperatures up to 350°C, allowing users to select the appropriate model for their calibration requirements.

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The Fluke Calibration 9103/9140 Field Dry-Well series provides portable, fast, and stable temperature sources for calibration and verification of temperature measurement devices in industrial and laboratory environments. The dry-wells are designed for field use, allowing technicians to perform temperature calibration without transporting sensors or instruments back to a laboratory.

The series consists of two temperature ranges. The Fluke 9103 is a low-temperature field dry-well covering -25°C to 140°C, making it suitable for calibration applications requiring below-ambient temperatures. The Fluke 9140 is a mid-temperature dry-well covering 35°C to 350°C, providing a higher temperature range in a compact and lightweight format.

Both models are designed to improve calibration productivity through adjustable heating and cooling rates, interchangeable inserts, and thermal switch testing. Multiple insert configurations allow different probe diameters to be accommodated, including comparison inserts for calibrating multiple probes.

The 9103 provides stability down to ±0.02°C and display accuracy of ±0.25°C, while the 9140 provides stability up to ±0.05°C and display accuracy of ±0.5°C across its specified operating range. Both models use a 124 mm immersion depth and provide approximately 7 minutes of stabilization time under specified conditions.

For calibration documentation and process automation, both dry-wells include an RS-232 interface and support Fluke's Interface-it software. The software can provide set-point and ramp-rate control, real-time temperature logging, electronic strip charts, and automated thermal switch testing with data collection. Each unit is factory tested and supplied with a NIST-traceable calibration certificate.

Key Features

  • Portable field dry-well temperature calibrator
  • Designed for on-site temperature calibration
  • Fluke 9103: -25°C to 140°C
  • Fluke 9140: 35°C to 350°C
  • 9103 stability as low as ±0.02°C
  • 9140 stability as low as ±0.05°C
  • Adjustable heating and cooling rates
  • Multiple interchangeable calibration inserts
  • 124 mm immersion depth
  • Thermal switch actuation testing
  • RS-232 computer interface
  • Interface-it software compatibility
  • Real-time temperature logging
  • Set-point and ramp-rate control
  • Automated thermal switch testing
  • NIST-traceable calibration certificate included
  • Compact design for field calibration
  • Suitable for industrial and laboratory temperature calibration

Model Selection

Fluke 9103

  • Temperature range: -25°C to 140°C
  • Stability: ±0.02°C at -25°C
  • Display accuracy: ±0.25°C
  • Weight: approximately 5.7 kg
  • Recommended for low-temperature and below-ambient field calibration.

Fluke 9140

  • Temperature range: 35°C to 350°C
  • Stability: ±0.03°C at 50°C to ±0.05°C at 350°C
  • Display accuracy: ±0.5°C
  • Weight: approximately 2.7 kg
  • Recommended for portable mid-temperature calibration applications.

Typical Applications

  • RTD calibration
  • Thermocouple calibration
  • Temperature probe verification
  • Industrial temperature sensor calibration
  • Thermal switch testing
  • Process instrumentation calibration
  • Field temperature calibration
  • Preventive maintenance
  • Calibration laboratory work
  • Temperature measurement verification

Specifications

Specifications 9103 9140
Range–25°C to 140°C (–13°F to 284°F) at 23°C ambient35°C to 350°C (95°F to 662°F)
Accuracy±0.25°C (holes greater than 1/4" [6.35mm]: ±1°C)±0.5°C (holes greater than 1/4" [6.35mm]: ±1°C)
Stability±0.02°C at –25°C
±0.04°C at 140°C		±0.03°C at 50°C
±0.05°C at 350°C
Well-to-well uniformity±0.1°C between similarly sized wells±0.1°C with similarly sized wells
Heating times18 minutes from ambient to 140°C12 minutes from ambient to 350°C
Cooling times20 minutes from ambient to –25°C15 minutes from 350°C to 100°C
Stabilization time7 minutes7 minutes
Immersion depth124 mm (4.875 in)124 mm (4.875 in)
InsertsInsert A, B, C, or D included (specify when ordering)
Outside insert dimensions31.8 mm dia. x 124 mm (1.25 x 4.88 in)
Computer interfaceRS-232 included with free Interface-it software (Model 9930)
Power115 V AC (±10%), 1.3 A or 230 V AC (±10%), 0.7 A, switchable, 50/60 Hz, 150 W115 V AC (±10%), 4.4 A or 230 V AC (±10%), 2.2 A, switchable, 50/60 Hz, 500 W
Size (W x H x D)143 x 261 x 245 mm (5.63 x 10.25 x 9.63 in)152 x 86 x 197 mm (6 x 3.375 x 7.75 in)
Weight5.7 kg (12 lb)2.7 kg (6 lb)
NIST-traceable certificateData at –25°C, 0°C, 25°C, 50°C, 75°C, 100°C, and 140°Data at 50°C, 100°C, 150°C, 200°C, 250°C, 300°C, and 350°C

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