General Specifications
The Model 4000 EXP is a humidity and temperature calibrator with traceability to NIST under ISO 17025. Calibration is charged separately.

Controlled Range
Temperature: Ambient +/-5 °C
Humidity at 18 °C: 10% to 70% RH
Humidity at 23 °C: 10% to 90% RH
Humidity at 28 °C: 10% to 70% RH

Calibration System Accuracy
Temperature: +/- 0.3 °C or better
Humidity: +/- 3.0% RH or better

Controller Type
PID Controller

Uniformity
Temperature: 0.3 °C at 23°C
Humidity: 3.0% RH at 23°C

Stability
Temperature: 0.2 °C
Humidity: 1% RH at 23°C

Resolution Display
Temperature: 0.1 °C
Humidity: 0.1% RH

Ramp/Soak Rate of Change
Temperature: 1 °C/minute (typical)
Humidity: 1% RH/minute (typical)

Consumables
Water Reservoir: 600 ml, requires distilled water, refill period approximately 1 week.
Desiccant: Molecular sieve, replacement frequency depends on workload.

Recalibration Frequency
Recommended once per year, depends on user uncertainty requirements.

Mechanical and Electrical
Body Enclosure: Powder-coated aluminum
Generator Dimensions: 51.43 cm x 41.76 cm x 83.21 cm (20.25 in x 16.44 in x 32.76 in)
Chamber Dimensions: 20.03 cm x 31.77 cm x 53.41 cm (7.89 in x 12.51 in x 21.03 in)
Chamber Enclosure: Insulated acrylic, capacity 30 liters
Weight: 28 kg (61.75 lb)
Power Supply: Universal 100 - 260 VAC - 50/60 Hz
External Interface: USB Cable

Accessories
Various door shapes and connector types available, including M36 and Slimline connectors.
Grommets available in multiple sizes.
Additional accessories include external desiccant, shelf, and spring-loaded accessory.

Ordering Information
Standard supply package available. Contact GeoCalibration for sales and support.

Contact Information
Email: [email protected]
Website: www.GeoCalibration.com
Phone: (631) 471 - 6157
Address: 2190 Smithtown Ave, Ronkonkoma NY 11779, USA

© 2019 GEO Calibration Inc. All rights reserved. Proudly made in the USA.