© July 2023 Van Essen Instruments. All rights reserved.
www.vanessen.com
6
2
Technical Specification
General
The Baro-Diver is used for atmospheric pressure and temperature measurements. There are four TD-
Diver models with different pressure ranges for pressure and temperature measurements. The table
below lists the general specifications of the Baro-Diver and TD-Diver.
Diameter
Ø 22 mm
Length (incl. suspension
eye)
~ 110 mm
Weight
~ 104 grams
Materials
Casing
Pickled and passivated 316L stainless steel
Pressure sensor
Alumina (Al
2
O
3
)
Suspension eye
nose cone
Nylon PA6 glass fiber reinforced 30%
ABS
O-rings
Viton®
Communication
Interface
Optically separated
Protocol
Serial RS232, a limited set of commands is available as specified in Appendix
II
Memory capacity
144,000 measurements
working
72,000 measurements
backup
72,000 measurements
Memory
Non-volatile memory. A measurement consists of
date/time/pressure/temperature
continuous and fixed length memory
Battery life*
Up to 10 years, depending on use
Theoretical battery
capacity
10.5 million measur 1000× full memory re
2000× programming
Clock accuracy
Better than ± 1 minute per year at 25
C
Better than ± 5 minutes per year within the operating temperature range
CE marking
EMC in accordance with the 89/336/EEC directive
Basic EN 61000-4-2 standard
Emissions
EN 55022 (1998) + A1 (2000) + A2 (2003), Class B
Immunity
EN 55024 (1998) + A1 (2000) + A2 (2003)
* The Diver is always in stand-by when not making a measurement. The power consumption of the
integrated battery is dependent on the temperature and usage.
