Vaisala TSS928 Technical data
Vaisala Thunderstorm
Local Lightning Sensor TSS928
www.vaisala.com
TM
Vaisala TSS928™ accurately reports
the range and direction of cloud-toground lightning and provides cloud
lightning counts.
Vaisala TSS928™ is a local-area lightning detection sensor that can be integrated
with automated surface weather observations.
Features/Benefits
Meets ASOS requirements for
▪
lightning range and bearing
Detects and reports range and
▪
bearing of cloud-to-ground
lightning
Detects and counts cloud
▪
lightning
AC, DC, and DC/AC power
▪
options
Data format supports direct
▪
interface with common
communication systems
Self-diagnostics features for
▪
checking sensor function status
Sustained performance in
▪
extreme weather conditions
Modular design allows easier
▪
field service and on-site
maintenance
Vaisala TSS928TM oers
superior performance
in local area lightning
tracking
Lightning-sensitive operations rely on
Vaisala TSS928™ sensors to provide
critical local lightning information,
both for meteorological applications
as well as threat data, to facilitate
advance warnings, initiate safety
procedures, and isolate equipment
with full condence. The patented
lightning algorithms of the Vaisala
TSS928™ provide the most precise
ranging of any stand-alone lightning
sensor available in the world today.
The optical coincident requirement
eliminates reporting of non-lightning
events. ALARM, Automated Lightning
Alert and Risk Management System
software is used to visualize the
TSS928™ data.
Vaisala TSS928™ detects:
• Optical, magnetic, and electrostatic
pulses from lightning events with
zero false alarms
• Cloud and cloud-to-ground
lightning within 30 nautical miles
(56 km)
• Cloud-to-ground lightning classied
into three range intervals: 0-5; 5-10;
and 10-30 nautical miles (0-9, 9-19,
and 19-56 km)
• Cloud-to-ground lightning classied
into directions: N, NE, E, SE, S, SW, W,
and NW
Vaisala TSS928™ can be used to
integrate lightning reports with
automated weather observation
programs such as METAR.
Technical data
Detection Range
30-nautical miles (56 km) radius from sensor location
Range Resolution
0-5 nautical miles (0-9 km), 5-10 nautical miles (9-19km) and
10-30 nautical miles (19-56km) (range can be set in nautical miles
or kilometers).
Bearing Resolution
1° increments, 0° to 360°, reported by octant
Thunderstorm Detection Eciency
90% within 10 nautical miles with one discharge; 99% with two
discharges; 99.9% with three discharges
Electrical Specifications
AC Power 115VAC±10% to 230VAC±10%
DC/AC Power 11-32VDC, 115VAC±10%
DC Power 11-32VDC
Power Consumption 100 watts maximum
Standards/Approvals: UL, CSA, CE
Communications
Metallic or fiber optic links
Serial ASCII format
RS-232 and RS-422 serial at 9600 bps
Output via automatic one-minute preset weather messages,
instantaneous broadcast of data as event occurs or sensor can
store and be polled by user.
Support Services
Vaisala TSS928™ is fully supported by our Customer Support
Center, Technical Service Group, and Field Service Engineering
Team. Maintain optimal performance by purchasing a service
agreement customized to your unique system requirements.
Standard Warranty
Vaisala warrants all products manufactured by Vaisala to be free
from defects in workmanship or material for one year from the
date of delivery. Contact your Vaisala Sales Representative for
specific product warranty and service warranty details.
12" / 30.5 cm
23" / 58.5 cm
Suggested
62" / 157.5 cm
Suggested
Mounting Configuration
Ground mount option
Roof mount option with tripod
Frame mount for either roof or ground options
Height 3.0 m max height recommended
Environmental Conditions
Operating/Storage
Temperature Range -50°C to +50°C (with heater)
Maximum Wind Load 0–120 knots, 222 km/h
Humidity Tolerance 0% to 100%
Siting Requirements Flexible installation requirements.
Questions should be referred to your
distributor or your Vaisala sales representative.
For more information, visit
www.vaisala.com or contact
us at sales@vaisala.com
Vaisala TSS928™ Thunderstorm Sensor
Ref. B210326EN-E ©Vaisala 2009
This material is subject to copyright protection, with all
copyrights retained by Vaisala and its individual partners. All
rights reserved. Any logos and/or product names are trademarks
of Vaisala or its individual partners. The reproduction, transfer,
distribution or storage of information contained in this brochure
in any form without the prior written consent of Vaisala is strictly
prohibited. All specifications — technical included — are subject
to change without notice.
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