1. LSI LASTEM HEAT SHIELD VS. QUESTEMP 34 AND 36
Author: Federico Pasquini
MILAN - October 2, 2014
PRESENTATION
© copyright LSI LASTEM S.r.l. Settala (MI) Italy |

2. English, Spanish, Portuguese, Italian
QT34
QT36
Measurements
Dry bulb, wet bulb and globe temperatures, relative humidity
Air velocity
WBGT (indoor&outdoor) index
Head-Torso-Ankle Weighted Average WBGT
Heat index / HUMIDEX
PMV-PPD (Thermal comfort)
Predicted Heat Strain (Heat stress)
Insulation Required (Cold stress)
Temperature reading: Celsius or Fahrenheit
Data logging intervals
1sec-12hrs
1, 2, 5, 10, 15, 30 or 60 minutes
Automatic start/stop
Only via software
Time & date stamping
Memory
8MB
Display languages
English, Spanish, Portuguese, Italian
English
Slide - 1

3. HS QT34 QT36 Slide - 1 Sensors Dry bulb temperature accuracy
±0.4°C (10-40°C) - ±0.5°C (0-50°C)
±0.7°C (0-60°C)
±0.5 (0-120°C)
Dry bulb radiant screen
Meteorological grade
Standard
Wet bulb temperature accuracy
±0.3°C (0-120°C)
Globe temperature accuracy
Relative humidity accuracy
±1.8 %RH (10-90%)
±5 %RH (20-90%)
Air velocity accuracy (Hot wire anemometer)
±0.1 m/s (0,5÷1,5 m/s)
<±4% (1,5÷20 m/s)
±(0.1 m/s + 4%) from 0 to 20 m/s
Wind speed acc. (Cup anemometer)
2.5%
Not supported
Connection to external arrays
Technology
Wireless
Cable
Max. distance
300m LOS
61m
Power
Source
2 A (4.2 V) Lithium rechargeable
1) 9V disposable batteries – 2) NiMH rechargeable battery
Battery life (Standalone unit)
400 hrs
1) 140 hrs – 2) 300 hrs
Battery life (w/ external units)
Radio ON: 24 hrs
Other features
Environmental limits
-20÷60 °C
Sensor assembly: -5÷100 °C - Electronics:-0÷60 °C
Protection
IP54
Standards / Approvals
CE Mark
Intrinsic Safety, UL/CSA standards for Class I groups A, B, C & D, Class II groups E, F & G, Class III temperature code T3 & ATEX – CE Mark
Price
Model with 6 inch globe
$2,800
$3,131
$3,389
Model with 2 inch globe
$2,590
$2,751
$3,014
Anemometer
$1,134 -
$1,973
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4. Headquarter LSI LASTEM S.r.l. 20090 Settala (MI) Italy
tel.: fax: |