OPERATION MANUAL
Technical changes reserved
0141 0316-127 20.04.2016
HM309 portable measuring device
Description
Features
• for measuring relative humidity and temperature
•
temperature resistant to 80°C (briefly to 130°C)
•
measurement range 0 ... 100% RH and 40 ... 80°C
• absolute humidity calculation, dew point calculation
• min./max. value memory
• hold function
•
automatic shutoff and configuration
• calibration function
• USB port
• cordless or plug-in operation
Applications
• conditioning chamber
• hop kiln
• stationary installation
• dryers
• quality assurance
•
climate monitoring (indoor)
Technical data
Humidity measurement (depending on sensor, data apply to 1308 STD)
Humidity measurement range 0 ... 100% RH
Humidity resolution (display) 0.1% RH
Humidity resolution
(interface)
0.01% RH
Precision
±2
% RH
Reaction time
10 sec.
Temperature measurement
(depending on sensor, data apply to 1308 STD)
Temperature measurement
range
-40 ... 80°C
Temperature resolution
0.1°C or 0.1°F
Temperature resolution
(interface)
0.01°C
Precision
±0.5°K
Reaction time
10 sec.
General
Measurement rate
2 measurements per second (2 Hz)
Special function
Measurement of absolute humidity
and dew point (also pressure dew
point), measurement value storage,
minimum and maximum value storage,
USB port, battery monitoring
automatic shutoff
Battery
9 V, alkaline IEC 6252
approx. 100 hours operating time
Operating temperature
0 ... +50°C
Display
two-line LCD display 37 mm x 42 mm
Interface
4800 Bd, 8N1 (RS232 compatible)
Dimensions
181 x 71 x 38 mm (without plug)
Housing
ABS, black
Scope of delivery
Battery, operating manual
Accessories
Special sensor, pressure dew point
sensor, carrying case, calibration
sets, PC cable, software, bat-
tery set, charger, power adapter
Note: suitable probes on site 6
CE conformity
2014/30/EU
EMC emitted interference
EN 61000-6-3:2011
EMC interference immunity
EN 61000-3-1:2007
Item
Item No.
HM309 portable measuring
device
HM309-USB
B+B Thermo-Technik GmbH | Heinrich-Hertz-Str. 4 | D-78166 Donaueschingen
Fon +49 771 83160 | Fax +49 771 831650 | [email protected] | bb-sensors.com
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