TIME
REC
HOLD
C
F
T1
K-TYPE
T2
POWER-UP OPTIONS
SETUP
CLOCK
INTV
C
F
0
TEMP: 20 C
HUMIDITY:
(
328
200
4
)
F
60 C
2498
1370
%RH
140
F
100
F
C
REC
GNV-720
GNV-725
Humidity Temperature Meters
User Manual
Global Specialties
Table Contents
Safety.............................................................................................................2
Compliance and Certications....................................................................2-3
Introduction....................................................................................................3
Specications ................................................................................................4
Instrument and Display Description...............................................................5
Operating Instructions.................................................................................6-7
Software Installation.......................................................................................7
Using the Software.........................................................................................8
Calibration Instructions..............................................................................9-10
Warranty/Service Information.......................................................................11
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Unauthorized duplication of Global Specialties documentation materials
is strictly prohibited. Customers are permitted to duplicate and distribute
Global Specialties documentation for internal educational purposes only.
Safety
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Safety
To avoid personal injury and/or product damage, review and comply with
the following safety precautions. These precautions apply to both operating
and maintenance personnel and must be followed during all phases of
operation, service, and repair of this meter.
Dry Conditions
Hands, shoes, oor, and work bench must be dry. Avoid making
measurements with dampness, or other environmental conditions that might
affect safety.
Cleaning
Use a soft cotton cloth lightly moistened with a mild solution of detergent
and water. Do not allow any portion to be submerged at any time. Dry
thoroughly before attempting to make measurements. Do not use solvents
or expose to solvent fumes as they may cause deterioration or damage.
Do not operate:
• In the presence of noxious, corrosive, flammable fumes, gases,
vapors, chemicals, or finely-divided particulates.
• In environments where there is a danger of any liquid being spilled
on the meter.
• In air temperatures exceeding the specified operating temperatures.
• In atmospheric pressures outside the specified altitude limits or
where the surrounding gas is not air.
Compliance and Certications
CE Compliance
This product meets the essential requirements of the applicable European
Directives as follows:
• 89/336: Electromagnetic Directive (EMC)
• 2011/65/EU: Restriction of Hazardous Substances Directive (RoHS)
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Disposal
(Applicable in the European Union and other European
countries with separate collection systems). This product is
subject to Directive 2012/19/EU of the European Parliament
and the Council of the European Union on waste electrical and
electronic equipment (WEEE), and in jurisdictions adopting that
Directive, is marked as being put on the market after August
13, 2005, and should not be disposed of as unsorted municipal
waste. Please utilize your local WEEE collection facilities in the
disposition of this product.
Caution! Refer to the operating instructions.
Introduction
The GNV-720 and GNV-725 are digital humidty, temperature meters that
measure relative humidity and ambient temperature as well as employing a
“K” type thermocouple for more precise contact temperature measurements.
The GNV-725 expands the capabilities with data logging functionality.
Kit Includes
This meter comes with the following:
• Instruction manual
• PC software (only with GNV-725)
• RS-232 cable (SE-300, only with GNV-725)
• 9 V battery
• Carrying case
• Probe holder
• K type bead thermocouple (CT3240*)
*The CT3240 is rated for - 50˚C to 200 ˚C. For higher temperature
measurements please order the CT3241.
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