• Temperature measurement
range:-10~60°C/14~140°F
• Humidity measurement
range :0~100% RH
• Light weight
• MAX/MIN modes,
• Low battery indication
• Auto power off
OPERATOR’S MANUAL
ORDER CODE: OXD-312-5666K
CZ HU PL SK TH cromwell.co.uk
SAFETY INFORMATION
1. Please check the Meter before using
and beware of any damage or abnormal
phenomenon.
If you find the case is damaged or the LCD
shows nothing, or you consider that the
meter could not work properly anymore,
please stop using it.
2. Observe the operating instructions
while measuring.
3. Do not open the Meter at will or change internal
wiring to avoid damages to the meter.
4. When the LCD displays
replace the
batteries. Remove the batteries if the Meter
is not used for a long time.
5. Do not store or use the meter in high
temperature, high humidity, flammable,
combustible, or strong electromagnetic
environment.
6. Please use soft cloth and neutral detergent
to clean the case.
GENERAL INFORMATION
• LCD: 4 digit LCD display
• Overload indication: When humidity is
greater than 99.99%RH , “100.0%RH” will
be displayed. When the temperature is
greater than 60°C or lower than -20°C,
“OL” will be displayed.
• Low battery indication: Prompt
Batteries should be replaced.
• Sampling rate: 1/s
• Sensor type: High-accuracy digital
temperature and humidity module.
• Power requirement: 1.5V batteries (AAA) x3
• Product size: 155 x 50 x 28mm
• Weight: 102g
ENVIRONMENT SPECIFICATION
• Altitude height: 2000m
• Safety: EN61326-1
• Pollution level: 2
• Working temperature and humidity:
0°C -40°C (not greater than 90%RH)
• Storage temperature and humidity:
-20°C~60°C (not greater than 75%RH)
ELECTRICAL SPECIFICATIONS
• Accuracy: humidity:
±5%RH (normal temperature
condition) temperature: ±1.0°C(normal
temperature condition)
• Environment temperature: 23°C ±3°C
• Environment humidity: ,≤90%RH
GENERAL MAINTENANCE
Warning: To avoid affecting device
accuracy or damage to the Meter, do not
open the Meter
• Maintenance and service of the
meter should be accomplished by
professional personnel or designated
maintenance department.
• Clean the case with a dry cloth
periodically, but detergent with
abrasive or solvent composition shall
not be used.
TECHNICAL SPECIFICATION
MINI TEMPERATURE
& HUMIDITY METER
Product Features
Display Interface
1. Temperature
and humidity
sensing module
2. Meter case
3. LCD display
4. Function keys
5. Display Interface
1. Maximum measurement
2. Minimum measurement
3. Data hold
4. Low battery
5. Relative humidity
6. Celsius
7. Fahrenheit
8. Temperature value
9. Humidity value
KEY FUNCTIONS AND SETUP
ON/OFF:
Press once to start up and press again to
power off.
Note: Product’s auto power off feature can
be disabled: Press and hold “HOLD” and
then press “ON/OFF” key to enable/disable
auto power off, LCD will display “APO OFF” to
indicate status.
°C/°F:
Unit conversion key: Short press this key to
select Celsius or Fahrenheit at the time of
measuring.
MAX/MIN:
Pressing this key can select maximum,
minimum or normal value measurement.
Select maximum and the Meter will
always show the maximum reading. Select
minimum and the meter will show minimum
reading.
HOLD/BL:
HOLD: Press this key once to hold the
measurement; press this key again to
exit data hold and continue normal
measurement.
BL: Keep pressing this key to turn on the
backlight. Press this key again to turn off
backlight.
BATTERY INSTALLATION AND
REPLACEMENT
• The Meter uses 3 x AAA 1.5V batteries.
Please see figure 1 for steps of battery
installation and replacement.
• Slide the panel down, open the battery
cover in the direction of the arrow,
and remove the batteries. Install new
batteries in accordance of polarity
indications.
• Please use batteries of same type.
• Close the cover tightly after installing
new batteries.
THE ENVIRONMENT
Always dispose of unwanted tools, accessories and packaging
materials in an environmentally friendly manner.
In observance of European Directive on Waste Electrical
and Electronic Equipment (WEEE) and its implementation
in accordance with national law, electrical goods that have
reached the end of their life must be collected separately and
returned to an environmentally compatible recycling facility.
Do not dispose of electrical goods with domestic waste
materials as inappropriate disposal may cause potential
hazards to the environment and human health.
For further information, please contact your local authority
or the retailer from whom you purchased the product.
QUALITY GUARANTEE & WARRANTY
OXFORD PRECISION products carry a one year manufacturer’s warranty.
OXFORD PRECISION products are designed & manufactured
to the highest standards & specifications.
Assuring the quality and performance required by all sectors of industry.
OXFORD PRECISION products are fully guaranteed
against faulty materials & workmanship.
Should they be found to be defective, they will either be repaired or
replaced free of charge (fair wear and tear and/or misuse excepted).
Please retain supplier invoice as proof of purchase.
DECLARATION OF CONFORMITY
We hereby certify that the OXFORD MINI TEMPERATURE
& HUMIDITY METER (ORDER CODE: OXD-312-5666K)
Complies with all the relevant provisions of the
EMC Electromagnetic Compatibility Directive 2014/30/EU
Standards Applied: EN61326-1:2013, EN61326-2-2:2013
RoHS2 Restriction of Hazardous Substances Directive 2011/65/EU
Signed:
Date: September 2019
Name: Toni Johnson
Position: Compliance Director.
OXFORD PRECISION
P.O. Box 14, Wigston, Leicester,
England, LE18 1AT.
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