1. FEATURES Operation manual ........................... 1pc.

* Used the exclusive MICRO-COMPUTER LSI 2.2 Technical Parameters 3. PRONT PANEL DESCRIPTIONS
circuit and crystal time base to offer the high Sensor type:
accuracy measurement & fast measuring time. Humidity: Capacitor
* Wide measuring range & high resolution. Temperature: Resistor
* Digital display gives exact reading with no guessing Dew Point Temp. range:
or errors. -40°C~40°C (-40°F~104°F)
3-8
* The last values/max. values/min. values of both Dew Point Temp. resolution: 0.1°C 3-2 3-9
DEW POINT METER Humidity and Temperature will be automatically
stored in memory and can be displayed by turn.
Dew Point Temp. accuracy: ±1°C
R.H range: 10%~95% 3-3
* The use of durable, long-lasting components, R.H resolution: 0.1%R.H
HT-6292 including a strong, light weight ABS-plastic housing R.H accuracy: 2.5 %±1%R.H
3-4

assures maintenance free performance for many Temp. range: -10°C~60°C (14°F~140°F) 3-6
years. The housing has been carefully shaped to fit Temp. resolution: 0.1°C / 0.1°F
comfortably in either hand. Temp. accuracy: ±0.5°C 3-10
* With auto power off and manual power off function. 3-11
2. SPECIFICATIONS 3-1 3-5
2.1 General Parameters
Display: LCD( Liquid Crystal Display)
with function annunciation
3-7
Parameters Measured:
This Dew Point Meter is small in size, light in weight, Fig. 1
Humidity, Temperature, Wet Bulb
easy to carry. Although complex and advanced, it is 3-1 Sensor 3-7 Battery Cover on the Back
Temperature, Dew Point Temperature
convenient to use and operate. Its ruggedness will 3-2 Display 3-8 Max. Value Indicator
allow many years of use if proper operating
Sampling Time : 0.4 second
3-3 Battery Indicator 3-9 Measurement Value
techniques are followed. Please read the following Memory: Last values, Max. Values, Min values
3-4 Power/Max. Hold Key 3-10 Dew Point Temp. Key
instructions carefully and always keep this manual Battery : 4x1.5v AAA (UM-4) battery
3-5 Humidity Key 3-11 Temp. Key
within easy reach. Size: 161X69X32mm ( 6.3x2.7x1.3 inch ) 3-6 Unit Conversion Key
Weight: 300 g / 0.66 lb (Including Batteries)
Accessories:
Carrying case ................................... 1pc.
1 2 3

4. MEASURING PROCEDURE power on the Meter.

4.1 Sensor Installation 4.3.2 Press the Temp. Key(3-11).
No Pressure Pipe (With Gas to be Measured)
The instrument can be applied to the gas in high 4.3.3 The Temperature value is shown on the display
pressure pipeline, and can also be applied to the










and ‘°C’ or
‘°F’
is the temperature unit.
gas in the no pressure pipeline. The installation 4.3.4 It takes minutes to stabilize if the environment
method of the two kinds of pipelines are different, is changed.
the specific method is shown in Fig. 1, fig. 2. Pay 4.3.5 After the measurement, press the Power / Max.
attention to arrange the direction of gas flow Hold Key (3-4) to power off.
accord with the direction of arrow on the bottom
4.4 Dew Point Temperature Measurement
of sensor.

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High Pressure Pipeline (With Gas to be Measured)
Sensor

Air Pump
4.4.1 Press the Power / Max. Hold Key (3-4) to
power on the Meter.
4.4.2 Press the Dew Point Temp. Key(3-10).
4.4.3 The Dew Point Temperature value is shown on
the display and ‘°C’ or
‘°F’
is the temperature
unit.
4.4.4 It takes minutes to stabilize if the environment
Fig.2 No Pressure Piping Installation Diagram is changed.
4.2 Humidity Measurement 4.3.5 After the measurement, press the Power / Max.
Pressure Reducing Valve
4.2.1 Press the Power / Max. Hold Key (3-4) to Hold Key (3-4) to power off.
power on the Meter. 5. AUTO POWER OFF / MANUAL POWER OFF
4.2.2 Press the Humidity Key(3-5). 5.1 Auto Power Off
0~60L/h Air Pressure
4.2.3 The humidity value is shown on the display and 5.1.1 Press and hold the Power / Max. Hold Key (3-4)
Sensor ‘RH%’ is the humidity unit. for about 9 seconds, the indicator ‘AUΓO’ is
4.2.4 It takes minutes to stabilize if the environment displayed on the screen. Release the key, the
is changed. value ‘10’ or ‘0’ is displayed.
4.2.5 After the measurement, press the Power / Max. 5.1.2 The value ‘10’ indicates that the instrument will
Hold Key (3-4) to power off. be powered off automatically in 10 minutes if
4.3 Temperature Measurement there is no operation. While the value ‘0’
4.3.1 Press the Power / Max. Hold Key (3-4) to indicates no auto power off.
Fig.1 High Pressure Pipeline Installation Diagram
4 5 6
5.1.3 Press the Humidity Key (3-5) or the Temp. Key the instrument and remove the batteries.
(3-11) to convert between the value ‘10’ and the 8.3 Install the batteries (4x1.5v AAA/UM–4) correctly
value ‘0’. into the case.
5.1.4 Press the Power / Max. Hold Key (3-4) to save 9. HUMIDITY CORRECTION FUNCTION
and quit. 9.1 The instrument has humidity correction function.
5.2 Manual Power Off 9.2 When it is necessary to correct the humidity value,
Press and hold the Power / Max. Hold Key (3-4) for press and hold the Humidity Key (3-6) for about 5
about 3 seconds, the indicator ‘OFF’ is displayed seconds, a beep. Then release the key, the coupling
on the screen. Release the key, the instrument is signal ‘ ’, the value ‘0.0’, and the humidity unit
powered off. ‘RH%’ are displayed on the screen.
6. MAX. VALUE HOLD FUNCTION 9.3 For each press the Humidity Key (3-6), the
Press and hold the Power / Max. Hold Key (3-4) for correction value is increased by 0.5. For each press
about 1 second, then release it. The ‘Max. Value the Temp. Key (3-11), the correction value is
Indicator’ on the display indicates it is in Max. decreased by 0.5. The correction value can be set
Value Hold Mode. from -7.0 to 7.0.
7. HUMIDITY / TEMPERATURE ALTERNATELY 9.4 After the adjustment of the correction value, press
DISPLAY FUNCTION the Power / Max. Hold Key (3-4) to save and quit.
7.1 Press and hold Power / Max. Hold Key (3-4) for 10. TEMPERATURE CORRECTION FUNCTION
about 5 seconds. ‘ΓUrn’ sign is shown on the 10.1 The instrument has temperature correction
display. Then release the key. Humidity and function.
Temperature is alternately displayed. 10.2 When it is necessary to correct the temperature
7.2 At this time, use the Humidity Key(3-5), value, press and hold the Temp. Key (3-11) for
Temperature Key(3-11), or Unit Conversion Key about 5 seconds, a beep. Then release the key, the
(3-6) to call out the intended data. coupling signal ‘ ’, the value ‘0.0’, and the
7.3 To quit this mode, press and hold Power / Max. temperature unit ‘°C’ are displayed on the screen.
Hold Key (3-4) for about 5 seconds. ‘ΓUrn’ sign 10.3 For each press the Humidity Key (3-6), the
is shown on the display. Then release the key.
correction value is increased by 0.3. For each
8. BATTERY REPLACEMENT
press the Temp. Key (3-11), the correction value is
8.1 When it is necessary to replace the battery, the
decreased by 0.3. The correction value can be set
battery symbol will appear on the Display.
from -2.1 to 2.1.
8.1 Slide the Battery Cover ( Fig. 1 , 3-7) away from
7 8

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