TRIPLETT 8952 Hotwire Thermo Anemometer User Manual

TRIPLETT 8952 Hotwire Thermo Anemometer

Specifications

• Model: 8952
• Battery: 4 AAA batteries
• Functions: Air velocity, volume, and temperature measurement
• Probe: Telescopic tube & rubber grip

Product Usage Instructions:

Step 1: Installation
Install 4 AAA batteries into the battery compartment and press the power key to turn the meter on.
Step 2: Sensor Alignment
Locate the air IN marking on the sensing head and telescopic tube. Align the sensor to the airflow path through the duct cross-section.
Step 3: Measurement Process
Move the telescopic tube to measure speed at multiple duct depths. Ensure correct handling for accurate readings.
Step 4: Usage Tips
Avoid hitting the probe head to extend its lifetime. Always face the IN mark towards the wind source for precise results.

FAQ
Q: Can I change the probe of this hotwire anemometer?
A: The probe is permanently fixed with the meter and is not changeable.

OPERATION QUICK GUIDE

1. Step1 Install 4pcs AAA batteries and press power key to turn meter on and start to measure.

2. Step2 Recognize the air IN marking from sensing head and telescopic tube IN Air IN direction

3. Step3 Align the sensor to airflow path through correct handling

4. Step4 Moving telescopic tube to measure speed at multiple duct depth

INTRODUCTION

• Thank you very much for purchasing this hot wire anemometer. The meter is designed as battery operation for taking air velocity, volume and temperature.
• The robust air flow & temperature sensors are built in the external probe. The compact probe head is ideally designed for duct airflow. Duct temperature is compensated and has limited influence on air flow data.
• This anemometer is a micro processor- based design. A must device for HVAC engineers use. Features
• One of the most robust hot wire sensors on market to get accurate value and long sensor life time.
• 8mm dia. probe head with 1M long telescopic tube. Enclosed with an O-ring to mark the depth of duct.
• Telescopic tube with alignment marking to show the correct AIR IN direction for accurate measuring.
• Non-slip ergonomics rubber grip
• Metric& Imperial selectable
• cfm, I/s, cmh, cmm four different air volume units to select from
• Low battery indicator
• Display Max/Min/Time Avg./Point Avg.
• Hold function freezes current readings
• Sleep and non-sleep selectable
• Powered by 4 AAA batteries
• Back light for dark places

MATERIAL SUPPLIED

This package contains

• The meter x 1 / Probe (telescopic tube & rubber grip) x1
• Battery x 4 (AAA size )
• Operation manual x1
• O-ring x1 pack
• Magnet x 1
• Hard carry case x1

REMINDER Important:

1. This meter is ideally designed for duct airflow measurement. Accurate & robust sensors are equipped. Nevertheless, Avoid to hit the probe head may extend the probe life time.
2. Correctly face the “IN” mark to the wind source for accurate result.

LCD & KEYPAD

KEYPAD

Green text means press longer time

1. SET
   • Press to turn on the meter. 5 seconds warm up time and then in auto power off mode (APO) –
   • Press to turn off the meter.
   • When meter is on, pressing this key more than 5 sec. to enter setup.
   • Auto power off after 10 mins keypad inactivity.
   • Non-sleep mode is also available.
2. MODE
   • Press to select different modes. The upper display remains as current air speed, the lower display can be air volume or temp.
   • In Max/Min mode, the upper display is current air speed, , the lower display can be maximum or minimum air speed, air volume or temperature.
   • In time/point average mode, the upper display remains as cumulative time or point, the lower display can be average air speed, air volume or temperature.
3. • Press once to enter time average mode. The maximum time is one hour.
   • Press twice to enter point average mode. The maximum point is 999 points
   • Press key longer time to reset the max. and min. Value.
4. 
   • Press once to freeze the reading.
   • Press twice to enter maximum mode. This value counts from power on or from previous reset moment.
   • Press again to enter minimum mode. This value counts from power on or from previous reset moment.
   • Press one more time to return to normal display. – In setup, press this key to adjust.
5. • In time/point average mode, press to record value or pause recording.
   • In setup, press this key to adjust.
6. • In average and setup status, press to quit and return to normal status.
   • In duct length (L) and width (W) setting of setup mode, press to switch from L to W.

PROBE/POWER SUPPLY

1.  probe is permanently fixed with meter. Not changeable.
2. This meter is powered by 4pcs AAA batteries. Inserting batteries into battery compartment with correct polarity and in good contact.

LOW BATTERY
Battery indicator “ “will display on LCD while battery power is low. Suggest to change the batteries.

TELESCOPIC TUBE
Laser etched telescopic tube is not easy to read in dim places, using o-ring to mark determined depth is faster. You can move the depth marking easily.

OPERATION

POWER ON/OFF

1. Press “ sEt “to power on meter. 5 seconds warm up, time and then in auto power off APOI mode .
   Press again to power off.

2. Auto power off after 10 mins keypad inactivity.

3. Press “ sET ” & “ ” at the same time to power meter on and keep it in non-sleep mode. APO will not display on LCD.

(BACKLIGHT)
Press any key may activate backlight for 10 seconds. The feature is useful while operating meter in dim places.

( SETUP )
Setup basic parameters to customize this meter fitting your application. Please see details in page 9

MODE
This meter provides three parameters: velocity, volume and air temp. Press “MODE ” to switch in any status you are in.

In normal status

(HOLD/MIN/MAX
This meter allows you to freeze current reading or check maximum and minimum reading. Press “to have this feature. HOLD
The maximum and minimum reading is counted from power on. You can press ” Reset ” longer time to clear up and re-count.

AVERAGE time average

• Press ” once to choose time average feature. *eet “icon appears on LCD.
• Press “ ‘”to count,press again to pause. To continue, press ” “, to quit,
• press “ to return to normal Reset status.

The upper display is cumulative time, max. time is 59:59. The lower display is average value. Use ” MODE ” key to switch to different parameter.

AVERAGE – point average

• Press “twice to choose point Reset average feature. ” “ icon appears on LCD.
• Press ” REC “to count, to continue, press to quit, press “ ” once to return to normal status. Reset
• The upper display is cumulative points, max.is 999 points. The lower display is average value. Use ” MODE ” key to switch.

SETUP

When the meter is on, hold down SEt for more than 5 sec to enter setup mode. Press to select and press “” to enter.
To exit setup, press and it returns to normal mode.

P1: DUCT AREA TYPE
Go into P1 for setting the area type of duct. The options are Diameter (D), Area (A) and Length Width (L W).
Press “ “or” “to choose P1. Then, press “ SEt ” to enter and select the type you need through pressing “ SEt key.
Once you decide, press “as confirmation and enter to P2. You can also press ” as confirmation and L+W quit to normal status.

P2: AREA VALUE INPUT
Go into P2 for area value input.

**The options are: ***

• 0~9999 cm “or inch? for Area (A) option
• *0~99 cm or inch for diameter (D) option
• *0~99cm or inch for L W option
•  Press to choose P2. Then, press “ ” to enter and start to adjust the value to what you need.
• Press “” and” “to adjust value more or less. To adjust different decimal, press “_AVG. Reset “to choose.
• After setting, press “ to confirm
• If the type is L W, press press ” ESC – ” to switch from L to W.
• Press “” and “ to adjust HOLD value more or less. To adjust different decimal, press . “to choose.
• After setting, press “ SEt “to confirm

P3 UNIT
Go into P3 for unit selection.

The options are:
metric: m/s, cm and °C
Imperial: ft/m, inch and °F

Press to choose P3. Then, press” SEt to enter and choose the unit you need through pressing”” SEt.
Once you decide, press” confirmation and enter to P4. You can also
press “ ” as confirmation and L+›W return to normal status.

P4: WIND VOLUME UNIT
Go into P4 for wind volume unit selection

The options are cmh, cmm, cfm and l/s.
Press ” to choose P4. Then, press SEt. enter and choose the unit you need through pressing” SEt.
 Once you decide, press ” “as confirmation and enter to P1. You can also press “ “as confirmation and L+*W quit to normal status.

TROUBLESHOOTING

1. Power on but no display
   • Make sure the time of pressing key is more than 0.1 second.
   • Check the batteries are in place and in good contact with correct polarity.
   • Replace a new battery and try again.
   • Move away the battery for one minute and put back again. Try again.
2. Display disappear
   • Check whether the low battery indicator displayed before Display disappear, if yes, replace a new battery.
   • Turn on the meter by pressing SEt. +Key to disable auto power off function for long time using.
3. Е2
   • The value is underflow. Put probe in normal condition to recover.
4. E3.
   • The value is overflow. Put probe in normal condition to recover.
5. E4 a)
   • The original data that is relative to this value is E2 or E3 now. Once E2 or E3 is cleared, E4 will be cleared as well.
6. Е31 a)
   • Temp. related circuit error. Need after sales service
7. E32
   • memory IC error. Need after sales service.

SPECIFICATION

Warranty

Triplett Test Equipment and Tools extends the following warranty to the original purchaser of these goods for use. Triplett warrants to the original purchaser for use that the products sold by it will be free from defects in workmanship and material for a period of (1) one year from the date of purchase. This warranty does not apply to any of our products which have been repaired or altered by unauthorized persons in any way or purchased from unauthorized distributors so as, in our sole judgment, to injure their stability or reliability, or which have been subject to misuse, abuse, misapplication, negligence, accident or which have had the serial numbers altered, defaced, or removed. Accessories, including batteries are not covered by this warranty Copyright © 2024 Triplett www.triplett.com

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