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  • HTM-238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ -30~70°C (-22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor HTM-238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ -30~70°C (-22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor
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% $-31.90 USD
slide 1 of 10
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
slide 1 to 5 of 10
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express
HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express

HTM-238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ -30~70°C (-22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor

Product SKU: HTM-238
$31.90 USD
$0.00 USD
This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted.
  • Description
  • Return, Refund, & Warranty Policy
  • Reviews

This digital meter features simultaneous measurement of humidity and temperature, high precision, quick response, high stability, and easy to carry anywhere.

Widely used in the industry of agriculture, meteorology, household, lab, warehouse, air conditioning system, quality control and other applications that require monitoring and checking of humidity and temperature.

Features:

  • Dual display, Temperature & Humidity
  • Small and Lightweight, fits into pocket
  • 3.7cm LCD screen, easy to read despite its mini size
  • Simple & Easy 2-button operation only
  • Backlight with auto off function
  • MAX/MIN Readings & Data hold
  • Temperature units in °C/°F
  • Low Battery Indication
  • High Precision & Quick Response
  • Large Measuring Range 


Specifications:

  • Temperature
    • Range: -30~70°C
    • Accuracy: 1°C (-30-0°C), 0.5°C (0-70°C)  
                       1.8°F (-22-32°F), 0.9°F (32-158°F)
    • Resolution: 0.1°C / 0.2°F
  • Humidity
    • Range: 0~100% RH
    • Accuracy: 4.5% (0-20% RH), 3% (20-80% RH), 4.5% (80-100% RH)
    • Resolution: 0.1% RH
  • Sampling rate: 2.5 times/sec 
  • Power Supply: 9V battery
  • LCD diameter: 3.7cm
  • Item Size: 15.2 x 3.8 x 5.5cm
  • Item Weight: 90g (without batteries) 125g (with batteries on)


Set Includes:

  • 1 x Humidity and Temperature Meter
  • 1 x 9V Battery
  • 1 x English Operation Manual

Unhappy with your item?

If you are dissatisfied with your purchase, you may return it to us within THIRTY (30) DAYS from the purchase date subject to conditions below. Report or contact us for claims on missing items or parts, items damaged in transit, and incorrect item delivery within 2 business days upon receipt of item.


Refund & Credit

Refunds for the returned item will be issued in the same payment form used at the time of purchase. Once we receive and inspect the product, we will credit the amount to your account. Please allow 5-7 days for the credit to appear on your account.


Exchange

If the item was sent back for an exchange, please allow 3-5 business days for the replacement to be processed. The buyer will shoulder the return cost when returning an item for an exchange.


Wrong Item Received

If you received the wrong item, you may exchange it for the correct item or return it for a full refund.


Conditions

Please read all conditions below. If conditions are not met, Gain Express Holdings Ltd. reserves the right to refuse the return or to charge a restocking fee not less than 15%.

All returned or exchanged items must be in new condition and in their original box.We may refuse your return or refund request if:

  • The item(s) is returned without an RMA form
  • The item(s) has no valid, readable serial number (if any), inluding but not limited to items with missing, damaged, altered, or unreadable serial numbers
  • The item(s) was returned without all original packaging and accessories, including the retail box, manuals, cables and all other accessories originally included with the item(s)
  • The item(s) exhibits physical damages or is dirty

Returns must be done within THIRTY (30) DAYS after the purchased item has been received (unless specified) for replacement or full/partial refund, depending on what is agreeable to both parties.


Returning an Item

All returned items must be in good condition with complete original packaging and accessories. We reserve the right to charge a handling fee on all items returned to us for non-quality issues.

To Return Item(s):

  1. Fill out the RMA (Return Merchandise Authorization) form and submit for our review. Once we have authorized your return request via e-mail, then proceed to step.

  2. Pack your item(s) inside a shipping box. Please write Order ID # on a piece of paper and include it inside the box.
    (Please do not place stickers or shipping labels on the original manufacturer's package.)

  3. Ship your item(s) to a warehouse near you.
    (We recommend you ship via insured ground service with a tracking number. Return shipping charges is the buyer's responsibility. Gain Express Holdings Ltd. will bear the shipping cost of the replacement. We are not responsible for lost or damaged packages.)

We will take care of the rest for you!

 

Once our Returns Department has received and inspected your return, your refund or exchange will be processed right away.



Warranty

Replacement Warranty

Returns must be done within THIRTY (30) DAYS after receiving the purchased item (unless specified) for replacement or full/partial refund, depending on what is agreeable to both parties.


Product Service Warranty

All our items come with ONE (1) YEAR warranty for manufacturer defects. It does not include damage caused by misuse, accidents, abuse, alterations, neglect or other external causes.

The warranty will not extend to consumables (i.e. electrodes, calibration solution, battery, index oil), accessories, cable, compact disk and/or any written document bundled with the item.

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AQM-434 Gas Leak Detector 4-in-1 H2S|EX|O2|CO Tester Analyzer Instant Alerts Audible, Light, Vibration Alarm Natural Methane Gas Detector IP68 with Data Storage Portable Rechargeable

AQM - 434 AQM - 434 Gas Leak Detector 4 - in - 1 H2S|EX|O2|CO Tester Analyzer Instant Alerts Audible, Light, Vibration Alarm Natural Methane Gas Detector IP68 with Data Storage Portable Rechargeable - Gain Express AQM - 434 AQM - 434 Gas Leak Detector 4 - in - 1 H2S|EX|O2|CO Tester Analyzer Instant Alerts Audible, Light, Vibration Alarm Natural Methane Gas Detector IP68 with Data Storage Portable Rechargeable - Gain Express
$94.90 USD

AQM-421 Professional 5in1 Indoor Air Quality Monitor CO | CO2 | TVOC Meter, Humidity & Temperature with NDIR Sensor High Precision Monitor for Home, Offices, RV, Grow Tents etc.

AQM - 421 AQM - 421 Professional 5in1 Indoor Air Quality Monitor CO | CO2 | TVOC Meter, Humidity & Temperature with NDIR Sensor High Precision Monitor for Home, Offices, RV, Grow Tents etc. - Gain Express AQM - 421 AQM - 421 Professional 5in1 Indoor Air Quality Monitor CO | CO2 | TVOC Meter, Humidity & Temperature with NDIR Sensor High Precision Monitor for Home, Offices, RV, Grow Tents etc. - Gain Express
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(For Bulk Order Only)

AQM-422 IAQ Monitor 5 in 1 Professional HCHO | CO2 | TVOC Meter with Humidity & Temperature Measurement NDIR Sensor Portable Carbon Dioxide Monitor for Home, RV, Grow Tents, Factory etc.

AQM - 422 AQM - 422 IAQ Monitor 5 in 1 Professional HCHO | CO2 | TVOC Meter with Humidity & Temperature Measurement NDIR Sensor Portable Carbon Dioxide Monitor for Home, RV, Grow Tents, Factory etc. - Gain Express AQM - 422 AQM - 422 IAQ Monitor 5 in 1 Professional HCHO | CO2 | TVOC Meter with Humidity & Temperature Measurement NDIR Sensor Portable Carbon Dioxide Monitor for Home, RV, Grow Tents, Factory etc. - Gain Express
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(For Bulk Order Only)

LKD-425 Gas Leak Detector Combustible Gas Test Analyzer Portable Natural Gas Sniffer for Flammable Natural Gas Acetone Propane Benzene Ethanol Gasoline Methane etc 0~9999PPM Measurement Range

LKD - 425 LKD - 425 Gas Leak Detector Combustible Gas Test Analyzer Portable Natural Gas Sniffer for Flammable Natural Gas Acetone Propane Benzene Ethanol Gasoline Methane etc 0~9999PPM Measurement Range - Gain Express LKD - 425 LKD - 425 Gas Leak Detector Combustible Gas Test Analyzer Portable Natural Gas Sniffer for Flammable Natural Gas Acetone Propane Benzene Ethanol Gasoline Methane etc 0~9999PPM Measurement Range - Gain Express
$53.90 USD

AQM-399 Carbon Dioxide CO2 Monitor Indoor Air Quality Meter Temperature Humidity Tester Face Icon Colored Display with Alarm 400~5000PPM NDIR Sensor

AQM - 399 AQM - 399 Carbon Dioxide CO2 Monitor Indoor Air Quality Meter Temperature Humidity Tester Face Icon Colored Display with Alarm 400~5000PPM NDIR Sensor - Gain Express AQM - 399 AQM - 399 Carbon Dioxide CO2 Monitor Indoor Air Quality Meter Temperature Humidity Tester Face Icon Colored Display with Alarm 400~5000PPM NDIR Sensor - Gain Express
$50.90 USD

LKD-398 Natural Gas Detector Gas Sniffer Gas Leak Detector Locating Propane, Natural Gas, and Combustible Gas Leak for Home and RV with Gooseneck Probe, Buzzer, Light Indicator

LKD - 398 Natural Gas Detector Gas Sniffer Gas Leak Detector Locating Propane, Natural Gas, and Combustible Gas Leak for Home and RV with Gooseneck Probe, Buzzer, Light Indicator - Gain Express LKD - 398 Natural Gas Detector Gas Sniffer Gas Leak Detector Locating Propane, Natural Gas, and Combustible Gas Leak for Home and RV with Gooseneck Probe, Buzzer, Light Indicator - Gain Express
$72.90 USD

AQM-393 Travel Carbon Monoxide Detector Portable Mini Vehicle CO Detector Air Quality Monitor for Car, RV, Aircraft CO Gas Alarm with Audible Visual Alert, Lanyard clip

AQM - 393 AQM - 393 Travel Carbon Monoxide Detector Portable Mini Vehicle CO Detector Air Quality Monitor for Car, RV, Aircraft CO Gas Alarm with Audible Visual Alert, Lanyard clip - Gain Express AQM - 393 AQM - 393 Travel Carbon Monoxide Detector Portable Mini Vehicle CO Detector Air Quality Monitor for Car, RV, Aircraft CO Gas Alarm with Audible Visual Alert, Lanyard clip - Gain Express
$86.90 USD

AQM-396 Carbon Dioxide CO2 Monitor Wall Mount Indoor Air Quality Meter Temperature Humidity Tester Colored Large Screen Display with Alarm 400~5000PPM NDIR Sensor

AQM - 396 AQM - 396 Carbon Dioxide CO2 Monitor Wall Mount Indoor Air Quality Meter Temperature Humidity Tester Colored Large Screen Display with Alarm 400~5000PPM NDIR Sensor - Gain Express AQM - 396 AQM - 396 Carbon Dioxide CO2 Monitor Wall Mount Indoor Air Quality Meter Temperature Humidity Tester Colored Large Screen Display with Alarm 400~5000PPM NDIR Sensor - Gain Express
$40.90 USD

Smart Wifi Natural Gas Alarm Sensor LPG Methane CH4 Combustible Gas Leak Detectors Support Home Smart Life Plug in and Protect

SNT961W Smart Wifi Natural Gas Alarm Sensor LPG Methane CH4 Combustible Gas Leak Detectors Support Home Smart Life Plug in and Protect - Gain Express SNT961W Smart Wifi Natural Gas Alarm Sensor LPG Methane CH4 Combustible Gas Leak Detectors Support Home Smart Life Plug in and Protect - Gain Express
$36.90 USD

AQM-388 Portable 9 in 1 Indoor Air Quality Meter CO2 Monitor Formaldehyde Detector VOC Sensor AQI Index PM2.5 PM10 and Humidity Temp with Time Display Air Monitor Test Kit

AQM - 388 AQM - 388 Portable 9 in 1 Indoor Air Quality Meter CO2 Monitor Formaldehyde Detector VOC Sensor AQI Index PM2.5 PM10 and Humidity Temp with Time Display Air Monitor Test Kit - Gain Express AQM - 388 AQM - 388 Portable 9 in 1 Indoor Air Quality Meter CO2 Monitor Formaldehyde Detector VOC Sensor AQI Index PM2.5 PM10 and Humidity Temp with Time Display Air Monitor Test Kit - Gain Express
$155.90 USD

AQM-385 Carbon Dioxide CO2 Monitor 0~5000ppm Range Large Colored LED Screen Display IAQ Meter Air Quality Tester NDIR Sensor

AQM - 385 AQM - 385 Carbon Dioxide CO2 Monitor 0~5000ppm Range Large Colored LED Screen Display IAQ Meter Air Quality Tester NDIR Sensor - Gain Express AQM - 385 AQM - 385 Carbon Dioxide CO2 Monitor 0~5000ppm Range Large Colored LED Screen Display IAQ Meter Air Quality Tester NDIR Sensor - Gain Express
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AQM-384 Portable Gas Detector CO H₂S O₂ EX (LEL) 4 Gas Detection Gas Rechargeable Clip Sniffer with Audible Visual Vibration Alert and Voice Prompt

AQM - 384 AQM - 384 Portable Gas Detector CO H₂S O₂ EX (LEL) 4 Gas Detection Gas Rechargeable Clip Sniffer with Audible Visual Vibration Alert and Voice Prompt - Gain Express AQM - 384 AQM - 384 Portable Gas Detector CO H₂S O₂ EX (LEL) 4 Gas Detection Gas Rechargeable Clip Sniffer with Audible Visual Vibration Alert and Voice Prompt - Gain Express
$119.90 USD

AQM-356 CO2 Controller & Monitor Auto Detect Day Night Carbon Dioxide CO2 Meter with 15ft Remote Dual Beam NDIR Sensor for Greenhouse, Grow Rooms, Hydroponics Rooms

AQM - 356_US AQM - 356 CO2 Controller & Monitor Auto Detect Day Night Carbon Dioxide CO2 Meter with 15ft Remote Dual Beam NDIR Sensor for Greenhouse, Grow Rooms, Hydroponics Rooms - Gain Express AQM - 356_US AQM - 356 CO2 Controller & Monitor Auto Detect Day Night Carbon Dioxide CO2 Meter with 15ft Remote Dual Beam NDIR Sensor for Greenhouse, Grow Rooms, Hydroponics Rooms - Gain Express
$173.90 USD
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LKD-360 Combustible Gas Leak Detector Gas Leakage Sniffer Methane, LPG, LNG, Fuel, Sewer Gas. Alcohol, Gasoline Flammable Gases

LKD - 360 LKD - 360 Combustible Gas Leak Detector Gas Leakage Sniffer Methane, LPG, LNG, Fuel, Sewer Gas. Alcohol, Gasoline Flammable Gases - Gain Express LKD - 360 LKD - 360 Combustible Gas Leak Detector Gas Leakage Sniffer Methane, LPG, LNG, Fuel, Sewer Gas. Alcohol, Gasoline Flammable Gases - Gain Express
$35.90 USD

7730 Smart CO2 Carbon Dioxide Indoor Air Quality Monitor Temperature Humidity Measurement for Bedroom Close Rooms Offices Classroom

7730 Smart CO2 Carbon Dioxide Indoor Air Quality Monitor Temperature Humidity Measurement for Bedroom Close Rooms Offices Classroom - Gain Express 7730 Smart CO2 Carbon Dioxide Indoor Air Quality Monitor Temperature Humidity Measurement for Bedroom Close Rooms Offices Classroom - Gain Express
$101.90 USD
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Gain Express Holdings Ltd.
Office Address

Room 10, 8F, Block B
Merit Industrial Centre
94 To Kwa Wan Rd., To Kwa Wan
Kowloon, Hong Kong

Email Address

info@gainexpress.com

Phone Number (Hong Kong)

(+852) 2362 7800 / 2365 6735

Phone Number (US)

(+1) 347 305 4263

Phone Number (UK)

(+44) 020 3286 9086

WhatsApp

(+852) 5446 6952

Business Hours

Monday to Saturday
10:00 AM - 7:00 PM HKT (GMT+8)

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