Sale!
Features & Details
| 🌡️ COILED EXTENSION CABLE | Split sensor probe connects via coiled cable to measure hard-to-reach ducts and incubators. |
| 💧 DUAL TEMP & HUMIDITY | Measures temperature (-10°C to 60°C) and relative humidity (0% to 100% RH) simultaneously. |
| ⚡ FAST 1S UPDATE RATE | High-precision capacitive sensor refreshes readings once per second with MAX/MIN data hold. |
| 📟 BACKLIT DUAL DISPLAY | Oversized LCD screen shows both metrics at a glance, with °C/°F unit switching and battery alert. |
About this item
| Function | Range | Resolution | Accuracy ± (a% rdg + b dgt) relative to reference machine |
|---|---|---|---|
| Humidity Measurement | 0~99%RH | 0.1%RH | ±5%RH (0~99%RH) |
| Temperature Measurement | -10°C ~ 60°C | 0.1°C | ±1.0°C |
| 14°F ~ 140°F | 0.2°F | ±2.0°F | |
| Sampling Rate | 0.5s | ||
| Overload Indication | OL | ||
| Max/Min Measurement | MAX/MIN | ||
| Data Hold | HOLD | ||
| Unit Conversion | °C/°F | ||
| Backlight | Yes | ||
| Auto Power Off | 5 minutes | ||
| Low Battery Indication | 3.0 ~ 3.5V | ||
| Battery | 4.5V | ||
| Power Consumption | Working | mA | ≤25mA |
| Shutdown | uA | ≤10μA | |
| Operating Environment | Temperature | 0 ~ 40°C | |
| Humidity | ≤80%RH | ||
| Storage Environment | Temperature | -20°C ~ 60°C | |
| Humidity | ≤75%RH | ||
| ON/OFF / Bluetooth Switch | Short press: Power on or off. | ||
| MAX/MIN | Max/Min key: Short press to cycle sequentially: MAX / MIN / Exit. | ||
| °C / °F | Unit conversion key: Short press to switch between °C / °F. | ||
| HOLD / BL | Data hold / Backlight key: Short press to hold data; Long press to turn backlight on or off. | ||
Professional Electrical Diagnostics & Circuit Verification
UT333S Thermometer Hygrometer Professional Series
Ensuring dependable accuracy during daily operations requires professional equipment engineered to withstand demanding laboratory and industrial environments. The UNI-T UT333S Thermometer Hygrometer (Split Type) provides verified stability, user-friendly operation, and certified safety compliance across standard maintenance protocols. Discover our complete line of diagnostic and testing instruments in the Environmental Tester catalog.
Comprehensive Testing Functions
Measures AC/DC voltage, current, resistance, capacitance, frequency, and rapid continuity with loud acoustic beeper feedback.
Smart User Features
Data hold freezes fluctuating values on screen, backed by automatic power-off and clear LED display backlighting in dark spaces.
💡
Testing Insight: CAT Rating Isolation in Electrical Multimeters
CAT III and CAT IV rated meters incorporate internal high-energy ceramic fuses and wide PCB creepage spacing to protect operators against explosive transient arc flashes.
Ordering & Model Verification
Verify voltage range, display counts, and included accessories before selecting your model in the right-side order box.
Related technical collections:
Digital Multimeter |
Digital Clamp Meter
Related products:
UT320D dual-channel K/J thermocouple thermometer |
UT300S non-contact infrared thermometer gun |
UT306S industrial IR thermometer (−50–500 °C) |
300 mm red-liquid laboratory thermometer (20 pcs)
Product guides and documents
UT333 User Manual (PDF)FAQs
Q1: What is the main difference between the UT333, UT333BT, and UT333S?
A: First, the standard UT333 is a compact mini meter. Alternatively, the UT333BT adds Bluetooth capability for smart data transmission. Finally, the UT333S thermometer hygrometer features a split-type wired probe. Consequently, the “S” model is perfect for reaching into deep HVAC air ducts.
Q2: What is TOREX LDO Technology?
A: Essentially, TOREX LDO is an advanced Japanese voltage stabilization technology. Usually, digital meters drain batteries very quickly. However, this technology minimizes internal power draw significantly. Therefore, it greatly extends your battery life during long fieldwork sessions.
Q3: Can I read the measurements in a dark environment?
A: Yes, you certainly can. Specifically, all models feature a bright LCD dual display with a backlight. Furthermore, the screen simultaneously shows both temperature and relative humidity. As a result, inspecting dark server rooms or basements is extremely easy.
Q4: Is this device durable enough for industrial use?
A: Absolutely. We designed this meter with a highly robust outer housing. Specifically, it boasts an impressive 1-meter drop resistance. Furthermore, it strictly complies with EN61326-1 safety standards. Ultimately, it delivers exceptional durability for demanding industrial applications.
UNI-T UT333S Thermometer Hygrometer (Split Type)
Price range: $25.99 through $36.99
6–12 Month Warranty
Repair & Refund support available for most products.
Free Worldwide Shipping
Ships within 3 business days.
Taxes & Duties
Buyer responsible for local import fees.
24/7 After-Sales Support
Technical assistance & video guidance within 24h.
UNI-T UT333S Thermometer Hygrometer (Split Type)
Sale!
Price range: $25.99 through $36.99
Features & Details
| 🌡️ COILED EXTENSION CABLE | Split sensor probe connects via coiled cable to measure hard-to-reach ducts and incubators. |
| 💧 DUAL TEMP & HUMIDITY | Measures temperature (-10°C to 60°C) and relative humidity (0% to 100% RH) simultaneously. |
| ⚡ FAST 1S UPDATE RATE | High-precision capacitive sensor refreshes readings once per second with MAX/MIN data hold. |
| 📟 BACKLIT DUAL DISPLAY | Oversized LCD screen shows both metrics at a glance, with °C/°F unit switching and battery alert. |
| Function | Range | Resolution | Accuracy ± (a% rdg + b dgt) relative to reference machine |
|---|---|---|---|
| Humidity Measurement | 0~99%RH | 0.1%RH | ±5%RH (0~99%RH) |
| Temperature Measurement | -10°C ~ 60°C | 0.1°C | ±1.0°C |
| 14°F ~ 140°F | 0.2°F | ±2.0°F | |
| Sampling Rate | 0.5s | ||
| Overload Indication | OL | ||
| Max/Min Measurement | MAX/MIN | ||
| Data Hold | HOLD | ||
| Unit Conversion | °C/°F | ||
| Backlight | Yes | ||
| Auto Power Off | 5 minutes | ||
| Low Battery Indication | 3.0 ~ 3.5V | ||
| Battery | 4.5V | ||
| Power Consumption | Working | mA | ≤25mA |
| Shutdown | uA | ≤10μA | |
| Operating Environment | Temperature | 0 ~ 40°C | |
| Humidity | ≤80%RH | ||
| Storage Environment | Temperature | -20°C ~ 60°C | |
| Humidity | ≤75%RH | ||
| ON/OFF / Bluetooth Switch | Short press: Power on or off. | ||
| MAX/MIN | Max/Min key: Short press to cycle sequentially: MAX / MIN / Exit. | ||
| °C / °F | Unit conversion key: Short press to switch between °C / °F. | ||
| HOLD / BL | Data hold / Backlight key: Short press to hold data; Long press to turn backlight on or off. | ||
Professional Electrical Diagnostics & Circuit Verification
UT333S Thermometer Hygrometer Professional Series
Ensuring dependable accuracy during daily operations requires professional equipment engineered to withstand demanding laboratory and industrial environments. The UNI-T UT333S Thermometer Hygrometer (Split Type) provides verified stability, user-friendly operation, and certified safety compliance across standard maintenance protocols. Discover our complete line of diagnostic and testing instruments in the Environmental Tester catalog.
Comprehensive Testing Functions
Measures AC/DC voltage, current, resistance, capacitance, frequency, and rapid continuity with loud acoustic beeper feedback.
Smart User Features
Data hold freezes fluctuating values on screen, backed by automatic power-off and clear LED display backlighting in dark spaces.
💡
Testing Insight: CAT Rating Isolation in Electrical Multimeters
CAT III and CAT IV rated meters incorporate internal high-energy ceramic fuses and wide PCB creepage spacing to protect operators against explosive transient arc flashes.
Ordering & Model Verification
Verify voltage range, display counts, and included accessories before selecting your model in the right-side order box.
Related technical collections:
Digital Multimeter |
Digital Clamp Meter
Related products:
UT320D dual-channel K/J thermocouple thermometer |
UT300S non-contact infrared thermometer gun |
UT306S industrial IR thermometer (−50–500 °C) |
300 mm red-liquid laboratory thermometer (20 pcs)
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