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EXTECH Heat Index Digital Stopwatch: +/-5 Seconds Per Day, Count Down, LCD, Audible - Multi-Function Stopwatches
EXTECHMulti-Function Stopwatches

EXTECH Heat Index Digital Stopwatch: +/-5 Seconds Per Day, Count Down, LCD, Audible

The EXTECH Heat Index Digital Stopwatch (MPN HW30) is a multi-function stopwatch with an LCD display and an accuracy of +/-5 seconds per day. It features count-down timing up to 9 hours, 59 minutes, 59 seconds, an…

SKU 3G-OTH-177487

Also listed as: HW 30 · HW-30

Brand
EXTECH
Item
Heat Index Digital Stopwatch: +/-5 Seconds Per Day, Count Down, LCD, Audible
Category
Multi-Function Stopwatches
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

EXTECH
Manufacturer Part Number
HW30
Type
Count Down, LCD, Audible, 14°F – 122°F
Accuracy
+/-5 Seconds Per Day
Features
Displays Temperature and Humidity
Alarm Type
Audible
Count Direction
Count Down
Maximum Time Capacity
9 hrs, 59 minutes, 59 seconds
Clock Function Included
Yes
Certificate of Calibration
Not Included
Digital Display Screen Type
LCD

Technical Documents

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EXTECH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EXTECH Heat Index Digital Stopwatch (MPN HW30) is a multi-function stopwatch with an LCD display and an accuracy of +/-5 seconds per day. It features count-down timing up to 9 hours, 59 minutes, 59 seconds, an audible alarm, and a clock function. The device also displays temperature and humidity.

Frequently Asked Questions

What is the EXTECH Heat Index Digital Stopwatch used for?

The EXTECH HW30 is used for count-down timing in industrial environments where monitoring temperature and humidity is critical. It is suitable for heat-stress monitoring, safety compliance, and process timing in manufacturing, HVAC, and outdoor work zones.

What are the specifications of the EXTECH HW30 stopwatch?

The EXTECH HW30 has an accuracy of +/-5 seconds per day, a count-down capacity up to 9 hours, 59 minutes, 59 seconds, an audible alarm, and an LCD display. It includes a clock function and displays temperature from 14°F to 122°F and humidity. Certificate of calibration is not included.

Where to buy the EXTECH Heat Index Digital Stopwatch worldwide?

3G Electric supplies the EXTECH HW30 worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this multi-function stopwatch to procurement teams globally.

How to select the right EXTECH stopwatch for heat index monitoring?

For heat index monitoring, choose the EXTECH HW30 because it displays both temperature and humidity, which are required for calculating heat index. Ensure the operating range (14°F to 122°F) matches your environment. The count-down function and audible alarm support timed safety protocols in hot work areas.

Used in

Common applications for EXTECH
HVAC system diagnostics — EXTECH AN340 vane anemometer for air velocity and humidity measurement
Industrial machinery maintenance — EXTECH 461995 laser tachometer for RPM and surface speed checks
Food and beverage quality testing — EXTECH RF12 analog refractometer for Brix concentration measurement
Refrigerant leak detection — EXTECH RD350 heated diode leak detector for R-513A systems
Environmental monitoring — EXTECH RH490 data logging hygro-thermometer for temperature and humidity logging
Lighting inspection — EXTECH LT300-NIST light meter for illuminance measurement in workspaces

EXTECH Products

3G Electric supplies EXTECH multi-function stopwatches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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