Customer Service

customer service

Customer Service & Support

At Test Meter (GMM Technoworld Pte Ltd), your precision is our priority. Whether you need technical assistance choosing the right environmental smart IoT sensor, tracking an active order, or requesting an instrument calibration, our dedicated Singapore-based support team is here to help.

1. Fast Track Support

Customer Service Excellence

Before reaching out, you may find instant answers to your questions regarding account setups, secure SSL checkouts, or accepted payment modes (including PayNow and Bank Transfers) by visiting our comprehensive Frequently Asked Questions (FAQs) page.

2. Contact Information

Choose your preferred way to connect with us. For urgent order changes or technical inquiries, we recommend calling or sending a WhatsApp message during office hours.

  • Office/Showroom Phone: +65 6386 1815
  • WhatsApp Support: +65 8218 9655
  • General & Sales Email: sales@testmeter.sg

3. Operating Hours & Location

We welcome customers to visit our showroom to view our equipment or self-collect orders.

  • Monday to Friday: 9:00 AM to 6:00 PM
  • Lunch Intermission: 12:30 PM to 1:30 PM (Showroom closed during this time)
  • Saturdays, Sundays & Public Holidays: Closed

Showroom & Office Address

GMM Technoworld Pte Ltd 33 Ubi Ave 3, #05-55 Vertex (Tower A) Singapore 408868

4. Order Logistics & Post-Purchase Services

Delivery & Order Tracking

All standard orders placed before 12:00 PM (noon) are dispatched within 2 to 4 business days. For detailed information regarding our local shipping tiers, free delivery thresholds (S$50+ for online orders), public holiday schedules, and international shipping estimates, please visit our Delivery Information page.

Returns, Exchanges, and Repairs

We offer a strict 14-day return and exchange policy for items in original, unused condition.

  • Important Note: All physical returns, equipment exchanges, and hardware inspections are processed at our dedicated service hub rather than our main showroom.

Please route all authorized returns to our servicing facility at:

GMM Technoworld Pte Ltd (Service Hub) 33 Ubi Ave 3, #05-55 Vertex Singapore 408868

For step-by-step instructions on logging a return request, please review our Return & Exchange Policy.

5. Send Us a Message

Have a specific technical inquiry or need a formal corporate quotation for our EDSS Warehouse Monitoring or multi-environmental data loggers? Please Contact Us, and a technical representative will respond within 1 business day.

Case Studies

Ensuring Cool Operations by Deploying GMM EDSS

IoT Temperature Detecting System in Singapore School Keeping critical infrastructure running smoothly is paramount, especially in a tropical climate like Singapore. Downtime due to overheating can have significant consequences, particularly in server rooms where sensitive equipment operates around the clock.…