ESM by Metermaster

Temperature Monitoring for Cold Rooms, Labs and Compliance

Protect temperature-sensitive products with flexible wired and wireless monitoring for temperature, humidity and pressure. ESM gives your team live visibility, SMS/email alarms, audit-ready reports and local New Zealand support.

ESM dashboard showing wired and wireless temperature monitoring

Wired sensors

Stable fixed monitoring

Wireless sensors

Flexible site coverage

Alert

Cold Room 2
High Temperature

7.8°C

Alert sent 10:42 AM

Report

Audit report ready

Generated 10:45 AM

Wired & wireless options SMS/email alerts Audit-ready reports Installed support Ongoing Support

Built for temperature-sensitive environments

Cold Rooms

Monitor storage rooms with wired or wireless sensors and prevent temperature excursions.

Fridges & Freezers

Protect vaccines, food, samples and stock with continuous monitoring.

Labs & Clinics

Maintain reliable temperature and humidity records for compliance and audits.

Multi-site Facilities

View devices, rooms and alerts across multiple locations from one dashboard.

Choose the monitoring setup that fits your facility

ESM supports both wired and wireless sensor options, so your monitoring system can be designed around your building, equipment and compliance needs.

Wired Monitoring

Ideal for permanent installations where stable communication and long-term reliability are important.

Best for:

  • Cold rooms
  • Laboratories
  • Production areas
  • Fixed equipment
  • Critical monitoring points

Benefits:

  • Reliable fixed connection
  • Suitable for long-term monitoring
  • Low maintenance once installed
  • Strong option for critical areas

Wireless Monitoring

Ideal for flexible installations, hard-to-cable areas or facilities that need easier expansion.

Best for:

  • Fridges and freezers
  • Hard-to-cable areas
  • Multi-room facilities
  • Expanding monitoring coverage
  • Temporary monitoring points

Benefits:

  • Flexible sensor placement
  • Reduced cabling requirements
  • Faster installation
  • Easy to expand as needs change
Not sure which option is right? Metermaster can recommend a practical wired, wireless or mixed setup based on your site.

Simple setup. Reliable monitoring. Clear reports.

Install Sensors and Data loggers

ESM Install

Metermaster Technicians install temperature and environmental sensors and data loggers as per your needs.

Connect ESM to Internet

ESM Setup

ESM connects to the internet for real-time data transmission.

Monitor & Receive Alarms

ESM Alarms

Monitor temperature and environmental conditions via dashboard and receive instant alarms.

Generate Auto / manual reports

ESM Reports

Create automated or manual reports for analysis and decisions.

Stay audit-ready without manual temperature logs

Whether your facility uses wired sensors, wireless sensors or a combination of both, ESM automatically records temperature data, alarm history and sensor activity to support compliance checks and reduce manual logging.

  • Automatic temperature records
  • Wired and wireless sensor data
  • Downloadable audit reports
  • Alarm history and acknowledgements
  • Sensor status visibility
  • Reduced manual checking

Need a monitoring quote?

Tell us how many rooms, fridges, freezers or sites you need monitored. We will recommend a practical wired, wireless or mixed ESM setup for your facility.

Tell us your setup
We recommend sensors
Get pricing & support options
Start Quote Request

We can advise whether wired, wireless or a mixed setup is best for your site.

Real-Time Monitoring Features

Everything needed to monitor, alert, investigate and report across wired and wireless monitoring points.

Live Sensor Map for ESM temperature monitoring

Live Sensor Map

Visualize temperature and environmental sensor locations with real-time data.

Automatic Alarms for ESM temperature monitoring

Automatic Alarms

Receive SMS and email alerts when thresholds are breached.

Historical Data & Reports for ESM temperature monitoring

Historical Data & Reports

View sensor stats in graphs or tables. Export reports.

Scalable & Multi-Site for ESM temperature monitoring

Scalable & Multi-Site

Manage sensors across multiple locations from one view.

Comprehensive Activity Tracking for ESM temperature monitoring

Comprehensive Activity Tracking

Track every change and user interaction for auditing.

Mobile Monitoring for ESM temperature monitoring

Mobile Monitoring

Access real-time data from your mobile device.

Global Cloud Access for ESM temperature monitoring

Global Cloud Access

Secure web access from anywhere in the world.

Reliable Offline Sync for ESM temperature monitoring

Reliable Offline Sync

Data loggers continue tracking during network loss.

Enhanced Security for ESM temperature monitoring

Enhanced Security

Multi-factor authentication & encryption included.

Powerful monitoring. Easy to manage.

ESM sensor map showing wired and wireless monitoring points

See every wired and wireless sensor from one map

The ESM sensor map gives your team a clear visual overview of monitored rooms, equipment and sensor locations. Wired and wireless sensors can be displayed together, helping staff quickly identify live readings, alarm status and areas that need attention.

  • View wired and wireless sensors together
  • See room and equipment status at a glance
  • Identify alarms quickly
  • Monitor cold rooms, fridges, freezers and labs
ESM alarm log for temperature monitoring alerts

Receive alerts when conditions move outside limits

ESM can send SMS and email alerts when a wired or wireless monitoring point exceeds configured limits, helping your team respond before stock, samples or compliance records are affected.

  • SMS and email alarm notifications
  • Configurable alert thresholds
  • Alarm acknowledgements
  • Alarm history for follow-up and reporting
ESM historical temperature graph and reporting screen

Generate reliable reports from all monitoring points

ESM stores historical readings from wired and wireless sensors, allowing your team to review trends, investigate alarms and export reports for compliance checks or internal quality records.

  • Historical temperature graphs
  • Reports across wired and wireless sensors
  • Downloadable audit records
  • Useful for compliance and internal reviews

Temperature Monitoring Questions

Yes. ESM can support wired sensors, wireless sensors or a mixed setup depending on your facility, equipment and monitoring requirements.
Wired monitoring is often suitable for permanent critical monitoring points, while wireless monitoring is useful where cabling is difficult or flexible placement is needed. Metermaster can recommend the most practical option after reviewing your setup.
Yes. Many facilities use a mixed setup, combining wired sensors for fixed critical areas and wireless sensors for flexible or hard-to-cable locations.
Yes. Wireless monitoring can be useful for fridges, freezers and locations where running cables is difficult, depending on site conditions and the required setup.
Yes. ESM stores historical readings and can generate reports, graphs and alarm records to support compliance checks and internal quality procedures.
Tell us how many rooms, fridges, freezers or sites you need monitored, and our team will recommend a suitable ESM setup and quote.

NZ Based Support

Local team, local support, fast response when you need help.

Secure & Reliable

Your data is protected with secure cloud access and controlled user permissions.

Installed by Experts

Professional installation for accurate monitoring and reliable alerts.

Ongoing Support

Support continues after installation, reporting and setup.

Tell us what you need monitored

Looking for a dependable wired, wireless, or hybrid temperature monitoring system? Send us your requirements and we’ll help you find the right solution.

  • ✓ Request a live demo
  • ✓ Get a tailored quote
  • ✓ Get expert advice on the best monitoring setup

Get a quote or request a demo

Share a few details and we will recommend a practical setup.

Our team will contact you during business hours.