> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt

# Particle, VOC, Humidity, and Temperature Sensor - SEN54

**Type:** Product page · **SKU:** SEN-19325 · **Brand:** [Sparkfun](https://core-electronics.com.au/brands/sparkfun-australia)
**Page:** https://core-electronics.com.au/particle-voc-humidity-and-temperature-sensor-sen54.html ([markdown](https://core-electronics.com.au/particle-voc-humidity-and-temperature-sensor-sen54.html.md))

The SEN54 measures particulate matter, VOC, humidity, and temperature in a single package...

## Pricing

- **Price:** $70.95 (inc GST) — $64.50 AUD, exc GST
- **Quantity discounts:** 5+ $62.56 (exc GST) · 25+ $61.27 (exc GST) · 100+ $58.69 (exc GST)

## Availability & dispatch

- Available with a lead time — expect dispatch between Aug 17 and Aug 24.

## How to buy

- **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=SEN-19325:1` (comma-separated SKU:qty pairs) and share the link. Opening it shows a confirmation page with live pricing and stock before anything is added to the cart.
- **Verify the cart first:** fetch `https://core-electronics.com.au/cart/link/SEN-19325:1.md` for live line prices (inc & exc GST, quantity discounts applied), stock and dispatch estimates, and totals. Append `/to/{AU-postcode}` (or `/to/{country-code}:{postcode}`) before `.md` for delivery options and prices to that destination. Unknown, retired, or out-of-stock SKUs are flagged. (Query form `cart/link.md?items=...` also works but some robots parsers refuse query strings here.)
- **Checkout** is completed on-site and includes a captcha at the payment step. Share the cart link; checkout takes it from there.
- **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works)
- **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt
## Description

The SEN54 sensor module from Sensirion combines the measurement of particulate matter, VOC, humidity, and temperature in a single package. The SEN54 sensors provide fully calibrated outputs with a digital interface, a strong lifetime under 24 h/day operation, and a compact form factor. The combination of all measurement parameters in a single device allows users to reduce design and integration efforts, shorten development times and simplify supply chain. Additionally, the included Sensirion Temperature Acceleration Routine (STAR) engine accelerates the device’s response to ambient temperature change by a factor of 2-3 to provide better UX and more accurate measurements to end users.

The SEN54 uses the the GHR style 'locking' JST connector. This module includes a 6-pin compatible cable that is terminated in breadboard pins making it very easy to connect to the SEN54. The only downside is that Sparkfun use our [generic 6-pin GHR cable](https://core-electronics.com.au/search/?q=18079) and the wire colors do not match normal 'red for 5V' sort of connections. Please see [this image](https://core-electronics.com.au/attachments/localcontent/SEN54_Cable_Colors_13884b9c812.jpg) for the correct wire color and pin function.

**Note:** The SEN54 uses I2C to communicate at 3.3V but requires 5V for power. Sparkfun recommend the [Qwiic Boost](https://core-electronics.com.au/search/?q=17238) to connect this sensor easily to our [Qwiic](https://www.sparkfun.com/qwiic) system.

- Sampling interval - 1 +/- 0.03 s
- Lifetime1 24 h/day operation > 10 years
- Operating voltage - 4.5 - 5.5V
- Peak Supply Current - 110 mA
- Particulate Matter - 1.0, 2.5, 4, & 10
- VOC index - 1 to 500
- Humidity range (absolute min/max) - 0% to 90% (non condensing)
- Temperature range (absolute min/max) - -10 to 50 C
- Acoustic emission level 0.2 m 24 dB(A)
- Weight - 36.4g +/- 10%
- *Additional unit specific features in datasheet*
 
 Documents - [Sensirion SEN54 Datasheet](https://core-electronics.com.au/attachments/localcontent/Sensirion_Datasheet_SEN5x_684574c01d9.pdf)
- [Sensirion Arduino Library](https://github.com/Sensirion/arduino-i2c-sen5x)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/i/m/image_13417.jpg)