- Operation Range (Pressure (Absolute) and Water Level):0 to 400 kPa (0 to 58 psia); approximately 0 to 30.6 m (0 to 100 ft) of water depth at sea level, or 0 to 33.6 m (0 to 111 ft) of water at 3,000 m (10,000 ft) of altitude
- Factory Calibrated Range: 69 to 207 kPa, 0° to 40°C (10 to 30 psia, 32° to 104°F)
- Burst Pressure: 310 kPa or 18 m depth (45 psia or 60 ft depth)
- Water Level Accuracy Typical error: ±0.1% FS, 1.0 cm (0.03 ft) Water ( With accurate reference water level measurement, known water density, accurate barometric compensation data, and a stable temperature environment.)
- Maximum error: ±0.2% FS, 2.0 cm (0.06 ft) Water
- Raw Pressure Accuracy: ±0.3% FS, 0.62 kPa (0.09 psi) Maximum error (Raw Pressure Accuracy: Absolute pressure sensor accuracy includes all sensor drift, temperature, and hysteresis-induced errors.)
- Resolution: <0.02 kPa Water (0.007 ft Water)
- Pressure Response Time (90%): <1 second at a stable temperature; measurement accuracy also depends on temperature response time (Changes in Temperature: Allow 20 minutes in water to achieve full temperature compensation of the pressure sensor. Maximum error due to rapid thermal changes is approximately 0.5%.)
- Operation Range: -20° to 50°C (-4° to 122°F)
- Accuracy: ±0.2°C from 0° to 50°C (±0.36°F from 32° to 122°F)
- Resolution: 0.10°C at 25°C (0.18°F at 77°F)
- Response Time (90%): 10 minutes in water (typical)
- Stability (Drift): 0.1°C per year (0.18°F per year)
- Wireless Standard: Bluetooth 5 LE
- Transmission Range: Approximately 30.5 m (100 ft) line-of-sight
- Radio Power: 1mW (0 dBm)
- Real-time Clock: ±1 minute per month 0° to 50°C (32° to 122°F)
- Battery: 2/3 AA, 3.6 Volt lithium, factory-replaceable
- Battery Life (typical use): 3 years with 1-minute logging and Bluetooth always on / 7 years with 1-minute logging and Bluetooth off and LED off / 10 years with 5-minute logging and Bluetooth off and LED off
- Battery Indication: Battery status shown in HOBOconnect app (approximate)
- Memory (Non-volatile): Approximately 400,000 sets of pressure and temperature measurements
- Data Download Time (with Bluetooth 5+ devices): Full Memory: Approximately 3.5 minutes (1000,000 measurements < 1 minute)
- Weight: Approximately 154 g (5.43 oz) in air / Approximately 53.9 g (1.9 oz) in fresh water / Dimensions    3.18 cm (1.25 inches) diameter, 15.24 cm (6.0 inches) length; mounting hole 6.3 mm (0.25 inches) diameter
- Wetted Materials: Polypropylene housing and lanyard; Viton and Buna-N O-rings; ceramic sensor in acetal end cap; stainless
steel screws suitable for saltwater
- Logging Modes: Fixed-interval (normal or statistics), burst or multiple intervals with up to 8 user-defined intervals and durations;
logging intervals from 1 second to 18 hours. Refer to the HOBOconnect User’s Guide for details.
- Start Modes: Immediate, next interval, date & time, button start (fob or app)
- Stop Modes: Memory full, never stop (overwrite oldest data), date & time, or after set logging period
- Pause: Pause and restart with HOBOconnect app
- Alarms: Log high- or low-alarm events; alarm status shown in HOBOconnect app
- Environmental Rating: IP68

Delivery Details

In stock items will be dispatched same day

(For orders placed before 2pm AEST on SA business days)

Why Instrument Choice

Instrument Choice is the dominant, fastest growing, independent supplier of scientific instruments in Australasia. We are passionate for you to enjoy an outstanding experience while we support you to conduct experiments and select the right scientific instruments for meaningful, accurate measurements.

Many of our customers write to us to express their appreciation.

“I had some questions about the humidity alarm I purchased. The support team were very helpful. I highly recommend Instrument Choice” - Mark

“The fact that I can contact Instrument Choice and speak to an experienced technician is extremely helpful.” – Matty

“Amazing assistance over the phone, exceptional communication during the whole ordering process, super-fast freight!!” – Jillian

“The item I bought was fantastic, the order came in very reasonable time, I loved the lollies :), and have been very impressed with the after sales service. I have my own business, and so appreciate the effort of customer service. You guys are fantastic.” - Leanne

How We Support You- “Our huge range of high-quality products, backed by experienced scientists, risk-free purchasing terms and overnight shipping makes Instrument Choice the risk-free way to secure the right product for your application and have it delivered direct to your door.” -Tyson Grubb (Founder & CEO)

💬 #1. SUPER-RESPONSIVE CUSTOMER SERVICE 

Expert, Responsive, Friendly, Continuous (9 am - 5:30 pm weekdays)

Here’s a little secret - each member of our customer service team is a qualified, experienced scientist. What’s more, they appreciate your need for supportive communication. You can expect:

✔ Quotes within a business hour

✔ 3 business hour responses to email inquiries

Need a hand? Contact us

🔬 #2. SPECIAL ADVICE FROM SCIENTISTS

Free, Experienced, Independent (9 am - 5:30 pm weekdays)

Our customers can often become frustrated by a lack of familiarity with a special application or struggle to understand an unfamiliar device. We love to help and enjoy advising about things like, how to:

✔ Set up and use your equipment

✔ Set-up trials and experiments

✔ Calibrate scientific equipment

✔ Save on the total cost of owning and operating scientific equipment - over and above the listed price for item …. And many more

We love a challenge – so please test us!

Talk to a scientist

🛒 #3. EASY SHOPPING

For many of us time is money. Finding and purchasing the right scientific instrument shouldn’t be a hassle. So, we made it easy for you to shop with us.

✔ Online Store: We have a comprehensive product range, our website is easy to navigate, and the shopping cart is a smooth experience. If you know what model you want, you can find it fast using our search functions. On the other hand, you can navigate through our menus or contact a scientist.

✔ Unsure of what you need? You’re not alone! Our experts are highly-trained and ready to guide you to the best value-for-money product for your application. If your needs are complex, don’t worry. We’ll do our research and then recommend your best solution – even if it’s not supplied by Instrument Choice!

✔ Huge Range of Products: We are a one-stop-shop with solutions for a wide range of applications.

✔ Not in Our Range? We will track it down for you, no worries.

✔ Order Your Way: Ordering options to suit you - online, phone, fax, email, mail. Pay by Visa, Mastercard, Amex, EFT, Cheque, Account (application required).

✔ Free 30 Day Accounts Available: Australian or New Zealand councils, universities, schools, hospitals or government departments will be automatically set-up with a free account. Also, Instrument Choice’s quotes and delivery procedures conform to government best practice procedures.

📦 #4. FREE EXPRESS SHIPPING

Why pay for shipping when Instrument Choice has negotiated such amazing freight rates for Australia and New Zealand? Overnight shipping is available to capital cities for 93% of stocked items, the rest still travel by express road to get to you quickly.

We insist you pay zero, zilch… absolutely nothing for shipping on orders over $100 (inc. GST)!

Get details about our super-fast and secure shipping options here

🔰 #5. GUARANTEED RISK-FREE PURCHASING

Imagine you buy your equipment, it arrives and - oh no – it’s wrong for your application. What a bummer! Relax, Instrument Choice will make sure you’ll never be stuck with any unwanted scientific instrument.

Here’s how we guarantee you risk-free purchasing:

✔ 30-day free returns & money-back guarantee – Instrument Choice’s free returns policy means that for any warranty claim, Instrument Choice will absorb the freight costs to return your purchased item. We offer our customers this irrespective of whether you are entitled to your money-back or a replacement product!

✔ Additional 1 Year Product Warranty - Compare the difference! Nearly all scientific instrument suppliers charge an additional 15-40% for an extended warranty. We automatically provide an extended extra 1 year warranty free of charge!

Let’s be clear. We stand by our equipment and our customers. Instrument Choice’s warranty exceeds that of any other supplier, as well as the warranty of the manufacturer. We will add an extra 1-year warranty on everything apart from consumables. *

* Consumables include any item(s) used in conjunction with the operation of a product that degrades over time and needs regular replacement. To assist you with your purchase, Instrument Choice lists any consumables required for the operation of a product on its relevant product page. Examples of consumables include but are not limited to:

Electrodes

Calibrations, Calibration solutions/standards

Single use data loggers

Custom Probes

Batteries

✔ Satisfaction Guarantee - If for any reason you are unhappy with your purchase and you can’t find a satisfactory outcome under our Returns or Extended Warranty policies, please contact us and tell us share your concerns. Our commitment is to ensure you will always be satisfied with our service.

Contact our expert scientists now to get the right meter or data logger to suit your needs and discuss your project.

Phone: 1300 964 137

Email: customer-service@instrumentchoice.com.au