

Product Features:
Hydrotechnik WLB-DPG, Watchlog Bluetooth Digital Pressure Gauge, 0 to 1000 Bar
The Watchlog WLB-DPG is a high-precision Bluetooth digital pressure gauge designed for accurate, real-time monitoring and data logging. Featuring a large rotatable LCD display, robust shock-resistant design, and Bluetooth connectivity for iOS and Android, it’s ideal for portable pressure measurement, calibration, and industrial applications.
AVAILABLE MODELS
| Part Number | Measuring Range |
|---|---|
| WLB-DPG-V016 | -1 to +16 bar |
| WLB-DPG-0060 | 0 to 60 bar |
| WLB-DPG-0160 | 0 to 160 bar |
| WLB-DPG-0250 | 0 to 250 bar |
| WLB-DPG-0400 | 0 to 400 bar |
| WLB-DPG-0700 | 0 to 700 bar |
| WLB-DPG-1000 | 0 to 1000 bar |

TECHNICAL SPECIFICATIONS
| Specification | Details |
|---|---|
| Pressure Ranges | Negative/Compound Pressure: Vacuum to 1 & 16 bar Low Pressure (on request): 0…0.1, 0.4 & 0.6 bar Medium Pressure: 0…60, 160 & 250 bar High Pressure: 0…400, 700 & 1000 bar |
| Overload Capacity | 200% of FS (up to 400 bar) 150% of FS (700 bar range) 120% of FS (1000 bar range) |
| Backlight Colour | White |
| Dimensions | 143.5 × 75 × 40.5 mm |
| Accuracy | ±0.2% FS |
| Long-term Stability | ±0.3% FS/year |
| Operating Temperature | -20°C to +65°C |
| Electrical Protection | Anti-electromagnetic interference design |
| Measuring Medium | Oil, water, gas, and other stainless-steel corrosion-free media |
| Pressure Connection | G1/4" BSP (alternative threads on request) |
| Connection Material | Sensor Body: 304L Measuring Cell: 316L |
| Shell Material | TPE + ABS |
| Product Functions | Power on/off, backlight, zero reset, clear, switch extreme value, record, Bluetooth connection |
| Power Supply | 3V (2× AA batteries) |
| Power Display | Four-section battery indicator |
| Display Dial | Rotatable 330° |
| Pressure Units | MPa, bar, kgf, mH₂O, PSI, kPa, mmHg, mBAR, mmH₂O, Pa, inWC |
| Protection Level | IP54 |
| Weight | 243g (without 2× AA batteries) |
General delivery information
Thank you for visiting and shopping at www.flowfitonline.com. Below are the terms and conditions for the Shipping Policy for Harrier Fluid Power Ltd T/A Flowfit.
Orders are processed and shipped during standard working hours (08:30–17:00 BST), Monday to Friday (excluding Bank Holidays). All orders placed before 4pm Monday to Thursday and 3pm on Friday are processed and despatched on the same business day.
If we are experiencing a high volume of orders, shipments may be delayed by 1–2 days. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via email or telephone.
United Kingdom delivery rates & estimates
| Service | Price | Terms |
|---|---|---|
| FREE Delivery | FREE | Free UK delivery is available for orders over £99.99+ VAT. Delivered by close of business next working day. |
| Express Delivery | £9.99 + VAT | UK Mainland delivery for orders under £99.99 + VAT. Delivered by close of business next working day. |
| Express 9am | £42.95 + VAT | Delivered by 9am next working day. |
| Express 12pm | £20.95 + VAT | Delivered by 12pm next working day. |
| Channel Islands | ||
| Standard Delivery | £20.95 + VAT | Delivery in 2–3 working days. |
| UK Highlands & Isles | ||
| Order value below £99.99 + VAT | £31.95 + VAT | Delivery in 2–3 working days. |
| Order value over £99.99 + VAT | £28.95 + VAT | Delivery in 2–3 working days. |
* Overnight delivery is only available for certain delivery addresses within the United Kingdom. Please contact us beforehand to confirm eligibility.
Email sales@flowfitonline.com or call 01584 876 033.
Collection: Customers are welcome to arrange collection using a courier of their choosing, or collect in person from our depot in Ludlow, Shropshire. Please advise us in advance so we can ensure your order is complete before collection.
International delivery rates & estimates
Shipping charges depend on weight and destination country and are calculated and displayed at checkout. Orders for delivery within the EU typically arrive on a 2–5 day service (depending on the destination). Shipments outside the EU typically arrive on a 3–7 day service (depending on the destination).
Please contact our Sales team for accurate delivery times. If your parcel has not arrived within the expected timeframe, please get in touch. Please ensure the shipping address entered at checkout is correct; we are not responsible for incorrect or undeliverable addresses.
Customs, duties and taxes
Import duties, taxes, and brokerage fees are not included in the product price or shipping and handling costs. These charges are the buyer’s responsibility. You may check with your country’s customs office to determine any additional costs.
By placing an international order (shipping outside the United Kingdom), the buyer is responsible for complying with their country’s laws, regulations, and restrictions. If a product is seized and destroyed by customs, we will not be responsible for losses, products, or shipping refunds.
Shipment confirmation & order tracking
You will receive a Shipment Confirmation email once your order has shipped, containing your tracking number(s). Tracking will be active within 24 hours.
Working closely with top carrier experts
We use some of the top carrier companies in the world, although you can also use your own carrier to collect your order. All deliveries require a signature on delivery. Below are our main carrier companies.

Damages
Harrier Fluid Power Ltd T/A Flowfit is not liable for products damaged or lost during shipping. If you receive your order damaged, please contact us to file a claim. Please save all packaging materials and damaged goods before filing a claim.
Returns policy
Our Return & Refund Policy provides detailed information about options and procedures for returning your order.
Technical Information for WLB-DPG Digital Pressure Gauges
Operating & App Manual for for WLB-DPG Digital Pressure Gauges
Click here to view video:
https://youtu.be/ZsVAlXbAL2M?si=GXbybse8JKHYCcw1