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DHT Series THIRD GENERATION - Digital Hydraulic Tester DHT03-B | FT11512-11

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Description & Features

The WEBTEC DHT Series Third Generation tester is a self-contained, battery-powered instrument designed for testing and diagnosing hydraulic systems in the field. Measuring flow from 8 to 300 L/min (2 to 80 US gpm) at pressures up to 420 bar (6000 psi), the DHT03-B also monitors fluid temperature and incorporates an integral load valve, allowing system loading without additional equipment.

Accuracy is rated at ±1% of full scale for flow, ±1.6% for pressure, and ±1°C for temperature. A 1" BSPP port accommodates straightforward inline installation, while IP65 protection and a fluid temperature tolerance of -10 to 125°C (14 to 257°F) suit varied site conditions. The unit runs on a standard 9V alkaline battery with an approximate 240-hour service life. A painted mild steel and high-tensile aluminium body with FKM seals provides durability at a net weight of 6.5 kg (14 lbs).

SKU: FT11512-11
Supplier Part Number (MPN): DHT03-B

Specifications

Brand
WEBTEC
Brand
Webtec
Pack Size
1.00
UOM
EA
Supplier Part Number
FT11512-11
Flow Accuracy
±1% Full Scale
Pressure Accuracy
±1.6% Full Scale
Temperature Accuracy
±1°C / ±2°F
Ambient Temperature
-10 to 50 °C, 14 to 122 °F
Battery Life
Approximately 240 hours - Low power consumption
Body Materials
Painted Mild Steel and High Tensile Aluminium
Compatible Fluid
Mineral oils to ISO 11158 (other fluids on request)
Flow Range (US gpm)
2 - 80
Flow Range (L/min)
8 - 300
Fluid Temperature Range
-10 to 125 °C, 14 to 257 °F
Gross Weight
7.7 kg, 17 lbs
Internal Materials
Painted Mild Steel and High Tensile Aluminium
IP Rating
IP65
Maximum Rated Flow
300 L/min, 80 US gpm
Max Rated Pressure
420 bar, 6000 psi
Net Weight
6.5 kg, 14 lbs
Porting
1” BSPP
Power Supply
9V Alkaline Battery
Seals
FKM
Product Weight
0.99 lbs

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Product Questions & Answers (1)

Question by: Keith W on May 22, 2026, 7:33 AM
How well does the DHT03-B perform in extreme temperature conditions?
Answer by: Customer Support on May 23, 2026, 10:47 AM
The DHT03-B is equipped to handle fluid temperatures ranging from -10 to 125 °C (14 to 257 °F) and ambient temperatures from -10 to 50 °C (14 to 122 °F). This makes it suitable for a broad range of environmental conditions, maintaining reliable performance even in more extreme temperatures.