Brief Introduction
|
Accuracy: |
±0.5% of measured value |
Pipe Size: |
25mm~5000 mm (1″~200″) |
|
Output: |
RS485, 4-20mA, OCT, Relay |
Medium Temperature: |
-40℃~80℃ |
Product Introduction
The D118 Ultrasonic Flowmeter is a high-performance time-difference liquid flowmeter, integrated with ARM chips and low-voltage wide-pulse transmission tech. It's ideal for continuous measurement of homogeneous liquids (without high-concentration suspended particles/gases) in industrial scenarios, delivering 0.5% accuracy under standard conditions and 0.1% repeatability.
Featuring a user-friendly window-based interface, it supports easy parameter setup and metric/imperial unit switching. It has TF card storage (≥1000 days of data), RS485 communication (MODBUS protocol), and multiple outputs (4-20mA, pulse, relay). With IP65/IP68-rated durable design, it's widely used in water supply, petroleum, chemical, food, and pharmaceutical industries.

- Municipal Engineering
- Industrial water monitoring, commercial water supply metering
- Water and wastewater management
- HVAC (Heating, Ventilation, and Air Conditioning) systems
- Process industries (chemical, pharmaceutical, food and beverage)
- Energy management and environmental monitoring
- Agriculture and irrigation systems
- Research and development
- Facilities management
- Industrial maintenance and troubleshooting
- Carbon footprint, carbon audit, carbon assessment, carbon neutrality, and carbon trading etc.
Product Parameter
Technical Parameters
|
Performance specifications |
|
|
Measurable Flow Velocity Range |
±0.01m/s~±12 m/s (±0.03 ft/s~±40 ft/s) |
|
Accuracy |
0.5% (0.5~5m/s standard condition) |
|
Repeatability |
0.1% |
|
Pipe Size Range |
Clamp-on type: 25mm~5000 mm (1″~200″) Insertion type: 50mm~5000 mm (2″~200″) |
|
Function specifications |
|
|
Output |
Analog output: 4~20mA, maximum load 750Ω Pulse output: 0~9999Hz, OCT output (maximum and minimum frequencies adjustable) Relay output: max. frequency 1Hz ( 1A@125VAC or 2A@30VDC ) |
|
Communication |
RS485, available to MODBUS protocol |
|
TFCard |
Storage period: More than 1000 days Storage interval: 1~3600 seconds |
|
Power Supply |
90~245VAC(48~63Hz)or 10~36VDC |
|
Keyboard |
24-key touch keyboard |
|
Display Screen |
3.71-inch TFT color screen |
|
Temperature |
Transmitter ambient temperature: -10℃~50℃ Sensor medium temperature: -40℃~80℃ (standard) |
|
Humidity |
Up to 99% RH, non-condensing. |
|
Physical specifications |
|
|
Transmitter |
Die-cast aluminum chassis, IP rating: IP65 |
|
Transducer/Sensor |
Sealed design, IP rating: IP68 Standard cable length: 9m, can be extended to 305m |
|
Weight |
Transmitter: Approximately 2.2kg Clamp-on sensor: Approximately 2kg per pair Insertion sensor: Approximately 4kg per pair |
Body Parameters

Appearance

Installation



FAQ
Q: What outputs does D118 offer?
A: 4-20mA, pulse and relay outputs.
Q: What's D118's accuracy under standard conditions?
A: It has 0.5% accuracy under standard conditions.
Q: Does D118 support MODBUS protocol?
A: Yes, it supports RS485 with MODBUS protocol.
Q: How long can D118 store data via TF card?
A: It can store data for over 1000 days.
Q: What IP rating does D118 have?
A: Its transmitter is IP65, sensor IP68.
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Products Description
1)Technical Parameters
|
Performance specifications |
|
|
Measurable Flow Velocity Range |
±0.01m/s~±12 m/s (±0.03 ft/s~±40 ft/s) |
|
Accuracy |
0.5% (0.5~5m/s standard condition) |
|
Repeatability |
0.1% |
|
Pipe Size Range |
Clamp-on type: 25mm~5000 mm (1″~200″) Insertion type: 50mm~5000 mm (2″~200″) |
|
Function specifications |
|
|
Output |
Analog output: 4~20mA, maximum load 750Ω Pulse output: 0~9999Hz, OCT output (maximum and minimum frequencies adjustable) Relay output: max. frequency 1Hz ( 1A@125VAC or 2A@30VDC ) |
|
Communication |
RS485, available to MODBUS protocol |
|
TFCard |
Storage period: More than 1000 days Storage interval: 1~3600 seconds |
|
Power Supply |
90~245VAC(48~63Hz)or 10~36VDC |
|
Keyboard |
24-key touch keyboard |
|
Display Screen |
3.71-inch TFT color screen |
|
Temperature |
Transmitter ambient temperature: -10℃~50℃ Sensor medium temperature: -40℃~80℃ (standard) |
|
Humidity |
Up to 99% RH, non-condensing. |
|
Physical specifications |
|
|
Transmitter |
Die-cast aluminum chassis, IP rating: IP65 |
|
Transducer/Sensor |
Sealed design, IP rating: IP68 Standard cable length: 9m, can be extended to 305m |
|
Weight |
Transmitter: Approximately 2.2kg Clamp-on sensor: Approximately 2kg per pair Insertion sensor: Approximately 4kg per pair |





