Our company's rotary float level meters include models with local pointer display, wireless remote transmission, and level switch options, which can be combined according to actual project requirements. The output signals are flexible and selectable: 4-20mA, 4G 4-20mA, and switch signals; switch signals support selectable PNP and NPN. Compared with ordinary domestic float-type level products, there are three main differences:
1. Stronger medium adaptability: The product is custom-developed for oil and gas chemical media such as LPG, condensate oil tanks, and liquid chlorine. The float and main structure undergo special anti-corrosion optimization, allowing long-term resistance to media corrosion and preventing component aging and failure. Most similar domestic products are general-purpose level meters without targeted anti-corrosion design, and using them for special media in oil and gas chemical applications can easily lead to measurement faults and equipment damage.
2. Multiple versions available, integrating sensing and remote monitoring, with more comprehensive performance parameters: The three products are clearly positioned. The pointer local display model is suitable for intuitive local level reading; the DFT9851 wireless remote transmission model adopts a high-precision magnetic rotor sensing structure, has Ex ia ⅡC T4 Ga intrinsic safety explosion-proof capability, supports both local pointer and LCD dual display, comes standard with 4G wireless communication, and is paired with a self-developed Dingli cloud platform, allowing real-time data and limit alarm viewing via mobile phone and web. The level switch model is used for high and low-level point alarms. DFT9851 can simultaneously collect level, pressure, temperature, and acceleration, with core accuracy: level ±2.5% F.S., pressure ±0.5% F.S., temperature ±1℃, acceleration ±5%; most domestic similar products have a single version, limited signal output forms, only supporting local single-level indication, usually with 4-20mA wired output, lacking integrated wireless transmission and point switch versions. For remote monitoring, additional gateway devices need to be purchased, leading to high integration costs and poor practicality.
3. Strong vibration resistance and stability, supporting customized integrated delivery: Specifically optimized for the jostling of tanks and mobile storage tank bodies and medium disturbance conditions, the DFT9851 can stably operate under ±8g acceleration conditions, effectively reducing the risk of float sticking and signal drift; the structure can be customized according to tank size, installation method, and operational requirements. The entire set of instruments, from sensor probes, signal acquisition, wireless transmission to cloud monitoring, can be delivered as an integrated solution, domestically developed with fast delivery response; domestic general products have weak vibration resistance, cannot adapt to the complex conditions of mobile tanks, require significant installation modifications in space-limited scenarios, and can only provide standardized equipment with poor adaptability.
Deleetech DFT9851 Wireless Remote Rotary Float Level Meter, core accuracy: level ±2.5% F.S., pressure ±0.5% F.S., temperature ±1℃, acceleration ±5%; level range 0~3m, pressure range 0~1.7MPa~35MPa, medium temperature measurement range -30℃~50℃. The device supports free switching of multiple units for level (%, L), pressure (MPa), and temperature (℃), adopts GPS base station dual positioning mode to ensure accurate traceability of tank location. The device is suitable for harsh outdoor environments, with an operating temperature range of -40℃～85℃, environmental humidity <90% RH, equipped with a 3.6VDC, 76000mAH high-capacity battery, default data transmission frequency of once every 60 minutes, low power consumption with long-lasting endurance, requiring no frequent maintenance.
Deleetech Rotary Float Level Meter Common Questions Summary:
Q1: Can the DFT9851 wireless remote rotary float level meter simultaneously collect multiple types of data such as liquid level, pressure, and temperature?
A: Yes. The device supports synchronous collection and monitoring of multiple parameters including liquid level, pressure, temperature, and acceleration. All data is uploaded to the cloud, eliminating the need for additional detection equipment, providing one-stop comprehensive monitoring of tank conditions.
Q2: How long can the device's high-capacity battery last under normal conditions, and does it require frequent charging?
A: The device is equipped with a 76,000mAh high-capacity battery. With the default data transmission frequency of once every 60 minutes and low-power operation mode, it can maintain long-term stable performance under normal conditions without frequent charging or battery replacement, resulting in low maintenance costs.
Q3: Can the device operate normally and stably in harsh outdoor high and low temperature environments?
A: It is suitable for harsh outdoor conditions, with an environmental tolerance temperature of -40℃ to 85℃, and a medium measurement temperature range of -30℃ to 50℃. It can measure stably in high humidity and extreme temperature environments without data drift or device failure.
Q4: Is the device's positioning function accurate, and can it track the location of moving tank containers?
A: It uses dual positioning with GPS and base stations, providing accurate positioning and stable signals. It can track the real-time location of moving storage and transport tanks, suitable for tank transport and fleet scheduling management scenarios.
Q5: Can the measurement units of the device be customized and switched?
A: Custom unit switching is supported. Liquid level units can switch between % and L; pressure defaults to MPa, and temperature defaults to ℃. Units can be flexibly adjusted according to the customer's on-site usage habits and management requirements.
Q6: Can the device's range adapt to different pressure conditions?
A: The pressure range covers a wide interval from 0~1.7MPa to 35MPa, suitable for most LPG, condensate oil, and liquid chlorine storage and transport tank pressure conditions. Special non-standard ranges can be customized for adaptation.
Q7: What signal outputs are available for the level meter?
A: Signal output options are flexible, supporting 4-20mA, pointer 4-20mA, 4G 4-20mA, and switch signals selectable as PNP or NPN. Selection can be made based on project needs or a combination of multiple models.
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