FRM7001 Radar Manhole Level Gauge

Power supply

57Ah rechargeable lithium-ion battery

Radar sensor (configured by the user according to requirements)

Built-in 120G radar sensor module, with the following parameters:
Transmit Frequency: 120GHz

Output Power (EIRP): 13~20dBm

Beamwidth (-3dB): 3° horizontally, 3° vertically

Range: 0.2~40m

Measurement Accuracy: ±10mm

Resolution: 1mm

Response Time: 3s

Pressure and level transmitter (configured according to user requirements)

Distance range: 0.1-10m

Measurement accuracy: 0.5%F.S

Resolution: 1mm

Storage

1. Built-in 64M data storage chip, capable of storing 100,000 data entries, with a storage time of ≥10 years.

2. Built-in ferroelectric memory chip for storing configuration data, with a write/erase cycle capacity of ≥10 billion times.

Wireless Communication

Supports NB/4G wireless transmission, NB transmission is the default, 4G is optional.

Status Acquisition

Built-in current acquisition chip, capable of acquiring real-time device current.

Local Upgrade

Supports local RS485 upgrade program.

Working mode

Supports continuous operation mode and low-power operation mode

1. Continuous Operation Mode: In this mode, the device continuously samples and uploads data. Sensor data is collected periodically, with a configurable collection period; data is also reported periodically, with a configurable reporting period.

2. Low-Power Operation Mode: In this mode, the CPU controls the sensor to power on periodically to collect data. The power-on period and power-on time are configurable; the device reports data periodically, with a configurable reporting period. Reporting methods support real-time reporting and unified reporting.

Battery life

≥12 months of operation in 10-minute data collection/1-hour data transmission mode.

Communication interfaces

Standard configuration includes 1 NB-IoT or 4G wireless transmission interface and 1 RS485 interface.

Antenna Type

Waterproof fiberglass high-gain antenna

Protection Rating

P68

Operating Temperature

-30~85℃

Storage Temperature

-40~85℃