Intelligent Submersible Level Sensor with Temperature Compensation for Accurate Readings and Longevit

YD-322A Diaphragm Level Transmitter

Core Features

• Advanced diffused silicon sensor

• Overpressure/lightning/EMI protection

• Standard 4-20mA output

• Optional display & HART protocol

Advantages

• High accuracy with temperature compensation

• Robust protection features

• Cost-effective solution

• Custom configurations available

Parameter Intelligent Submersible Oil Level Temperature Sensor Monitor

Measure range

Gauge pressure
H2O	Range	0…1		0…3	0…5	0…10		0…20	0…50		0…100
	overload	3		10	10	25		50	100		200
	Range	0…200		0…300
	overload	400		600
temperature range
℃	-20…80		-20…60		0…60		0…100

Absolute pressure
H2O	Range	0…10		0…20	0…50	0…100		0…200	0…300
	overload	20		50	100	200		400	600
temperature range
℃	-20…80		-20…60		0…60		0…100

Output signal

Current (2-wire system) shared by dual power supply	4…20mA
Voltage (3-wire system) shared by two-way power supply	DC 0…10V ；DC 0…5V；DC 1…5V
	DC 0.5…4.5V
Proportional voltage (3-wire system) shared by dual power supply	DC 0.5…4.5V
digital output single	4…20mA+RS485
	RS485 ；I2C

Load (Ω)

Current (2-wire system): ≤ (power supply voltage -8V)/0.02A

Voltage (3-wire): >Maximum output signal/1mA

Proportional voltage (3-wire system): >10K

Supply voltage

Output signal	Power
	standard	Optional
4…20mA	DC 8…30V
DC 0…10V	DC 14…30V
DC 0…5V	DC 8…30V	DC 3…5V
DC 1…5V	DC 8…30V	DC 3…5V
DC 0.5…4.5V	DC 8…30V	DC 3…5V
DC 0.5…4.5V(Proportional voltage)	DC 5V±10%
4…20mA+Hart	DC 12…30V
4…20mA+RS485	DC 8…30V
RS485	DC 8…30V	DC 3…5V
I2C	DC 3…5V

Total current consumption

Current (2-wire system): signal current, maximum 25mA

Voltage (3-wire system): 2.5mA

Proportional voltage (3-wire system): 2.5mA

Accuracy

Level accuracy	standard	Optional
Complies with JJG 860, JJ G882 standards
Range ≧ 10H2O	0.5%FS	0.25%FS;0.1%FS
Range ≧ 3H2O	0.5%FS	0.25%FS
Range ≧ 1H2O	1%FS	0.5% FS
temperature accuracy
	±1℃	±0.5℃；±0.3℃
level resolution	0.01%FS
Temperature Resolution	0.1℃

Temperature range

		standard	Optional
Operating temperature		-20℃～85℃	-40℃～125℃
Compensation temperature	10H2O≧Range	0℃～50℃
	10H2O≤Range	0℃～70℃	-10℃～80℃
storage temperature		-40℃～125℃

Temperature drift

		standard	Optional
Zero temperature drift	1H2O≧Range	±0.05%FS/℃	±0.02%FS/℃
	10H2O≤Range	±0.03%FS/℃	±0.02%FS/℃
Full-scale drift	1H2O≧Range	±0.05%FS/℃	±0.02%FS/℃
	10H2O≤Range	±0.03%FS/℃	±0.02%FS/℃

Long-term stability

≤0.2%FS/year@0.5%FS

Response time

	Range	standard	Optional
boot time		100ms	10ms
Response time		10ms	1ms
stable schedule	≧10H2O	15s
	≤10H2O	1min

Anti-vibration

10g (IEC 60068-2-6 standard, under resonance conditions)

Impact resistance

500g (IEC 60068-2-27 standard, mechanical shock)

Service life

1 million pressure cycles

Dimension

Model	Output signal
YD601	4…20 mA
	0…5V DC
	0…10V DC
	0.5…4.5VDC Proportion
	0.5…4.5VDC
	I2C
	RS485
	4…20mA+RS485
	Lightning protection products

Material

	standard	Optional
Diaphragm material	1.316L	2.Tantalum; 3.C-276,4.TC4,5.Al2O3
Shell material	1.304SS	2.316L,3.TC4

Main Technical Parameters

• Measuring Range: 0–200 m (customizable)

• Output Signal: 4–20 mA, 1–5 V, or 4–20 mA with HART protocol

• Operating Voltage: 24 V DC (12–36 V DC / 18.5–45 V DC), or 220 V AC, 50 Hz

• Accuracy: 0.1% F.S., 0.2% F.S., or 0.5% F.S.

• Connection Types: Threaded, clamp, flange, or diaphragm seal (customizable)

• Explosion Protection: Standard / Exd IIB T4 / Exia IIC T6

• Electrical Connection: Cable outlet, explosion-proof connector, or terminal (customizable)

• Overload Capacity: 1.7× maximum measuring range

Product Features

• High stability and reliability, resistant to overload and impact

• Compact and robust structure, easy to install in any orientation

• Imported sensing element: low temperature drift, high stability and accuracy

• Strong anti-interference: waterproof, dustproof, shockproof, and corrosion-resistant

Applications
Petroleum, chemical, power, water treatment, mining, pharmaceutical, and food industries.

Product Tags:

submersible level sensor with temperature compensation

      

intelligent submersible level sensor

      

accurate submersible level sensor

      

Intelligent Submersible Level Sensor with Temperature Compensation for Accurate Readings and Longevit Images