Low Pressure Transmitter VRSR series | VALCOM CO.,LTD. [Specialized manufacturer of Digital Pressure Meters and Load Cells]

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Measures the low pressures (5 kPa) with high accuracy.(Nonlinearity: ±0.5%R.C.)
Abundant analog output available.
[4–20mA (2 wire system, 4 wire system), 1–5V,0–5V,0–10V]
For the cable connection to the sensor, "pigtail", "standard connector", "waterproof connector" and "terminal box" are available.

Measured medium	Dedicated to inert gases (noncorrosive gases) such as air, nitrogen, argon, etc.
Pressure Type	Positive, compound and negative pressures can be measured.
Measured Range	Can be specified of 5 kPa of rated capacity (Calibration: 2.5 to 5 kPa). Specify more than 50% of rated capacity as the calibration range.
Output type	4–20mA (2 wire system, 4 wire system), Specify among 4 to 20 mA (2-wire, 4-wire), 1 to 5 V, 0 to 5 V, and 0 to 10 V.

Non Linearity	±0.5%R.C.
Hysteresis	±0.5%R.C.
Compensated Temperature Range (Temperature of medium to be measured)	0–70°C (No condensation or freezing)
Safe Temperature Range (Temperature of medium to be measured)	−20–100°C (No condensation or freezing)
Temperature Effect on Zero Balance	±1%R.C./10°C
Temperature Effect on Load	±0.75%R.C./10°C
Safe Overload Rating	200%R.C.
Ultimate Overload Rating	300%R.C.
Insulation Resistance	50MΩ or more (DC50V)
Pressure Port Material	SUS316L + SUS304L (Pressure port: Semiconductor)
Connection Screw	R3/8
Power supply	4 DC24V (±10%), 5 DC12V (±10%) *Only 24V DC available when analog output is A5
Cable (*1)	φ6-4- or 2-core shielded cable 2m (Standard) Waterproof connector type, Pigtail type: φ6.5-4- or φ6-2-core cable in shielded (oilproof) tube
Weight	Approx. 150g (Cable not included)
Accessories	Operating manual 1 copy (Specify English or Japanese.) Test report 1 copy

Example

Selection	Check	Model	Specifications
1.Model		VRSR	Silicon diaphragm type Minute/Low Pressure Transmitter *Connection screw: R3/8
2.Analog output *Only A6 available for waterproof terminal box type	-	-	Output type	Response frequency	Safe load resistance	Power Consumption
		A2	1–5V	1kHz	5kΩ or more	Approx. 23mA
		A3	4–20mA (4-wire)	333Hz	DC24V:500Ω or less/ DC12V: 250Ω or less	Approx. 40mA
		A4	0–5V	1kHz	5kΩ or more	Approx. 23mA
		A5	0–10V	1kHz	5kΩ or more	Approx. 23mA
		A6	4–20mA (2-wire)	1kHz	DC24V:500Ω or less/ DC12V:150Ω or less	-
3.Calibration	-	-	Rated capacity	Example of calibration range
3.Calibration		See right table. Enter the range in the as it is.	5kPa	5kPa (0–5)kPa	±2.5kPa (-2.5–2.5)kPa	-5kPa (0–-5)kPa
4.Cable Connection		N	Standard connector Equivalent to IP40
		W	Waterproof connector Equivalent to IP56
		S	Pigtail Equivalent to IP54
		T	Waterproof terminal box type Equivalent to IP55 *Applicable only when analog output is A6. Cable not included
5.Power supply		4	DC24Ｖ (±10%)
5.Power supply		5	DC12Ｖ (±10%)*Not available when analog output is A5
6.Length (Cable)		2m	2m Standard
		3m	3m
		5m	5m
		10m	10m
		□□m	Other length *Contact our sales office for other cable lengths.

*Refer to line connection here

Pressure Sensor