VA 500
Đơn vị đo	m³/h, l/min (1000 mbar, 20 °C) in case of compressed air or Nm³/h, Nl/min (1013 mbar, 0 °C) in case of gases
Điều chỉnh đơn vị đo thông qua bàn phím màn hình	m³/h, m³/min, l/min, l/s, ft/min, cfm, m/s, kg/h, kg/min, g/s, lb/min, lb/h
Cảm biến	Thermal mass fl ow sensor
Dung chất đo	Khí , Gas
Loại khí	Khí sạch, Nitrogen, oxy, argon, helium, CO2, chân không
Độ chính xác	± 1.5% of m.v. ± 0.3 % of f.s. on request: ± 1% of m.v. ± 0.3% of f.s.
Nhiệt độ làm việc	-30...110 °C sensor tube -20...+70 °C housing
Áp suất	-1~50bar
Giao tiếp	RS-485, Modbus-RTU, M-Bus
Ngõ ra	4-20mA
Ngồn cấp	18-36VDC
Kết nối	G1/2”, ½”NPT

DESCRIPTION	ORDER NO.
VA 500 flow sensor in basic version: Standard (92.7 m/s), probe length 220 mm, without display	0695 5001
Bi-directional measurement - includes 2 x 4…20 mA analo- gueue outputs and 2x pulse outputs. These do not apply to Ethernet (PoE) and M-Bus	Z695 6000
Options for VA 500:
Display	Z695 5000
Max version (185 m/s)	Z695 5003
High-speed version (224 m/s)	Z695 5002
Low-speed version (50 m/s)	Z695 5008
1% accuracy of m.v. ± 0.3 % of f.s.	Z695 5005
Ethernet interface for VA 500/520 and FA 500	Z695 5006
Ethernet interface PoE for VA 500/520 and FA 500	Z695 5007
M-Bus board for VA 500/520 and FA 500	Z695 5004
Probe length 120 mm	ZSL 0120
Probe length 160 mm	ZSL 0160
Probe length 300 mm	ZSL 0300
Probe length 400 mm	ZSL 0400
Probe length 500 mm	ZSL 0500
Probe length 600 mm	ZSL 0600
G 1/2″ NPT male thread	Z695 5015
High-pressure protection recommended for installation from 10 to 50 bar (for VA 400/500)	0530 1105
ISO calibration certificate (5 calibration points) for VA sen- sors	3200 0001
Gas type: (specify gas type when placing order)	Z695 5009
Gas mixture: (specify gas mixture when placing order)	Z695 5010
Real gas adjustment	3200 0015
Special cleaning oil and grease free (e.g. for oxygen appli- cations)	0699 4005
LABS and silicone-free version including cleaning oil and grease-free	0699 4007
Additional calibration curve stored in the sensor (can be selected via display)	Z695 5011
Certificate of origin	Z695 5012

Flow measuring ranges VA 500 for compressed air (ISO 1217: 1000 mbar, 20 °C) Measuring ranges for other types of gas see pages 96 to 99
Inside diameter of pipe			VA 500 Standard (92.7 m/s)		VA 500 Max. (185.0 m/s)		VA 500 High-Speed (224.0 m/s)
Inch	mm		Measuring range full scale m³/h (cfm)		Measuring range full scale m³/h (cfm)		Measuring range full scale m³/h (cfm)
1/2″	16.1	DN 15	759 l/min	26	1516 l/min	53	1836 l/min	64
3/4″	21.7	DN 20	89 m³/h	52	177 m³/h	104	215 m³/h	126
1″	27.3	DN 25	148 m³/h	86	294 m³/h	173	356 m³/h	210
1 1/4″	36.0	DN 32	266 m³/h	156	531 m³/h	312	643 m³/h	378
1 1/2″	41.9	DN 40	366 m³/h	215	732 m³/h	430	886 m³/h	521
2″	53.1	DN 50	600 m³/h	353	1197 m³/h	704	1450 m³/h	853
2 1/2″	68.9	DN 65	1028 m³/h	604	2051 m³/h	1207	2484 m³/h	1461
3″	80.9	DN 80	1424 m³/h	838	2842 m³/h	1672	3441 m³/h	2025
4″	110.0	DN 100	2644 m³/h	1556	5278 m³/h	3106	6391 m³/h	3761
5″	133.7	DN 125	3912 m³/h	2302	7808 m³/h	4594	9453 m³/h	5563
6″	159.3	DN 150	5560 m³/h	3272	11096 m³/h	6530	13436 m³/h	7907
8″	200.0	DN 200	8785 m³/h	5170	17533 m³/h	10318	21229 m³/h	12493
10″	250.0	DN 250	13744 m³/h	8088	27428 m³/h	16141	33211 m³/h	19544
12″	300.0	DN 300	19814 m³/h	11661	39544 m³/h	23271	47880 m³/h	28177