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Dwyer 631B系列液用差压变送器

产品时间:2019-06-20

简要描述:

Dwyer 631B系列液用差压变送器
631B系列 液用差压变送器能精确地监测空气,兼容的液体或气体的差压。输出标准的两线制回路的4-20mA信号。前面板带数字按键,能够容易校准零点和量程。631系列变送器的防护级别为NEMA 4X (IP66),结构牢固,耐压500psi,并能测量差压到0.5英寸水柱。

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Dwyer 631B系列液用差压变送器

631B系列

液用差压变送器

量程可低至0.5英寸水柱,耐静压500psi

631B系列 液用差压变送器能精确地监测空气,兼容的液体或气体的差压。输出标准的两线制回路的4-20mA信号。前面板带数字按键,能够容易校准零点和量程。631系列变送器的防护级别为NEMA 4X (IP66),结构牢固,耐压500psi,并能测量差压到0.5英寸水柱。

Service: Compatible gases & liquids.

Wetted Materials: Brass, silicone, 300 SS.

Accuracy: Transmitter Output: ±2% FS (includes linearity, hysteresis and repeatability). Gage: ±3% FS at 70°F (21.1°C).

Stability: ±1% FS/yr.

Temperature Limits: 20 to 120°F. (-6.67 to 48.9°C).

Pressure Limits: -20" Hg to 500 psig (0.677 to 34.4 bar).

Thermal Effect: 0.025%/°F (0.045%/°C) includes zero & span.

Power Requirements: 10 to 35 VDC.

Output Signal: 4 to 20 mA.

Loop Resistance: 0 to 1250 Ω maximum.

Electrical Connections: M-12 circular 4 pin connector.

Process Connections: 1/4" female NPT high and low pressure taps, duplicated - one pair top for air and gas, and one pair bottom for liquids.

Enclosure Rating: Designed to meet NEMA 4X (IP66).

Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.

Weight: 8 lb 4 oz (3.74 kg).

Agency Approvals: CE.

EXAMPLE631B1NIST631B-1-NIST, Wet/wet differential pressure transmitter, range 0-1” w.c., with NIST traceable calibration certificate
SERIES631B  Capsuhelic Wet/Wet Differential Pressure Transmitter
RANGE 0
1
2
3
4
5
 0 - 0.5” w.c.
0 - 1” w.c.
0 - 2” w.c.
0 - 5” w.c.
0 - 10” w.c.
0 - 25” w.c.
OPTIONS  AT
BUNA
G
HC
M
NIST
R
ST
SPCL
VIT
Y
Aluminum Tag
Buna-N Diaphragm
Green Scale Overlay
Horizontal Calibration
Mirror Scale Overlay
NIST Traceable Calibration Certificate
Red Scale Overlay
Stainless Steel Tag
Special Cleaning
Fluoroelastomer Diaphragm
Yellow Scale Overlay

 

Dwyer 631B系列液用差压变送器

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