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DPF301-NEMA美国OMEGA DPF301-NEMA厂价供应

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产品名称: DPF301-NEMA美国OMEGA DPF301-NEMA厂价供应
产品型号: DPF301-NEMA
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DPF301-NEMA美国OMEGA DPF301-NEMA厂价供应由美国omega原厂渠道的深圳鑫博恒业科技有限公司特价提供,DPF301-NEMA美国OMEGA DPF301-NEMA厂价供应精度高,寿命长,DPF301-NEMA美国OMEGA DPF301-NEMA厂价供应是值得信赖的精密仪表.


DPF301-NEMA美国OMEGA DPF301-NEMA厂价供应的详细介绍

DPF301-NEMA美国OMEGA DPF301-NEMA厂价供应

DPF301-NEMA

经济型4-20 mA回路供电指示器
DPF300 Series
2年保修 CE OmegaCare
经济型4-20 mA回路供电指示器
Available with Dual Rate/Total, Display 
Linear or Square Root Extraction of Input 
8-Digit Totalizer Display 
Calibration Fully Programmable Through Keypad
The DPF301 Series comprises 4 to 20 mA loop-powered panel-mount indicators that display process variables in engineering units (GPM, LPM, psig, %RH, etc.), with an adjustable decimal point for rate and total display. Because these indicators take power directly from the current loop, the user can perform programming on the front keypad; there are no jumpers to configure or potentiometers to scale. An internal lithium battery ensures that all programming is retained in memory, even when the loop power is disconnected. The DPF301 can be programmed for either a linear input or square root extraction for use with differential pressure flowmeters.
The DPF301 general purpose indicator features one 41.2 digit rate display, while the DPF302 flow indicator has a dual, 2-line, 4? digit rate display and 8-digit totalizer. The totalizer can be reset from either the front keypad or remotely via a contact closure.
The DPF300 Series indicators are available in a choice of panel-mount, NEMA 4X (IP66), or explosion-resistant enclosures.
规格:
Scalable Input Range: 3.8 to 21 mA Internal Battery (Memory Only): 3V 250 mAh lithium (2-year standby life) Rate Display (DPF301 and DPF302): 41.2 digits max (19999), 8.89 mm (0.35") high Totalizer Display (DPF302 Only): 8 Digits (99999999), 5.08 mm (0.2") high
Rate Descriptors: /sec, /min, /hr or "blank"
Unit Descriptors: Gal, Lit, FT3, M3, "blank"
Display Indications: Low battery and under/over range
Input: 4 to 20 mA DC, overcurrent protection to 60 mA, reverse polarity protected
Loop Voltage Drop: 6V max Housing
Standard: Round panel mount with NEMA 4X (IP66) sealed keypad membrane
Optional: Glass-filled polycarbonate NEMA 4X (IP66) enclosure, or explosion-resistant housing for NEMA 7, NEMA 4 (IP66), Class I, Groups B, C and D; Class II, Groups E, F and G
Ambient Temperature: -20 to 70°C (-4 to 158°F)
Extended Temp Option: -30 to 70°C (-22 to 158°F)
Accuracy (Rated @ 20°C): 0.1% FS resolution, ±1 count
Temperature Drift: 50 ppm/°C typical, 200 ppm/°C worst case
Low Cutoff: A rate below 1% of selected scale (10% of square root scale) will assume the "set lo" value
Update Rate: For rate or total, once every 2 seconds
Weight:
Basic Unit: 227 g (0.5 lb)
With NEMA Enclosure: 454 g (1 lb)
With Explosion-Resistant Housing: 1.6 kg (3.5 lb)
注释: Comes complete with operator’s manual.
For NEMA 4X polycarbonate enclosure, add suffix "-NEMA" to model number, add $100 to price.
For explosion-resistant housing, add suffix "-EXP" to model number, add $305 to price.


产品型号/产品描述
DPF301 General purpose panel mounted 4-20 mA loop-powered ratemeter/indicator
DPF301-NEMA NEMA 4x housing for panel mounted 4-20 mA loop-powered ratemeter/indicator
DPF301-EXP Explosion resitant housing for panel mounted 4-20 mA loop-powered ratemeter/indicator
DPF302 Panel-mounted 4-20 mA loop-powered ratemeter and totalizer for flow
DPF302-NEMA NEMA 4x housing for panel mounted 4-20 mA loop-powered ratemeter and totalizer for flow.
DPF302-EXP Explosion resitant housing for panel mounted 4-20 mA loop-powered ratemeter and totalizer for flow

DPF301-NEMA

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