产品简介
DPF302-NEMA
DPF302-NEMA
产品价格:¥1000
上架日期:2017-09-26 13:20:10
产地:美国OMEGA
发货地:深圳
供应数量:不限
最少起订:1件
浏览量:64
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详细说明

    DPF302-NEMA详细介绍

    DPF302-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 Extrb 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 perb 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 b or square root extrb 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 remoby 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 Debors: /sec, /min, /hr or "blank"
    Unit Debors: 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

    DPF302-NEMA


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