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現(xiàn)場可調(diào)，BACnet/Modbus輸出IEFB是一種現(xiàn)場可調(diào)插入式熱能計(jì)，使用電磁技術(shù)精確可靠地測量流體速度和能量消耗

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現(xiàn)場可調(diào)，BACnet/Modbus輸出
IEFB是一種現(xiàn)場可調(diào)插入式熱能計(jì)，使用電磁技術(shù)精確可靠地測量流體速度和能量消耗。高精度IEFB可調(diào)，以適應(yīng)4至10"（100至250 mm）的管道尺寸，而標(biāo)準(zhǔn)精度IEFB適用于4至36"（100至900 mm）的管道尺寸。IEFB將一個溫度計(jì)和一個計(jì)算器集成到一個單元中。液晶顯示屏提供儀表值的清晰讀數(shù)，包括溫度和能耗，因此非常適合安裝在冷水機(jī)組、鍋爐和其他加熱和制冷應(yīng)用中。測量精度高，壽命長，年運(yùn)行成本。此外，它還提供多種輸出選項(xiàng)，包括2線RS-485上可選擇的BACnet MS/TP或ModbusRTU通信協(xié)議和標(biāo)準(zhǔn)模擬、頻率和報(bào)警輸出。
產(chǎn)品應(yīng)用
監(jiān)控冷水機(jī)冷卻輸出性能工業(yè)鍋爐加熱性能能效監(jiān)控?zé)崮軆?yōu)化性能商業(yè)和住宅熱能消耗和計(jì)量區(qū)域供熱和制冷監(jiān)控能源成本分配監(jiān)控功能靈活，現(xiàn)場可配置設(shè)置顯示（-LCD集成選件或遠(yuǎn)程附件A-IEF-DSP）可適應(yīng)多種應(yīng)用配置。應(yīng)用信息可選擇顯示，包括管道尺寸、管道材料、液體類型、模擬輸出、脈沖/頻率輸出、警報(bào)輸出、通信、輸出、阻尼和校準(zhǔn)系數(shù) 通過溫度變化保持高性能精度，密度和/或粘度安裝向?qū)Ш桶惭b工具易于使用，提供快速和精確的安裝
附件安裝套件A-IEF-kit配有測厚儀和卷尺，以確保準(zhǔn)確的安裝深度流量計(jì)沒有可防止結(jié)垢的移動部件和電極，這使流量計(jì)具有較長的使用壽命限度地減少維護(hù)的需要熱取壓隔離閥配件允許在操作系統(tǒng)中輕松安裝和拆卸，而無需系統(tǒng)停機(jī)

Service:Compatible clean or dirty non coating, conductive liquids.

Range:0 to 20 ft/s (0 to 6 m/s). *For max flowrates >10 ft/s (3 m/s) order option -CC.

Wetted Materials:

Body shaft/fitting: 316 SS; Electrodes: 316 SS; Electrode cap: Polymer/polystyrene; O-ring:Silicone; Thermowells: 304 SS.

BTU Accuracy:

Per EN1434/ASTM E3137/CSA C900.1-13: High Accuracy Units: Class 2 for 2 to 20 ft/s (0.6 to 6 m/s)**; Standard Accuracy Units: Class 3 for 6.5 to 20 ft/s (2 to 6 m/s)**.
**Verified at standard temperature 73.4°F (23°C) refer to listed standards for detailed accuracy formulations.

Flow Sensor Accuracy:High Accuracy Units: ±0.5% of reading at calibrated velocity, ±1% of reading from 2 to 20 ft/s (0.6 to 6 m/s) ±0.02 ft/s (±0.006 m/s) at < 2 ft/s (0.6 m/s); Standard Accuracy Units: ±1% FS.

Temperature Accuracy:Class B ±(0.30 + 0.005*t)°C per EN60751.

Differential Temperature Accuracy:Et = ±[0.5 +3*(Delta)(Theta)min/(Delta)(Theta)] % per EN1434 for differential temperature.

Calculator Accuracy:Ec = ±[0.5 +(Delta)(Theta)min/(Delta)(Theta)] % per EN1434.

Temperature Compensation:140 to 220°F (60 to 104.4°C) < 2% error over ±30°F (-1.1 °C) change, 40 to 70°F (4.4 to 21.1°C) < 2% error over ±10°F (-12.2°C) change.

Temperature Limits:Ambient: -20 to 160°F (-29 to 71°C)**; LCD -4 to 158°F (-20 to 70°C); Process: 15 to 250°F (-9 to 121°C); Storage: -40 to 185°F (-40 to 85°C).

Process Connection:Flowmeter: 1" NPT or BSPT with accessory full port ball valve options; Thermowell: (2) 1/2" NPT or BSPT thermowell with 1" full port ball valve options.

Pressure Limit:400 psi (27.6 bar) @ 100°F (37.8°C).

Pressure Drop:< 0.1 psi at 12 ft/s in 4" (<0.01 bar at 3.7 m/s in 100 mm) and larger pipe.

Outputs:(1) Analog: 4-20 mA, 0-5 V, 0-10 V or 2-10 V (display selectable); (1) Pulse/Frequency: 0-15 V peak pulse, 0 to 500 Hz or scalable pulse output (display selectable); (2) Alarm: Empty pipe detection or minimum/maximum velocity, (display selectable) & Reverse flow output indication.

Power Requirements:12-42 VDC, .25 A @ 24 VDC; 12-36 VAC.

Electrical Connection:Removable terminal blocks, (2) model selectable 1/2" female NPT conduit connection, (2) PG 16 glａnd or (2) PG 16 glａnd with 10 ft (3 m) 9 conductor 22 AWG plenum rated cables, accessory cable lengths up to 200 ft (61 m) optional.

Display:(-LCD option): 2 x 2" (50 x 50 mm) graphic LCD with backlight.

Model	Description
IEFB-FB-PGR10LCDCOM	Insertion Electromagnetic energy system with display, 4" (100 MM) pipe, 1% of reading, BSPT process connections, PG 16 gland, BACNET/MODBUS® communication output
IEFB-FB-PG-T10-LCD	Insertion Electromagnetic energy system with display, 4" (100 MM) pipe, 1% of reading, BSPT process connections, PG 16 gland
IEFB-FN-CNDR10LCDCOM	Insertion Electromagnetic energy system with display, 8" (200 MM) pipe, 1% of reading, NPT process connections, PG 16 gland, BACNET/MODBUS® communication output
IEFB-HB-PG-R10-LCD	Insertion Electromagnetic energy system with display, BSPT process connections, PG 16 gland
IEFB-HB-PGR10LCDCOM	Insertion Electromagnetic energy system with display,BSPT process connections,PG 16 gland, BACNET/MODBUS® communication output
IEFB-HB-PG-T10-LCD	Insertion Electromagnetic energy system with display, BSPT process connections, PG 16 gland
IEFB-HB-PGT10LCDCOM	Insertion Electromagnetic energy system with display, BSPT process connections, PG 16 gland, BACNET/MODBUS® communication output
IEFB-HN-CND-R10-LCD	Insertion Electromagnetic energy system with display, NPT process connections, conduit connections