E+E EE660 Specifications

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EE660

Low Air Velocity Sensor

The EE660 is optimized for highly accurate measurement of very low air

velocity in laminar ow control and special ventilation applications, for

instance in clean rooms.

Excellent Measurement Performance

The E+E thin lm sensing element employed in EE660 operates on the hot lm anemometer principle, which stands for excellent accuracy

down to 0.15 m/s (30 ft/min), high insensitivity to pollution and low angular dependency.

Analogue and Digital Outputs

The air velocity measured data is available as current and voltage outputs, on the RS485 interface with Modbus RTU or BACnet protocol, as well as on the optional display.

Easy Conguration and Adjustment

The EE660 is user congurable with jumpers on the electronics board or via software. An optional conguration adapter and the free EE-PCS Product Conguration Software facilitate the adjustment of EE660 and the display setup.

Features

Display

» Large, easily readable » With backlight » 180° rotatable

Appropriate for US mounting requirements

» Knock-out for ½” conduit tting

Smooth cover surface

» No accumulation of dust

in protruding edges

Electronics on the underside of the board

» Optimum protection against mechanical

damage during installation

E+E sensing element

» Excellent accuracy » Long-term stability » Low sensitivity to pollution » Low angular dependency

Bayonet screws

» Open/closed with

a ¼ rotation

Mounting ange

External mounting holes

» Easy and fast mounting with

closed cover

» Electronics protected against

construction site pollution

Adjustment conguration

» Measuring range » Response time » RS485 Setup » Termination resistor

Test report according DIN EN 10204 - 2.2

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Technical Data

Measurand

Working range 1) 0...1 m/s (0...200 ft/min)

0...1.5 m/s (0...300 ft/min)

0...2 m/s (0...400 ft/min)

Accuracy at 20 °C 2) (68 °F), 0.15...1 m/s (30...200 ft/min) ± (0.04 m/s (7.9 ft/min) + 2 % of mv) 45 % RH, 1013 hPa 0.15...1.5 m/s (30...300 ft/min) ± (0.05 m/s (9.8 ft/min) + 2 % of mv)

0.15...2 m/s

Response time

Output

Analogue 0 - 10 V and 4 - 20 mA

0...1 m/s / 0...1.5 m/s / 0...2 m/s

Digital interface RS485 with max. 32 devices on one bus

Protocol Modbus RTU or BACnet MS/TP

General

Power supply (Class III) 24 V AC/DC ± 20 %

Current consumption (max.)

Angular dependence < 3% of the measured value at | ∆α | < 10° Electrical connection screw terminals max. 1.5 mm2 (AWG 16) Cable gland M16x1.5

Electromagnetic compatibility EN61326-1 EN61326-2-3 Industrial Environment

Housing material Polycarbonate, UL94V-0 (with Display UL94HB) approved Protection class Enclosure IP65 / NEMA4, remote probe IP20 Temperature range working temperature probe -25 ... +50 °C working temperature electronic -10 ... +50 °C (14...122 °F) storage temperature -30 ... +60 °C (-22...140 °F) Working range humidity 5...95 % RH (non-condensing)

1) Selectable by jumper, only for analogue output

2) The accuracy statement includes the uncertainty of the factory calibration with an enhancement factor k=2 (2-times standard deviation).

The accuracy was calculated in accordance with EA-4/02 and with regard to GUM (Guide to the Expression of Uncertainty in Measurement).

3) Selectable by jumper (analogue) and slide switch (digital)

typ. 4 sec or typ. 1 sec (at constant temperature)

-1 mA < IL < 1 mA RL< 450 Ω (linear, 3-wires)

AC supply -

no display

(30...400 ft/min) ± (0.06 m/s (11.8 ft/min) + 2 % of mv)

DC supply -

no display

Analogue ouput 74 mA rms 41 mA 180 mA rms 85 mA

Digital output 120 mA rms 50 mA - -

AC supply -

with display

DC supply -

with display

(-13...122 °F)

Dimensions mm (inch)

90 (3.54)

Duct mount

Ø > 13 (0.51)

(0.59)

~105 or 205

(~4.13 or 8.07)

GASKET

EE660

v1.4 / Modification rights reserved

Cable gland M16x1.5

FOR CONDUIT INSTALLATION

(0.59)

Ø > 16 (0.63)

155 (6.1)

Remote probe

60 (2.36)

6 (0.24)

155 (6.1)

(0.75)

(1.81)

101 (3.98)

Cable gland M16x1.5

80.6 (3.17)

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Ordering Guide

Model

Output

Probe length

Cable length

Configuration

Display no display no code

Display unit m/s no code

Protocol

Baud rate

Setup RS485

1) Factory setting: Even Parity, Stopbits 1 Modbus Map see User Guide at www.epluse.com/ee660

2) Factory setting: No Parity, Stopbits 1 Product Implementation Conformance Statement (PICS) available at www.epluse.com/ee660

3) Only for BACnet MS/TP

duct mount T2 remote probe T3 0-10 V and 4-20 mA A7

RS485 J3

100 mm 200 mm 300 mm 1 m 2 m 5 m 10 m

(3.94“) L100 (7.88“) L200 (11.82“) L300

(3.3 ft) K1 (6.6 ft) K2 (16.4 ft) K5

(32.8 ft) K10

with display (only for analogue ouput A7) D2

ft/min DA21

Modbus RTU BACnet MS/TP

9600 BD5 19200 BD6

38400 BD7

57600

76800

EE660-

BD8 BD9

Order Examples

EE660-T3J3L300K1P1BD5

Model: remote probe

Output: RS485

Probe length: 300 mm (11.82“) Cable length: 1 m (3.3 ft) Display: no display

Protocol: Modbus RTU

Baud rate: 9600

Accessories

USB configuration adapter HA011066

Product configuration software EE-PCS Power supply adapter V03 (see data sheet Accessories)

(free download: www.epluse.com/EE660)

EE660-T2A7L200

Model: duct mount Output: 0-10 V and 4-20 mA Probe length: 200 mm (7.88“)

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