Emerson Rosemount 8732 Power Consumption, Switch-on current, Ambient Temperature Limits Operating

Reference Manual

00809-0100-4665, Rev AA August 2010

Rosemount 8732

Figure A-4. 8732E DC Load
Limitations			600
		(Ohms)	500		Operating
		Load
					Region
			0
				10.8		30
					Power Supply (Volts)
	Rmax = 31.25 (Vps – 10.8)
	Vps =		Power Supply Voltage (Volts)
	Rmax = Maximum Loop Resistance (Ohms)

Power Consumption

10 watts maximum

Switch-on current

AC: Maximum 26 A (< 5 ms) at 250 V AC

DC: Maximum 30 A (< 5 ms) at 42 V DC

Ambient Temperature Limits

Operating

–58 to 165 °F (–50 to 74 °C) without local operator interface 13 to 149 °F (–25 to 65 °C) with local operator interface

Storage

–40 to 185 °F (–40 to 85 °C)

–22 to 176 °F (–30 to 80 °C) with local operator interface

Humidity Limits

0–100% RH to 150 °F (65 °C)

Enclosure Rating

Type 4X, IEC 60529, IP66 (transmitter)

Transient Protection Rating

The 8732E has built in transient protection that conforms to EN 61000-4-4 for burst currents and 61000-4-5 for surge currents. For CE testing the transmitter is compliant with IEC 611185-2.2000 Class 3 which is up to 2 kV and up to 2 kA protection.

Turn-on Time

5 minutes to rated accuracy from power up; 5 seconds from power interruption

Start-up Time

50 ms from zero flow

A-3