Define Instruments TM-2HL Operating Manual

Non-isolated Transmitter

(

USB programmable! Free so ware at
www.de neinstruments.com/toolbox

TM-2HL Common Speci cations

Con guration 2-wire 4–20mA (loop powered)

Power supply 9.5–36V DC

Supply voltage sensitivity < ±0.005%/V FSO

TM-2HL

Output load resistance 700Ω at 24V DC (50Ω/V
above 9.5V DC)

Maximum output current Limited to <28mA (Emission
& immunity)

EMC compliance Emissions (EN 61326). Immunity (EN

61326). Safety (EN 61010-1).

Accurate to <±0.03% FSO typical

Ambient dri <±0.003%/°C FSO typical

Noise immunity 125dB CMRR average (2.0kV DC limit)

R.F. immunity <1% e ect FSO typical

Response time 400msec typical (10–90% 300msec typical)

ission

EN

Operating temperature -20 to 65°C (-4 to 149°F)

Storage temperature -20 to 100°C (-4 to 212°F)

Operating humidity 5–85%RH max (non-condensing)

Casing (H x W x D) Head mount 23 x 44 x 44mm (0.91 x 1.73 x 1.73")

1

Wiring

LOOP OUTPUT

9.5−36V DC

Rload

4−20mA

USB Header
[Remove Cap]

Requires
head-mount
adapter

B

S

U

B

V-

-

u

t

p

t

u

O

A

m

A

B

+

-

V+

+

A

B+B-

2

RTD INPUT (Pt100/Pt1000)