The Interface Solution Experts
5
THZ
2
&
TDZ
2
Programmable Smart HART
Temperature Transmitter and Display
Specifications and information subject to change without notice.
Specifications
HART
Specifications
Performance
Address Range:
0-15
(1-15 are for multidrop loops)
Transmission Speed:
1200 bps
Character Format:
1 Start Bit - 8 Data Bits -
1 Odd Parity Bit - 1 Stop Bit
Input Accuracy:
Refer to
Table 1
Output Range:
4-20mA
Analog Output Accuracy:
3µA (0.01875% of 4-20mA
span)
Overall Accuracy:
The
overall accuracy of the unit is
the combined input and out-
put accuracy. It includes the
combined effects of linearity,
hysteresis, repeatability and
adjustment resolution. It
does not include ambient
temperature effect. For T/C
input only, add the Reference
Junction Compensation error
Reference (Cold) Junction
Compensation:
±0.25°C
(±0.45°F)
Stability:
Refer to Table 2
Isolation:
THZ
2
: HPP,
1500Vrms between input
and output continuous; DIN,
500Vrms between input and
output continuous;
TDZ
2
: 500Vrms input-to-
output continuous, and will
withstand a 500Vac dielectric
strength test for one minute
with no breakdown
Response (Rise) Time:
100msec maximum for the
output to change from 10%
to 90% for an input step
change of 0% to 100%
Step Response Time:
500msec maximum,
256msec typical from the
time an input is applied until
the output reaches 90% of its
final value
Ripple:
10mVp-p
measured across a
250 ohm load resistor at
frequencies up to 120Hz
Over-voltage Protection:
±5Vdc peak, maximum
Digital Input Filter:
User-
programmable; 50/60Hz
Power Supply Effect:
±0.002% of span per 1V
change
Load Effect:
Negligible
within specified power limits
Load Capability:
(500 ohms@24V)
Burnout Protection:
User-
programmable, Upscale 20
to 23.6mA; Downscale 3.6 to
4.0mA
Output Current Limiting:
User-programmable, 3.6 to
4.0mA and 20 to 23.6mA
for input under/over range;
25mA, maximum (hardware
limit)
T/C Input Impedance:
40Mohms, nominal
RTD & Ohms Excitation:
250 microamps, ±10%
RTD Lead Wire Resistance
Maximum:
RTD resistance
+ 2X lead wire resistance
< 4000 ohms; Recommend-
ed lead wire resistance for
three wire connections: <35
ohms/wire; 10 ohms copper
sensor <5 ohms
Sensor Lead Resistance
Effect:
2-wire sensors: Error
= 1.0 ohm in reading/ohm of
lead resistance;
3-wire sensors:
Error = 1.0 ohm in reading/
ohm of unbalanced resis-
tance; 4-wire sensors: No
effect
Damping:
User set; 0-30 seconds
Resolution:
Input, 20-bit; Output, 16-bit
Power Supply
Requirement:
12-30Vdc
for I.S. version; 12-42Vdc for
standard version
Type:
TDZ
2
; Top Row, 10mm
(0.4 in) high black digits on
a reflective background;
Bottom Row, 6mm (0.225
in) high digits on a reflective
background; Two-digit HART
address indicator
Format:
Two rows of five
alphanumeric characters
Decimal Points:
Can be user-set to enable
automatic adjustment of
decimal point to 2 decimal
places; Allowed decimal
places: Auto, 1, 2 or 3
Range:
-99999 to 99999
Minimum Display Span:
1.00
Operating Range:
-40°C to +85°C
(-40°F to +185°F)
Storage Range:
-40°C to +85°C
(-40°F to +185°F)
Relative Humidity:
0-95%, non-condensing
Ambient Temperature Ef-
fect:
See Table 3
Effect on Reference (Cold)
Junction Compensation:
±0.005°C per °C change of
ambient temperature
Startup Time:
<0.5sec, maximum
Noise Rejection:
Common
mode, 100dB@50/60Hz;
Normal Mode: Refer to
Table 4
RFI/EMI Immunity:
THZ
2
: HPP and DIN
10V/m@80-1000MHz, 1kHz
AM, when tested according
to IEC 61326;
With -RF DIN Option:
20V/m@80-1000MHz, 1kHz
AM, when tested according
to IEC 61326;
TDZ
2
: 20V/m when tested
according to IEC 61326
THZ
2
DIN:
221g (7.9 oz)
THZ
2
HPP:
91g (3.2 oz)
THZ
2
HPP in LH1:
423g (15.1 oz)
THZ
2
HPP in LH2:
644g (22.9 oz)
TDZ
2
HP:
182g (6.4 oz)
TDZ
2
HP in BH:
1.4kg (50.2 oz)
TDZ
2
HP in D-Box:
672g (23.4 oz)
Display
(TDZ
2
only,
continued)
Ambient Tem-
perature
Weight
Performance
(Continued)
Display
(TDZ
2
only)
Supply Voltage - 12V
0.024A
= Ohms
