T713
RTD Input Isolating, Field Configurable Two-Wire
Transmitter |
TECHNICAL SPECIFICATION (T713)
|
| Input Span
Range (Min/Max) |
|
See Tables 1, 2
(in datasheet) |
| Excitation Current |
|
1mA, typical |
| Leadwire
Resistance Effect |
|
1% of span error
with up to 40 Ohms/lead |
| Output Span |
|
|
4-20mA/10-50mA, switch selectable |
| Minimum
Output Current |
|
3.3mA, typical |
| Maximum Output Current |
|
|
|
4-20mA: |
|
24mA, typical |
|
10-50mA: |
|
58mA,
typical |
| Supply
Voltage Range |
|
|
|
4-20mA: |
|
12 to
80VDC |
|
10-50mA: |
|
12 to 60VDC |
| Maximum Change in Supply - Voltage Effect |
|
|
|
0.05% of span |
| Maximum Change in Load Effect |
|
0.05% of
span |
| Loop
Voltage Drop |
|
12VDC @ 20mA |
| Linearizing Accuracy |
|
|
|
T713-0000: |
|
± 0.1% of standard R/T
tables, typical; 0.2% max. |
|
T713-0013: |
|
±
0.21% of standard R/T tables, typical; 0.3% max. |
| Stability |
Zero: |
|
± 0.02% of span/°C,
typical, or 2mV, whichever is greater |
|
Span: |
|
±
0.01% of span/°C, typical |
| Overall
Accuracy |
|
(Includes Linearity,
Hysteresis, Stability) |
|
|
|
±
0.5% of any adjusted span, max. |
| Zero and
Span Adjustability |
|
80% of any selected range |
| Repeatability |
|
|
±
0.05% of span, typical |
| Response Time |
|
|
150ms, typical, 400ms
max. |
| Output Ripple |
|
|
0.1% of
span, rms, typical |
| RFI Effect
(5W, 470MHz at 3 Ft.) |
|
<1% of span error |
| Isolation |
|
|
600V DC
maximum, input to output to case |
| Temperature Range |
|
|
|
Operating: |
|
-40 to
80°C (-40 to 176°F) |
| Weight |
|
|
0.64lbs |
| Agency Approval |
|
FM approved
intrinsically safe for hazardous locations, certificate No. J.I. 2M2A5.AX
(3611). |
Calibration
| Input: |
Range 1 |
| Output: |
4-20mA |
- Open the access lid on the top of the unit (see Top View
Diagrams).
- Select the output range using switch S4. The CLOSED
position selects a 10-50mA output. The OPEN position selects a 4-20mA
output.
- Select the input range from Table 1 or 2 and configure
switches S1 through S4.
- Connect the input to a calibrated 3-wire resistance
source and monitor the output current (refer to terminal wiring).
- Set the calibrator to the desired minimum
temperature.
- Adjust the coarse zero rotary switch to obtain an output
of approximately 4mA or 10mA. Adjust the fine zero for exact calibration. Note
that it may be necessary to switch coarse zero up or down one position.
- Set the calibrator to the desired maximum temperature and
perform similar adjustments using the coarse span switch and fine span
potentiometer.
|
|
Field Mounting
The T713
is designed for installation in industrial field environments. A sealed,
diecast aluminum housing protects against corrosion, moisture, dust and
electrical noise such as radio-frequency (RFI) and electromagnetic (EMI)
interference. All circuit boards are urethane coated for environmental
protection and FM approval.
For protection against extreme moisture, hose directed water
(NEMA 4) or hazardous environments, use FieldPak model F713. The F713 2-wire
transmitter offers the same wide ranging features of the T713, but includes a
rugged EP/NEMA 4 enclosure with standard, 1/2" and 3/4" FPT ports for easy
hookup and operation in harsh process environments. |
|
