Ref No.: mTTC/om/101
Issue No.: 04
3 |
P a g e
TT7S00-HR
CALIBRATION
Configuration of the transmitter should always
be carried out before calibration.
It is suggested that the calibration is checked at
least once a year. When a new calibration is
necessary, use calibration instruments with an
accuracy of at least 5 times better than wanted
accuracy for the calibration.
The transmitter is polarity protected and will not be
damaged by connecting the power supply with the
wrong polarity, but the output will be 0 mA.
1. Connect input and output signals according to
figureIn connections. Apply an input signal to give an
output of approximate 12 mA.
2. If the output signal has stabilized after 15
minutes, The transmitter is ready for calibration.
3. Apply Temp. input corresponding to desired
minimum input signal.
4. Calibrate Zero-potentiometer until Iout= 4.00 mA.
5. Apply Temp. input corresponding to desired
maximum input signal.
6. Calibrate Span-potentiometer until Iout= 20.00
mA.
7. Repeat steps 3 to 6 until readings converge.
8. Secure the potentiometer with lacquer.
Calibration is completed.
Subject to recalibrate if range change
O
RDERING
C
ODE
Ordering Code
Model
Range Setting
TT7S00-HR
X
S
Standard without Range Setting &
without calibration certificate
M
Customer Specified Range
Setting & Calibration Certificate
(Option)
Specify Input Range at the time of Ordering for
range setting option
TT7S00-HR-X-XX-XXX
Where,
XX:
Zero Indication
XXX:
Span Indication
Example:
For input range of
-
50 to 200 ˚C
A
CCESSORIES
Mounting Kit
Head Mounting:
m-MK-FH-00-1
Rail Mounting Kit:
m-MK-RC-00-1
T
ROUBLE
S
HOOTING
Unit Not Turning ON?
The problem can be bad connection.
First check, connections as per sticker details
Check Jumper selection if they are proper or not?
Unstable/Vague Reading
Check for loose connections.
The reason can be reverse input connections
Output not matching with the expected value
It is a normal tendency to doubt the instrument
performance, when the Output is not matching the
expected value. Kindly make sure that the output is
really incorrect with respect to input signal, before
attempting any re-calibration.
Account for measuring instrument’s inaccuracies,
lead errors and calibration errors. Care must be
taken when measuring Output signal.
Use calibrating instrument of accuracy better than
0.1% for purpose of calibration. If the signal is still
found to be out of tolerance, calibration should be
required.
Zero:
-
50˚C
Span:
250˚C
TT7S00-HR-S-(-50)-250
Do not install the unit where it is subjected to
continuous vibration.
Do not subject the unit to physical impact.
masibus
Automation & Instrumentation Pvt. Ltd.
B/30, GIDC Electronics Estate, Sector- 25,
Gandhinagar-382044, Gujarat, India
Ph: 91-079-23287275 / 76 / 77 / 78 / 79
Fax: 91-079-23287281/ 82
Email: [email protected]
Web: www.masibus.com
