AirTest TR-5200 운영 및 유지보수 매뉴얼 - 페이지 2
{카테고리_이름} AirTest TR-5200에 대한 운영 및 유지보수 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. AirTest TR-5200 4 페이지. 4-20 ma sensor/transmitter
페이지 인쇄CALIBRATION
(Con't)
NOTE: The system voltage, measured between point A
(positive), is factory set. Do not change this voltage value.
(RED)
The sensor voltage, measured between point A
(positive), is factory set and the value is sensor type dependent. Do
(YELLOW)
not change this voltage value. Damage to the sensor will result if the voltage
is set too high. For the TR-5200 this is 4.25 volts. For the TR5500 it is 3.50
volts.
A1
-
+
CONTROLLER
THE SIX TEST POINTS
ON THE LEL BOARD
ARE AS FOLLOWS:
A - GROUND
BLACK
C - ZERO TEST POINT
YELLOW
D - SPAN TEST POINT
WHITE
E - 4-20mA TO VOLTS
RED
B- SENSOR VOLTAGE
F - SYSTEM 10 VDC +/- 0.5V
Fig. 1
[
% CONCENTRATION OF CALIBRATION GAS
V =
100 % (MAXIMUM RANGE)
(negative) & point F
(BLACK)
(negative) & point B
(BLACK)
INPUT
E
+ -
A1
A
VR4
CURRENT
F
SENSOR V
C
D
ZERO SPAN
VR1
SEN
VR2 VR3
+ -
SIG
B
SENSOR
]
X 1.6 + 0.4
2
LAYOUT – TR5200
4.80
4.00
MODEL TR-5200
COMBUSTIBLE
GAS
DETECTOR
2.40
4.00
6.60
AirTest Technologies Inc
TR-5200 LAYOUT
Drawn By
Drawing No.
dcm
TR5200WLayout.tcw
3
Rev