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801-4331-A42 参数 Datasheet PDF下载

801-4331-A42图片预览
型号: 801-4331-A42
PDF下载: 下载PDF文件 查看货源
内容描述: KotronTM II 801系列射频电容式变送器用于液位/流量/容积 [KotronTM II Series 801 RF Capacitance Transmitter For Level/Flow/Volume]
分类和应用: 射频
文件页数/大小: 28 页 / 211 K
品牌: MAGNETROL [ MAGNETROL INTERNATIONAL, INC. ]
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Kotron
II
Series 801
RF Capacitance
Transmitter For
Level/Flow/Volume
Instruction Manual and Parts List
TABLE OF CONTENTS
General Information ............................................................1
Installation .......................................................................2–4
Wiring ..............................................................................5–6
Unit Configuration .........................................................7–23
Troubleshooting ..........................................................24–25
Electrical Specifications ....................................................25
Agency Approvals .............................................................26
Intrinsically Safe Installations ............................................26
Dimensional Specifications ...............................................27
Replacement Parts............................................................27
MODEL IDENTIFICATION
Each Series 801 capacitance transmitter has a nameplate on
which the model number of the unit is shown. The model
number is coded to identify the options of that specific unit.
TM
801 –
KOTRON II
SERIES 801 TRANSMITTER
NUMBER OF PROBES/OUTPUT
2
= 1 probe, One 4–20mA (isolated),
RS-232
4
= 2 probes, One 4–20mA (isolated),
RS-232
INPUT POWER
0
= 120 VAC
1
= 240 VAC
2
= 24 VDC
3
= 120 VAC with heater and thermostat
4
= 240 VAC with heater and thermostat
3
4
DIGITAL, 16 CHARACTER, LCD DISPLAY
REMOTE MOUNTING CONFIGURATION
1
= NEMA 4X
4
= NEMA 4X with I.S. probe circuit
HOUSING
A
=NEMA 4X Noryl (electronics)
w/stainless steel remote probe housing
N
=NEMA 4X Noryl (electronics)
w/aluminum sand cast remote probe housing
(4) 10 AMP SPDT RELAYS
OPTIONS
0
= None
1
= Mechanical Totalizer
2
= 31 Day Data Logger (Smart Watch)
3
= Mechanical Totalizer and 31 Day Data Logger
PRINCIPLE OF OPERATION
The amount of capacitance developed in any application is
determined by the size (surface area) of the probe, the dis-
tance from the probe to its ground reference, and the dielec-
tric constant of the medium being measured.
Considering that the probe's mounting position is fixed, and
the dielectric value of the medium is constant, the amount of
capacitance developed in any vessel becomes dependent
upon the probe's diameter and length.
As a medium rises and falls in the tank, the amount of capac-
itance developed between the sensing probe and the ground
reference also rises and falls. The Pulsatel circuit, mounted
on the probe, changes the capacitance signal to a digital sig-
nal which can then be sent to the main electronics located up
to 2500 feet (760 M) away.
DESCRIPTION
The Kotron
II
Series 801 Transmitter is a new generation RF
Capacitance transmitter that offers the user unparalleled
power. The Series 801 can interface with two separate
vessels, essentially making it a mini-multiplexer, while soft-
ware mathematics allows for the
Sum
or
Difference
of the
two signals.