ENMET SDS-97D User Manual
ENMET Corporation
PO Box 979
Ann Arbor, MI 48106-0979
Sensor Transmitter
SDS – 97D
Manual
Manual Part Number
80003-034
MCN-443, 01/21/11
Table of Contents
1.0 I
NTRODUCTION
1.1 Unpack ........................................................................................................................................................1
1.2 Check Order ................................................................................................................................................1
1.3 Serial Numbers ............................................................................................................................................1
2.0 S
ENSOR / TRANSMITTER
2.1 Features .......................................................................................................................................................2
2.2 Installation ...................................................................................................................................................3
2.2.1 Sensor/Transmitter without ISB ........................................................................................................3
2.2.2 Sensor/Transmitter with ISB .............................................................................................................4
2.3 Calibration ...................................................................................................................................................6
2.3.1 Automatic Zeroing .............................................................................................................................7
2.3.2 Automatic Calibration .......................................................................................................................7
3.0 P
ROGRAMMER
4.0 S
ENSOR REPLACEMENT
5.0 W
ARRANTY
..................................................................................................................................... 1
....................................................................................................................... 2
...................................................................................................................................... 8
........................................................................................................................ 8
.......................................................................................................................................... 9
List of Illustrations
F
IGURE A:
T
ABLE 1: WIRING WITHOUT
F
IGURE B: DIRECT WIRING TO CONTROL
T
ABLE 2: WIRING AT
F
IGURE C: WIRING TO
T
ABLE 3: WIRING AT
F
IGURE D: WIRING TO
T
ABLE 4: STIPULATED CALIBRATION GASES FOR DIGITAL SENSOR/TRANSMITTERS
F
IGURE E: CALIBRATION WITH GAS
F
IGURE F:
SDS – 97D S
S/T 4
ISB 4
ISB 5
ISB
SDS – 97D S
ENSOR/TRANSMITTER
2
ISB 3
3
IN CONTROL
5
7
ENSOR/TRANSMITTER WITH TURRET AND SENSOR REMOVED
6
8
SDS – 97D Sensor / Transmitter ENMET Corporation
1.0 Introduction
♦ Each sensor/transmitter consists of an electrochemical gas detection sensor combined with digital circuitry
to detect a particular toxic gas, or to detect oxygen concentrations.
♦ Each sensor/ transmitter is equipped with an LCD display to indicate the level of concentration of gas or oxygen
in the vicinity of the sensor/transmitter.
♦ Each sensor/transmitter is equipped with a pushbutton switch for easy automatic zeroing and calibration
with bottled gas.
♦ Each sensor/transmitter is in a painted aluminum enclosure provided with gaskets designed to furnish NEMA-4
protection.
♦ Sensor/transmitters are three wire devices, with two of the wires forming a 4-20 mA loop.
♦ Some sensor/transmitters are equipped with a communications circuit and connector which, when used in
conjunction with a programmer, facilitates the changing of a sensor without recalibration.
N
OTE
: All specifications stated in this manual may change without notice.
1.1 Unpack
Unpack the SDS – 97D and examine it for shipping damage. If such damage is observed, notify both ENMET customer
service personnel and the commercial carrier involved immediately.
Regarding Damaged Shipments
N
OTE
: It is your responsibility to follow these instructions. If they are not followed, the carrier will not honor
any claims for damage.
This shipment was carefully inspected, verified and properly packaged at our company and delivered to the carrier in good
condition.
When it was picked up by the carrier at ENMET, it legally became your company’s property.
If your shipment arrives damaged:
• Keep the items, packing material, and carton “As Is.” Within 5 days of receipt, notify the carrier’s local office and
request immediate inspection of the carton and the contents.
• After the inspection and after you have received written acknowledgment of the damage from the carrier, contact
ENMET Customer Service for return authorization and further instructions. Have your Purchase Order and Sales Order
numbers available.
ENMET either repairs or replaces damaged equipment and invoices the carrier to the extent of the liability coverage, usually
$100.00. Repair or replacement charges above that value are your company’s responsibility.
The shipping company may offer optional insurance coverage. ENMET only insures shipments with the shipping company
when asked to do so in writing by our customer. If you need your shipments insured, please forward a written request to
ENMET Customer Service.
Regarding Shortages
If there are any shortages or questions regarding this shipment, please notify ENMET Customer Service within 5 days of
receipt at the following address:
ENMET Corporation
680 Fairfield Court
Ann Arbor, MI 48108
734-761-1270 734-761-3220 Fax
1.2 Check Order
Check, the contents of the shipment against the purchase order. Verify that the SDS – 97D is received as ordered. Each SDS
– 97D is labeled with its target gas.] If there are accessories on the order, ascertain that they are present. Check the contents of
calibration kits. Notify ENMET customer service personnel of any discrepancy immediately.
1.3 Serial Numbers
Each SDS – 97D is serialized. These numbers are on tags on the equipment and are on record in an ENMET database.
1
SDS – 97D Sensor / Transmitter ENMET Corporation
Calibration & Zeroing
Communications
Mounting Hole
Mounting Hole
Calibration & Zeroing
Communications
2.0 Sensor / Transmitter
2.1 Features
See figure A for location of features for both styles of enclosure.
Feature Function
Display
Pushbutton Switch
Communications Connector
Sensor
LCD, indicated the level of gas or oxygen detected by sensor
For automatic zeroing and calibration, see section 2.3
For programming with programmer, see section 3
For sensing gas or oxygen, see table 4 for sensor types
J3
Sensor
Sensor
Pushbutton Switch
Connector
2 places
Exterior View Cover Removed
2 places
J3
Sensor
Connector
Gasket
Pushbutton Switch
Figure A: SDS – 97D Sensor/Transmitter
2
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