Michell Instruments Limited, 48 Lancaster Way Business Park, Ely, Cambridgeshire, CB6 3NW, UK
97529 Issue 1, April 2017
© 2017 MICHELL INSTRUMENTS LTD.
CAUTION
Do not exceed maximum ratings and ensure sensor(s) are operated in
accordance with their requirements.
Carefully follow all wiring instructions. Incorrect wiring can cause permanent
damage to the device.
Zirconium dioxide sensors are damaged by the presence of silicone. Vapours
(organic silicone compounds) from RTV rubbers and sealants are known to
poison oxygen sensors and MUST be avoided.
Do NOT use chemical cleaning agents.
Failure to comply with these instructions may result in product damage.
INFORMATION
As customer applications are outside of Michell Instruments Ltd’s control,
the information provided is given without legal responsibility. Customers
should test under their own conditions to ensure that the equipment is suitable
for their intended application.
For technical assistance or advice, please contact Michell Instruments.
NOTE: Michell Instruments Ltd reserves the right to make changes to
product specifications without notice or liability.
All information is subject to Michell Instruments own data and considered
accurate at time of going to print.
7. If required, assemble the head housing and probe body:
7a. If required, t sensing module to the head housing;
Ensure the gasket is in posion in the head housing.
Gently push sensing module to secure in place.
NOTE: The connector is keyed to aid alignment.
CAUTION: Do NOT force the sensing module otherwise you
may damage the sensor and /or housing connectors.
7b. Ensuring clamp (3) is ed over the head housing shoulder
and with the ow direcon arrow (1) poinng upwards,
carefully slide the probe body into the head housing (cable
gland (2) at the base of the housing should face downwards).
CAUTION: Be careful not to damage the sensing module.
NOTE: Ensure the probe is inserted fully (housing shoulder
aligns with the indicator line on the probe).
7c. Using a 10mm socket (or spanner) ghten clamp (3) to
secure the head housing in posion; torque to 5Nm.
10. Apply 24V DC to the device.
NOTE: Read the User Guide BEFORE proceeding; the Quick
Start Guide (this document) is for reference only.
Further informaon:
Refer to XZR250 97528 Manual for full details of how to install,
congure, calibrate and maintain the device.
Need help? Ask the experts
Tel: +44 (0)1353 658 000
www.michell.com
8. With a suitable gasket in place, install the probe assembly
into posion and secure using the appropriate ange /
mounng hardware.
NOTE: Ensure gas ow direcon arrow is aligned correctly.
WARNING: Shock hazard, do NOT apply power!
9. Connect power and input/output connecons to the
controller:
CAUTION: Test the power supply to ensure it is
“24VDC ± 10%” before wiring to the probe.
CAUTION: Failure to test the suitability of the power
supply BEFORE rst power ON could cause irreversible
damage that is NOT covered by warranty.
Power Supply Digital Output
PIN 1: 24VDC PIN 3: COM1
PIN 2: 0V PIN 4: COM2
Analog Output Relay Output
PIN 5: Analog GND PIN 8: Relay 1 In
PIN 6: Analog Out1 PIN 9: Relay 1 Out
PIN 7: Analog Out2 PIN 10: Relay 2 In
PIN 11: Relay 2 Out
Gasket
(not supplied)
1
3
2
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