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Heated Stage
Instruction Manual
The i4 Semen Evaluation Microscope comes equipped with a built-in heated stage. The dual heating elements and
thermostat are mounted inside the stage, and the PID temperature controller unit is mounted into the rear panel of the
microscope. The red power switch is on the front right panel of the microscope, which will illuminate when power to the
heated stage is turned on. Once turned on, the PID temperature controller will show the actual temperature of the
stage, and the temperature will gradually increase until it reaches the preset temperature. The stage should reach the
correct temperature within 5-10 minutes, depending on ambient temperature. The heated stage may possibly
over-shoot the correct temperature slightly, but will settle onto the correct temperature within a few minutes. It is best to
turn on your stage 15 minutes before any procedure.
All programming functions of the PID controller have been preset by LW Scientific, and the temperature has been preset
to 98.6 degrees F. There are many complicated programming functions built into the PID controller, which should not be
altered by the customer. The only two functions that may need to be altered by the customer are “Set Temperature”
and “Change from Fahrenheit to Celsius” as described below. If there are any other programming functions that need
to be altered, or questions about the operation of the heated stage, please call the LW Scientific technical support
department at 800-726-7345.
AL- Relay output indicator
1
Value increment/Select next parameter
2
Value decrement /Select previous parameter
3
Auto tuning /Digit shift
4
Set/Confirm
5
Will not illuminate
6
7
The temperature of the stage (Process Value, or PV) is displayed during operation. The target temperature (Set value
or SV) is displayed when flashing (by press v the ^ or key once).
P. 770.270.1394 F. 770.270.2389 865 Marathon Parkway Lawrenceville GA 30046
P. 770.270.1394 F. 770.270.2389 865 Marathon Parkway Lawrenceville GA 30046
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Set Temperature
Press V or once to display set temp. Display will blink.
1
Press V or again to increase or decrease set value.
2
Wait 8 seconds and the new set value will take effect and stop blinking.
3
V
V
Change From Fahrenheit To Celsius
**Warning – if you are changing from F to C, lower the temperature setting to 37 degrees FIRST so the stage doesn’t
try to achieve 98.6 C**
Press SET. The display will show “0000”.
1
Press the > button to select digits, then press the ^ button to change display to program function “0089”.
2
Press SET again. The display will show “Inty”.
3
Press the down arrow twice until you see “C or F”.
4
Press SET again. The display will show either “0” or “1”.
5
Press the ^ button choose “0” for Celsius or “1” for Fahrenheit.
6
Press SET again.
7
Press the ^ button until you see “End”.
8
Press SET again.
9
Specifications
Display: One line, four digits, ºF or ºC
Display Resolution: 0.1ºF
Accuracy: +/- 0.2% or +/-1 unit of full input range
Control Mode: PID, On/Off, Limit
Output Mode: Relay contact: 3A at 240v AC
Alarm: Process High/Low Alarm
Power Consumption: < 2 watt
Power Supply: 12v DC
Warning: The heated stage should be set
to a normal body temperature under
normal operating conditions. The stage
should not be set at a temperature
above 110 degrees F (43 C). If the stage
is set to a higher temperature, there could
be a risk of personal burn injury.
MKT-7.5.3-L-158 | Rev 1
P. 770.270.1394 F. 770.270.2389 865 Marathon Parkway Lawrenceville GA 30046
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