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- 1. It has a stainless inner layer and the cover can be removed at random.
- 2. The temperature control is via the high-precision temperature control instrument. And the temperature control is precise and reliable.
- 3. Digital display. microcomputer controlled.IV. Usage:
- 1. Fill clean warm water into water tank up to 1/2 ~2/3 of the full height.
- 2. Set the power switch to “ON” and then figures will appear on the temperature control instrument panel, indicating the power supply is on.
- 3. Set temperature, When the measured temperature reaches the set temperature, the heating will be interrupted and the heating indicator will go out, and the temperature will become stable after 60 minutes of temperature keeping. If the temperature in the water tank exceeds the set temperature over 2 °C(alarm temperature can be set arbitrarily), the alarm indicator of the temperature control instrument is on and the power of the heater will be automatically switched off in the meantime.
Symbol
Name
Setting range
Description
Factory set value
AL
Alarming setting
0-Full Range
0.0-Full Range
0-
When temperature is beyond SP+AL,the ALM indicator turn on. The buzzer sounds and the heating power turn off.
CL
Refrigeration control setting
0-Full Range
0.0-Full Range
1-
When the temperature less than SP+COL, the refrigeration point is turn on to drive the compressor.
without this function
P
Proportional Band
1-Full Range
1.0-Full Range
Proportional control action. If P is larger, then the gain of system is lower. It only use on the heating side.
I
Integral Time
0-3600 seconds
Integrated time constant. I larger, then the integrated action is smaller.
D
Derivative Time
0-3600 seconds
Derivative time constant. D larger, then the derivative action is also larger D can overcome overshoot. I=0and D=0 is called half proportional control.
Ar
Overshoot Control(re-setting)
1-100%
At on-off PID control, the value of Ar is a constant which equals 1.5-2times of the ratio of on time to the on-off period in the equilibrium state, In the half proportional control, the Ar equals coefficient/P.
T
Heating period
1-300seconds
For the thyristor output it is abut 1-3seconds.For those equipment that the superfluous power provided is comparatively larger, select larger T would decrease the stable error caused by PID control.
Pb
Zero point adjust
(intersection)
-100-100
-100.0-100.0
When the zero error comparatively smaller and the full point error comparatively larger, to update this value should be needed. Ordinary for pt100 ,updating this value is rarely needed..
PK
Full point adjust(intercept)
-1000-1000
seconds
When the zero error comparatively larger and the full point error also comparatively larger, to update this value should be needed. PK=4000×(setting value-actual value)/actual value. For pt100 adjusting this value is need at first time.
Ct
Refrigeration control Time delayed
0-3600seconds
When measuring value reaches its alarm value, the alarm relay output will be +delayed this time…
Without this function
dp
The decimal point setting
0;1
When D=0 the display resolving power is 1°C and when DP=1 the display resolving power is 0.1°C
rH
The range setting
0- 400°C
0.0-400.0
Adjusting rH can make the instrument range equals 0-rH(°C)
LK
Password key
0-255
When LK=18 the parameters listed above then the above parameters can be updated.
VI. Following table lists the function parameters:
VII. Precautions
- 1. The shell of the water tank shall be grounded effectively to guarantee the safe use.
- 2. Before filling water, never press down the power switch so as to prevent the electrical heating tube from being burnt.
- 3. When any sound and light alarms are sent out from the water tank, please check whether the set temperature deviates from the normal range or not; if not, stop use and invite the professional personnel to inspect it or hand it over to our factory for repair.
- 4. Unless necessary, never disassemble the side plate of the temperature control unit so as to guarantee the safety
VIII. Maintenance
- 1. Always keep the internal and external of the water tank clean; do not wipe the shell with the chemical solution, which can cause chemical reaction, to prevent any chemical reaction.
- 2. If the instrument is not to be used for a long time, cover it with a plastic thin film dust shroud and place it in a drying room so as to prevent the temperature control instrument from being moisturized and out of use.
- 3. The instrument is not suitable to be used in the environments of high voltage, heavy current, intense magnetic field or corrosive gases to prevent the instrument from being damaged by intervention and prevent the persons from the risks of the electroshock.
Our Advantage:
1. Top Quality: We have strict quality control system and enjoy good reputation in the market.
2. Excellent Service: We treat clients as friend and aims at building long term business relatiionship.
3. OEM Accepted : We Can print your own logo on the products.
4. Unbeatable Price: We always ensure high price performance to benefit our customers.
5. Timely Delivery: Your order shall be shipped once finished .
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