The sampler could be used with AC/DC. There is a switch and jack at the back bottom of the instrument

(see the picture). When the DC is to be used for the instrument, set the power on for the battery supply;

when using the AC, plug in the equipped 8.4V DC power supply to the jack. When the switch is on, it’s under the

status of charge; when the switch is off, the 8.4V power supply works and maintains the status of charge.

V. Operation instruction

1. Discharge the multi-hole sampling head, place the culture dish holding the culture medium with the

diameter of Φ90mm to the dish pedestal and adjust the dish to the horizontal level. Adjust the locating rod to

make the reticle at the same level as that of the culture medium and install the multi-hole sampling head.

2. Switch on the electric power source and the screen displays the previous sampling data and time. Press the

Up and Down key to check the historical data in the memory. Press the “Stop” key to make the system enter

the “sampling ready status”. Then the current date and time are displayed and the sampling value is displayed

as Zero.

Users manual for JYQ-IV biological air sampler 19mro@19mro.com

TEL：17717909117 QQ：4006609565

3. Discharge the “closure door”.

4. Press the “start” key system to enter the Sampling Status and start the sampling pump and counter

according to the deferred time. Now the sampling quantity gradually accumulates to the set value, the

counting stops automatically, close the sampling pump and store the current sampling quantity, time and date in

the internal memory.

5. Under the sampling status, press “Stop” key to top the sampling work, close the sampling pump, stop the

accumulation of the sampling quantity, press “Stop” key again to clean the current display and enter the

sampling ready status.

6. Press “Function” key to enter the parameter setting status and the setting of the parameter is as follows:

a) Setting of sampling quantity: press “Up” and “Down key under this status to adjust the sampling quantity,

the range of which are 10-2000 liter and the adjustment pace is 10 liter. Press “Stop” key to enter

the parameter setting and press “Function” to enter the setting of next parameter.