Extech Instruments RH520 Manual de usuario Pagina 1

User Manual Humidity-Temperature Chart Recorder Model RH520

RH520 V2.9 3/07 10 Display Modes STANDARD VIEW The Standard View is the display state of the RH520 when it is turned on. Refer to the diagram in the

RH520 V2.9 3/07 11 MAX-MIN DISPLAYS 1. Press the VIEW button in the Standard View to display the highest (MAX) and lowest (MIN) temperature and RH re

RH520 V2.9 3/07 12 USING THE CLOCK TO SORT THROUGH STORED READINGS 1. Press the TIME button in the Standard View mode 2. Use the ARROW buttons to sel

RH520 V2.9 3/07 13 SAMPLE RATE DISPLAY 1. Press the VIEW and the TIME buttons simultaneously from the Standard View mode 2. Both numerical displays

RH520 V2.9 3/07 14 Alarm Conditions and the Alarm History When in Standard View mode:  If the ALARM display icon is flashing – an Alarm condition c

RH520 V2.9 3/07 15  Support line (781) 890-7440 Technical support: Extension 200; E-mail: [email protected] Repair & Returns: Extension 210; E-

RH520 V2.9 3/07 2 Introduction Congratulations on your purchase of the Extech RH520 Temperature + Humidity Chart Recorder. The RH520 measures and dis

RH520 V2.9 3/07 3 Specifications Display Large, backlit graphical LCD Temperature measurement range -20.0 to 140.0oF (-28 to 60oC) Humidity measu

RH520 V2.9 3/07 4 RH520 Description 1. Remote sensor 2. Sensor cable 3. LCD Display 4. Swivel keypad / table-top stand 5. PC interface

RH520 V2.9 3/07 5 DISPLAY DESCRIPTION 623412119108713995 1. Temperature measurement graph 2. Internal memory usage meter 3. Vertical axis scale l

RH520 V2.9 3/07 6 PUSH-BUTTON DESCRIPTION VIEW Return the LCD to the Standard View Escape from any setting function without storing value change

RH520 V2.9 3/07 7 Getting Started POWER 1. The RH520 runs on battery power or AC adaptor (4.5VDC 300mA). Battery power consists of three (3) ‘AA’ ba

RH520 V2.9 3/07 8 Programming the RH520 SETTING THE TIME AND DATE 1. From the Standard View, press the SET and TIME buttons simultaneously 2. The S

RH520 V2.9 3/07 9 SETTING THE RECORDING SAMPLE RATE The Sampling Rate is the rate at which the RH520 automatically records measurements 1. Press the