Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for HT Instruments HT8051
Summary of Contents for HT Instruments HT8051
- Page 1 ENGLISH User manual Copyright HT ITALIA 2012 Release EN 1.00 - 17/12/2012...
-
Page 2: Table Of Contents
HT8051 Table of contents: PRECAUTIONS AND SAFETY MEASURES ............... 2 1.1. Preliminary instructions ..................2 1.2. During use ......................3 1.3. After use ........................ 3 1.4. Definition of measurement (overvoltage) category ..........3 ... -
Page 3: Precautions And Safety Measures
HT8051 1. PRECAUTIONS AND SAFETY MEASURES The instrument has been designed in compliance with directive IEC/EN61010-1 relevant to electronic measuring instruments. For your safety and in order to prevent damaging the instrument, please carefully follow the procedures described in this manual and read all notes preceded by the symbol with the utmost attention. -
Page 4: During Use
HT8051 1.2. DURING USE Please carefully read the following recommendations and instructions: CAUTION Failure to comply with the caution notes and/or instructions may damage the instrument and/or its components or be a source of danger for the operator. Before selecting a measuring function, disconnect the test leads from the circuit under test. -
Page 5: General Description
HT8051 2. GENERAL DESCRIPTION The instrument HT8051 carries out the following measurements: Voltage measurement up to 10V DC Current measurement up to 24mA DC Voltage generation with amplitude up to 100mV DC and 10V DC Current generation with amplitude up to 24mA DC with display in mA and % ... -
Page 6: Operating Instructions
HT8051 4. OPERATING INSTRUCTIONS 4.1. INSTRUMENT DESCRIPTION CAPTION: 1. Input terminals Loop, mA, COM, mV/V 2. LCD display 3. Key 4. 0-100% key 5. 25%/ 6. MODE key 8. Adjuster knob Fig. 1: Instrument description CAPTION: 1. Operating mode indicators 2. -
Page 7: Description Of Function Keys And Initial Settings
HT8051 4.2. DESCRIPTION OF FUNCTION KEYS AND INITIAL SETTINGS 4.2.1. Pressing this key turns on and off the instrument. The last selected function is indicated on the display. 4.2.2. 0-100% key In operating modes SOUR mA (see § 4.3.4), SIMU mA (see § 4.3.6), OUT V and OUT mV (see §... -
Page 8: Key
HT8051 4.2.5. In operating modes SOUR mA, SIMU mA, OUT V and OUT mV pressing this key allows setting the output current/voltage with automatic ramp, with reference to measuring ranges 0 20mA or 4 20mA for the current and 0 100mV or 0 10V for the voltage. Below shows the available ramps. -
Page 9: Description Of Measuring Functions
HT8051 4.3. DESCRIPTION OF MEASURING FUNCTIONS 4.3.1. DC Voltage measurement CAUTION The maximum DC which can be applied to inputs is 30V DC. Do not measure voltages exceeding the limits given in this manual. Exceeding these limits could result in electrical shocks to the user and damage to the instrument. -
Page 10: Dc Voltage Generation
HT8051 4.3.2. DC Voltage generation CAUTION The maximum DC which can be applied to inputs is 30V DC. Do not measure voltages exceeding the limits given in this manual. Exceeding these limits could result in electrical shocks to the user and damage to the instrument. -
Page 11: Dc Current Measurement
HT8051 4.3.3. DC Current measurement CAUTION The maximum input DC current is 24mA. Do not measure currents exceeding the limits given in this manual. Exceeding these limits could result in electrical shocks to the user and damage to the instrument. -
Page 12: Dc Current Generation
HT8051 4.3.4. DC Current generation CAUTION The maximum output DC current generated on passive circuits is 24mA With set value 0.004mA the display blink intermittently to indicate no signal generation when the instrument is not connected to external device Fig. -
Page 13: Measuring Output Dc Current From External Transducers (Loop)
HT8051 4.3.5. Measuring output DC current from external transducers (Loop) CAUTION In this mode, the instrument provides a fixed output voltage of 25VDC±10% capable of supplying an external transducer and allowing measuring current at the same time. The maximum output DC current is 24mA. Do not measure currents exceeding the limits given in this manual. -
Page 14: Simulation Of A Transducer
HT8051 4.3.6. Simulation of a transducer CAUTION In this mode, the instrument provides an adjustable output current up to 24mADC. It is necessary to provide an external power supply with voltage between 12V and 28V in order to adjust current ... -
Page 15: Maintenance
HT8051 5. MAINTENANCE 5.1. GENERAL INFORMATION 1. The instrument you purchased is a precision instrument. While using and storing the instrument, carefully observe the recommendations listed in this manual in order to prevent possible damage or danger during use. 2. Do not use the instrument in environments with high humidity levels or high temperatures. -
Page 16: Technical Specifications
HT8051 6. TECHNICAL SPECIFICATIONS 6.1. TECHNICAL CHARACTERISTICS Accuracy is calculated as [%reading + (no. of digits) * resolution] at 18°C 28°C, <75%RH Measured DC voltage Protection Range Resolution Accuracy Input impedance against overcharge 0.01mV 0.01100.00mV (0.02rdg +4digits) 30VDC 1M... -
Page 17: General Characteristics
HT8051 6.2. GENERAL CHARACTERISTICS 6.2.1. Reference standards Safety: IEC/EN 61010-1 Insulation: double insulation Pollution level: Measurement category: CAT I 30V Max operating altitude: 2000m 6.2.2. General characteristics Mechanical characteristics Size (L x W x H): 195 x 92 x 55mm... -
Page 18: Service
HT8051 7. SERVICE 7.1. WARRANTY CONDITIONS This instrument is warranted against any material or manufacturing defect, in compliance with the general sales conditions. During the warranty period, defective parts may be replaced. However, the manufacturer reserves the right to repair or replace the product.
Need help?
Do you have a question about the HT8051 and is the answer not in the manual?
Questions and answers