- Contact Person : Mr. Cai Huixue
- Company Name : Huazheng Electric Manufacturing (Baoding) Co., Ltd.
- Tel : 86-312-13582258666
- Fax : 86-312-3333059
- Address : Hebei,Baoding,Longxing road No.77, high and new technology industry development zone,Baoding city.
- Country/Region : China
- Zip : 071000
handheld digital frequency level meter
handheld digital frequency level meter
Features
The set of the instrument appearance design are handheld structure, internal circuit used 3 cascading structure,
modular design, the link between layers needle type. So equipment is small in size, light weight, high reliability
and easy to carry, suitable for all kinds of conditions and environment used.
Selective level meter:Size:200*100*60mm Weight:0.8kg
Level oscillator: Size:200*100*60mm Weight: 0.7kg
Main technical data
HZ-5018 handheld digital frequency level meter
Frequency range | Broadband measurement:200Hz~1700kHz (balance 600Ω,200Hz~620kHz) Frequency selective measurement:B=25Hz 200Hz~1700kHz (balance 600Ω,200Hz~620kHz) B=1.74kHz 4kHz~1700kHz(balance 600Ω,4kHz~620kHz) | ||
Frequency adjustment | digital key or increment left/right key input, Frequency error±1×10-6±1Hz,Step length increment adjustment by users set; AFCFull frequency tracking,pull-in range B=25Hz:about ±50Hz; B=1.74k Hz:about ±500Hz; Automatic search function,can search the lowest level-80dB | ||
level range | Broadband measurement:-50dB~+50dB Frequency selective measurement:B=25Hz -80dB~+50dB; B=1.74kHz -70dB~+50dB | ||
Level display | LCDgraphic display,Menu type operation,Level have digital and analog stick two kind of instructions,resolution :0.01 has dB,dBm,mV three units show | ||
Input impedance | imbalance:75Ω,∞,booster In:≈30kΩ,balance:600Ω,150Ω,∞ | ||
Level measurement error | With 0 dB level automatic correction,0dBinherent error:±0.1dB, Level linear error:±0.25dB | ||
Frequency selectivity | B=25Hz 3dB Bandwidth about 24Hz; B=1.74kHz 3dB Bandwidth about 1.74k Hz Intermediate frequency attenuation≥60dB; Mirror frequency attenuation≥70dB | ||
Inherent distortion attenuation | ≥ 60dB | Machines inherent noise | <-100dB |
Return loss | ≥30dB | Longitudinal interference attenuation | ≥40dB |
HZ5068 handheld level oscillator
Frequency error | ±1×10-6±1Hz,resolution 1Hz |
Output level and impedance | Imbalance 0Ω -71.9dB~+20dB,Allow external 75Ω 75Ω -77.9dB~+14dB(-68.9dBm~+23dBm) Balance 0Ω -71.9dB~+20dB 150Ω -77.9dB~+20dB(-71.9dBm~+26dBm) 600Ω -77.9dB~+20dB |
Level display | LCD Graphics display,Menu type operation,Level digital indicator, Has dB,dBm,mV three kinds of unit display |
Frequency and level control adjust | Adopting digital key or incremental up/down key input, Incremental regulation: frequency, level spacing by users set |
Output level error | 0dBinherent error:±0.1dB,Level linear error:±0.2dB |
Output signal balance | ≥40dB |
Distortion attenuation | tSecond or third harmonic attenuation≥46dB;Non harmonic stray attenuation ≥46dB |
Packing show(bubble board+ standard carton/box)
Service commitment
The products implement "3 packets" service
- Products once sold, will enjoy lifelong maintenance;
- Within a year the guaranteed repair fault products;
- After delivery of the product quality problem exchange within a week.
handheld digital frequency level meter