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- Contact Person : Ms. Zeng Shirley
- Company Name : Yueqing Reliable Electric Co., Ltd.
- Tel : 86-577-62079177
- Fax : 86-577-62079277
- Address : Zhejiang,Yueqing,Qitou 3rd Village, Huanghua Town (Email:reliablemeter at gmail.com
- Country/Region : China
- Zip : 325605
Digital Frequency Meter
Detailed Product Description
The Tehcnial parameter of the digial frequency meter (digial panel meter)
1. Technical parameters
1.1 main parameters
1.1.1 Displaydigits:4 digits; display range: 0.000-9999
1.1.2 Accuracyclass: class 0.5, 0.2
1.1.3 Polaritysignal: no signal for positive value; -for negative one
1.1.4 Overloadingcapability: 1.2 times for continuous; for transient,
10times/ 5 sec. of current and 2 times/1 sec. of voltage
1.1.5 EMCrating: class 2
2. main parameters
2.1.standardizedinput: AC: 1A,5A; AV:100V,200V,380V
DC: 4-20mA;DV: 75mV-750V
2.2Transmissionoutput: DC:4-20Ma;DC 0-5V (with extended function)
2.3RS 485communication port, applied with MODBUS correspondent agreement
(with extended function)
2.4With two-wayrelay output ( with extended function)
2.5Inputimpedance: Current input impedance ≤ 1Ω, voltage input impedance≥ 10MΩ
2.6Power supply:AC/DC 80280
2.7Power loss:≤2VA
2.8Insulation strength:2kV/1min
2.9Insulationresistance: ≥100MΩ
