High Accuracy Portable Electrical Resistance Testing Equipment Real
Time Operation
I Product characteristics
1 HY2533 can make insulation test highest 20GΩat 500V, 40GΩat
1000V, 100GΩat 2500V, and 200GΩ at 5000V.
2 Automatic exchange of high and low range has two scale
indicators. Color indicator is easy to read and with LED display
for corresponding color.
3 Complete tester uses ABS plastic housing for easy carry and has
strong anti-interference. It features compact structure and
exquisite appearance.
4 Tester adopts tensile meter and has strong shock resistance.
5 AC/DC, built-in rechargeable battery and intelligence charging
module, high output power (C type)
6 It is the ideal tester for insulation resistance like
transformer, mutual inductor, electric generator, high voltage
motor, power capacitor, power cable, and arrester.
II Technical specifications
See technique specifications in Table1.
| Model | HY 2533 | HY2550 |
| Output Voltage | 500V DC | 1000V DC | 2500V DC | 5000V DC |
| Accuracy | Temperature | 23℃±5℃ |
| Insulation Resistance | 1MΩ～20GΩ ±5％ | 2MΩ～40GΩ ±5％ | 5MΩ～100GΩ ±5％ | 10MΩ～200GΩ ±5％ |
| Output Voltage | 4MΩ～20GΩ 0～+10％ | 8MΩ～40GΩ 0～+10％ | 20MΩ～100GΩ 0～+10％ | 40MΩ～200GΩ 0～+10％ |
| Short Circuit Current | Approximately 1mA |
| Working Power Supply | 8pcs AA alkaline batteries(8pcs AA rechargeable battery, charging
adapter) |
| Working Temperature and Humidity | 0℃～40℃,maximum relative humidity 80％ |
| Storage Temperature and Humidity | -10℃～60℃,maximum relative humidity 90％ |
| Insulating Property | Insulation resistance between circuit and housing≥50MΩ |
| Withstand Voltage | Apply 3kv between tester circuit and housing, 50Hz sine AC
voltage,last for one minute,no breakdown or flashover |
| Size | 230(L)×190(W)×90(H)mm |
| Weight | 2kg |
| Accessory | A set of one plug test lead, manual, Certificate of Approval,
Charging adapter(C type) |
Table 1:HY25 Series Technical Specifications
2,Structure diagram illustration (Table2)
| Table 2: Structure diagram illustration |
| S/N | Name | Function |
| (1) | EARTH | Connect to the housing of tested device or to earth |
| (2) | LINE | High voltage output port, connect to high voltage conductor of
tested device |
| (3) | GUARD | Connect to high voltage retaining ring of tested device,to
eliminate the influence of surface leakage current |
| (4) | Double Line of Scale Mark | Upper gear is green: 500V/0.2GΩ～20GΩ, 1000V/0.4GΩ～40GΩ, 2500V/1 GΩ～100 GΩ, 5000V/2GΩ～200 GΩ. Lower gear is red: 500V/0～400MΩ, 1000V/0～800 MΩ, 2500V/0～2000 MΩ, 5000V/0～4000 MΩ. |
| (5) | Green LED | Read scale of green gear (upper gear) when green LED light up |
| (6) | Red LED | Read scale of green gear (lower gear) when red LED light up |
| (7) | mechanical zero adjustment | Adjust mechanical pointer position to ∞ scale mark |
| (8) | Band Switch | Realize functions like output voltage selection, battery detection,
power switch |
| (9) | Charging Socket | For C type tester, input voltage is 15V |
| (10) | Test Button | Puss Test Button to start test and lock the button by rotating
clockwise after push |
| (11) | Status Indication Light | Display information like high voltage output, power working
condition, charging condition and so on. |
