FEATURES / TÍNH NĂNG
Features:
- Có khả năng đo điện thế đất / Capable of measuring earth voltage.
- Chức năng lưu kết quả / Data hold function.
- Tự động tắt nguồn / Auto power off function:
- 2mA measuring current permits earth resistance tests without tripping earth leakage current breakers in the circuit under test.
- In addition to the facility for precision measurement, test leads for simplified two wire measuring system also supplied as standard accessories.
- Automatic warning when resistance of auxiliary earth spike is in excess of tolerance.
- Hợp chuẩn / Designed to meet IEC1010-1 safety standard.
- Chức năng chỉnh không / Zero ohm adjustment.
SPECIFICATION / THÔNG SỐ KỸ THUẬT CƠ BẢN
Measuring Range and Accuracy ( at 23 ℃ and 45-75%RH )
Function |
Measuring range |
Accuracy |
Overload Protection |
Earth Voltage |
0 ~ 199.9V (50Hz, 60Hz) |
+/- (1%rdg+4dgts) |
300Vrms / 1 minute |
Earth Resistance |
0 ~ 19.99
Ω
|
+/- (2%rdg+0.2
Ω
) |
200Vrms / 10 seconds |
0 ~ 199.9
Ω
|
+/- (2%rdg+3dgts) |
||
0 ~ 1999
Ω
|
Current Consumption ( typical Value with battery voltage of 9V )
Range |
ON |
20 Ω / 200 Ω /2000 Ω |
35mA |
Earth V |
18mA |
General Specification
Safety Standard |
IEC1010-1 overvoltage category III , IEC 61557 |
Display |
3 1/2 digit liquid crystal display with a maximum reading of 1999. |
| Insulation Resistance | More than 5M W between the circuit and the housing case |
| Withstand Voltage | 3700CV AC for 1 minute between the circuit and the housing case. |
| Timer (Auto power off) | about 3 minutes. |
| Dimensions | 165(L) x 100(W) x 57(H)mm |
| Weight | Approx. 500g (with battery). |
| Power Source | DC 9V (6' 1.5V size "AA" battery or equivalent). |
| Over range Indication | " 1- - - - " will be shown on the LCD panel when out of range measurement is made. |
| Operating Temperature and Humidity | 0 ℃ to 40 ℃ (32 ℉ to 104 ℉ F) , below 80% RH. |
| Storage Temperature | -10 ℃ to 60 ℃ (14 ℉ to 140 ℉ ) |
| Accessories | Test leads Auxiliary--> 1 Set , Auxiliary earth spikes--> 2 Pcs , Batteries, AA, R - 6P or equivalent--> 6 Pcs , Carring case --> 1 Pcs. |
Các đồng hồ cùng chức năng đo điện trở đất
- TES-1700Đồng hồ đo điện trở đất hiện số
- TES-1605Đồng hồ đo điện trở đất hiện số
- PROVA-5601 / PROVA-5637Đồng hồ đo điện trở đất