Yokogawa 2406E Data sheet
2406E Series of Analog Insulation Testers
240631 240632 240633 240634 240635 240641
240642 240643 240644 240645
쎲 Analog models with two and three ratings
쎲 AC voltage measurement
쎲 Automatic discharge
쎲 Sky blue EL backlight
Testing Performance Specifications
Model
240631
240641
240632
240642
240633
240643
240634
240644
240635
240645
Suffix
Code
-E
-E
-E
-E
-E
-E
-E
-E
-E
-E
Rating
25V/5MΩ
50V/10MΩ
125V/20MΩ
125V/20MΩ
250V/50MΩ
125V/20MΩ
250V/50MΩ
500V/100MΩ
250V/50MΩ
500V/100MΩ
1000V/2000MΩ
250V/500MΩ
500V/1000MΩ
1000V/2000MΩ
Non-backlitEL-backlit
Effective
Measuring range
0.001–5MΩ
0.005–10MΩ
0.01–20MΩ
0.01–20MΩ
0.01–50MΩ
0.01–20MΩ
0.01–50MΩ
0.05–100MΩ
0.01–50MΩ
0.05–100MΩ
1–2000MΩ
0.1–500MΩ
0.5–1000MΩ
1–2000MΩ
* The minimum value at which the rated voltage can be maintained;
** 0.55 mA in the case of the first effective measuring range
Central
Scale Value
0.1MΩ
0.2MΩ
0.5MΩ
0.5MΩ
1MΩ
0.5MΩ
1MΩ
2MΩ
1MΩ
2MΩ
50MΩ
10MΩ
20MΩ
50MΩ
Lower limit of
AC Voltage
Measuring range
0–300V
0–300V
0–600V
0–600V
0–600V
measured Ω
0.025MΩ
0.125MΩ
0.125MΩ
0.125MΩ
0.05MΩ
0.25MΩ
0.25MΩ
0.5MΩ
0.25MΩ
0.5MΩ
1MΩ
0.25MΩ
0.5MΩ
1MΩ
Rated Current
1mA
1mA
1mA
1mA
1mA
1mA
1mA
1mA
1mA
1mA
1mA**
1mA**
1mA**
1mA**
Standard test conditions:
Ambient temperature/humidity ranges: 23 ±5:/45-75% RH
Position of use: Horizontal (5° max. of angle of inclination)
External magnetic fields: None
Battery voltage: Within effective voltage range
(The pointer must stay within the range indicated by the BAT symbol
when the battery check is performed.)
Tolerances under the above-mentioned conditions:
Resistance measurement: First effective measuring range = ±5% of reading
Second effective measuring range = ±10% of reading
Infinite and zero scale values: 0.7% max. of scale length
AC voltage: ±10% of maximum scale value
No-load voltage: 130% max. of rated voltage
Rated measuring current: 1 mA (0 to 20%) when in first effective measuring range
Short-circuit current: 12 mA max.
SERIES
General Specifications
Scale length: Approx. 86 mm (outer scale)
Discharge function: The tester automatically begins discharge when you turn off the
MEAS switch. The pointer swings if there is any residual voltage in the circuit under test.
You can make sure discharge is complete by checking that the pointer swings back to
the infinite (∞) scale value. Under this condition, the tester is ready to enter voltage
measurement mode.
AC voltage measurement: AC voltage measurement is possible wherever the rotary
switch is positioned.
Dimensions (main unit): Approx. 120 (W) ҂ 110 (H) ҂ 60 (D) (mm)
Weight: Approx. 500 g (including batteries)
Batteries: Six AA (R6P) batteries
Accessories: See the list of accessories on the backside of this bulletin for information
on accessories.
Standard Accessories
Product Part Number Qty
Earth and Line probes
Carrying case
User's manual
Batteries
98007
B9075MU
–
–
Earth probe(blake);approx. 1m long
1
Line probe(vermilion);approx. 1m long
w/probe-housing
1
pocket and neck strap
1
6
Remarks
–
–
External Dimensions Unit: mm
120
B9108XA
Accessory-housing case
110
B9705MU
Hard case
53 7
4
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