Sanwa Electric Instrument Co., Ltd.
Sanwa SP21 Analog Multitesters
Manufacturer: Sanwa Electric Instrument Co., Ltd
Model: SP21
Features
With continuity check beeper
The instrument employs a shockproof taut-band meter that resists damage even if dropped.
Zero center meter for ± DCV measurement
Double protection with fuse and diode to protect the internal circuit from overvoltage
Battery check
With a tilt stand that helps to read the meter
Specifications
| Function | Measuring range | Tolerance |
|---|---|---|
| DCV | 0.3（5kΩ）/3/12/30/120/600V（20kΩ/V) | Within ±3% |
| ±DCV | ±6/30V（20kΩ/V) | ±5% of full scale |
| ACV | 12/30/120/300/600V（9kΩ/V) | ±3% of full scale |
| DCA | 60μ/30m/0.3A | ±3% of full scale |
| Resistance | 2k/20k/2MΩ | ±3% of arc |
| Capacitance | 500μF | Approximate value |
| Continuity | ≦ approx.100Ω: Beep sounds. Open circuit voltage: approx. 3V | |
| Battery check | 1.5V/1.5V button(1.0 to 2.0V) | Approximate value |
| Frequency characteristic | AC12V range 40Hz to 100kHz: frequency response within ±3% |
| Battery | R6P(AA battery)1.5Vx2 |
| Built-in fuse | New model:F0301 Φ5x20mm 0.5A/250V 300A Glass fuse Old model :F0305 Φ6.3x30mm 0.5A/250V 300A Glass fuse |
| Size/Mass | H144×W99×D41mm/Approx. 270g |
The value indicated for DCV and ACV represents the input resistance.
