Sealey MM18 - Manual (Page 2)

Handy compact unit, small enough to fit in your pocket, making it
ideal for basic circuit testing on the move. Features flip lid for
added screen protection and storage of leads. Conforms to
EN 61010-1 CAT II safety requirements. Supplied with test
leads.
Measures:
• AC and DC Voltage
• DC Current
• Resistance
• Audible Continuity
2. FEATURES
© Jack Sealey Limited
3. SPECIFICATION
Model No: ......................... MM18
Measures:
Voltage DC: ...................... 2V, 20V, 200V, 250V (±1.0%)
Voltage AC: ....................... 250V (±1.2%)
Current DC: ...................... 200mA (±1.2%)
Resistance: ....................... 2k Ω, 20k Ω, 200k Ω, 2000k Ω (±1.2%)
Continuity Audible: ............ Yes
Digits x Height: ................ 5 x 11mm
Batteries (Supplied): ......... 2 x 1.5V
Size (L x W x H): ............... 114 x 56 x 23mm
Weight: ............................. 101g
Conformity: ....................... EN 61010-1
Operation Environment:.... 0°C to 40°C
Relative Humidity:............. <75%
Storage Temperature: ....... -10°C to 50°C
Relative Humidity:............. <85%
1. Display
3½ digit LCD, with a max. reading of 1999.
2. Function
Used to select desired function.
3. Range Switch
Used to select desired range.
4. Test Probes
DC VOLTAGE
Range Resolution Accuracy
2V 0.001V
20V 0.01V
200V 0.1V ±(1.0% +5 digits)
250V 1V
Input Impedance: 1MΩ
Max. Allowable Input Voltage: 250V dc
AC VOLTAGE
Range Resolution Accuracy
200V 0.1V
250V 1V ±(1.2% +10 digits)
Input Impedance: About 500kΩ
Frequency Range: 40Hz to 400Hz
Max. Allowable Input Voltage: 250V ac rms
Response: Average, calibrated
in rms of sine wave
DC CURRENT
Range Resolution Accuracy
200mA 0.1mA ±(1.2% + 5 digits)
Overload Protection: 250mA/250V Fast fuse
RESISTANCE
Range Resolution Accuracy
2kΩ 0.001kΩ
20kΩ 0.01kΩ
200kΩ 0.1kΩ ±(1.2% +5 digits)
2000kΩ 1kΩ
Max Open Circuit Voltage: About 0.4V
Overload Protection: 250V DC/AC rms
Original Language Version MM18 Issue No:2(I)-09/09/14