User's Manual
Extech Instruments
42 GX900-GX930-EN V1.1 5/14
SPECIFICATIONS
GENERALSPECIFICATIONS
Enclosure Double molded, waterproof
Shock (Drop Test) 6.5 feet (2 meters)
Diode Test Test current 0.9mA maximum, open circuit voltage 3.2V DC (typ.)
Continuity Check
Audible signal will sound if the resistance is less than 25 ohms
(approx.), test current <0.35mA
PEAK Captures peaks >1ms
Temperature Sensor Requires type K thermocouple
Input Impedance >10M ohms VDC; >9M ohms VAC
AC Response True RMS
ACV Bandwidth 50Hz to 100,000Hz
Crest Factor <3 at full scale up to 500V, decreasing linearly to <1.5 at 1000V
Display 50,000 count backlit liquid crystal display with bar-graph
Memory 2,500 memory locations
Over-range indication “OL” is displayed
Auto Power Off After 30 minutes of inactivity (approximately) with disable feature
Polarity Automatic (no indication for positive); Minus (-) sign for negative
Measurement Rate 20 times per second
Low Battery Battery icon displayed when battery drops below operating voltage
Fuses
FF 0.8A/1000V 6.3x32mm, (SIBA 7017240.0,8)
FF 10A/1000V 10x38mm, (SIBA 5019906.10)
Operating Temperature 41°F to 104°F (5°C to 40°C)
Operating Humidity
Max 80% up to 31°C (87°F) decreasing linearly to 50% at 104°F
(40°C)
Storage Temp/Humidity -4°F to 140°F (-20°C to 60°C); <80% RH
Operating Altitude 7000ft. (2000meters) max.
Safety
This meter protected by double insulation per EN61010-1 and
IEC61010-1 2nd Edition (2001) to Category IV 600V and
Category III 1000V; Pollution Degree 2. The meter also meets UL
61010-1, 2nd Edition (2004), CAN/CSA C22.2 No. 61010-1 2nd
Edition (2004), and UL 61010B -2-031, 1st Edition (2003)
Bluetooth specification
Version 2.0+EDR, Frequency range 2400 MHz…2483.5 MHz
(ISM-Band), Guard band 2 MHz < F < 3.5 MHz Modulation
method GFSK,1 Mbps,0.5 Gaussian; Receiving signal range -82
to -20 dBm Transmission power Minimum: -18dBm to +4 dBm
Built-in lithium
ANSI / NEDA- 5004LC,IEC-CR2032; Normal Voltage: 3.0 Volts;
Typical Capacity: 240 mAh ; Storage 5 Year Chemical type:
Lithium polymer, Standard: GB/T
Dimensions 9.25 x 4.25 x 2.5” (235 x 108 x 63.5mm)
Weight 1.85 lbs. (839g)