Máy đo điện trở kíp (chống nổ dùng trong hầm mỏ) Agiltd 1681A (Explosive and Detonator Resistance Tester 1681A)

Máy đo điện trở kíp (chống nổ dùng trong hầm mỏ) Agiltd 1681A (Explosive and Detonator Resistance Tester 1681A)

Hãng sản xuất: Agiltd
Model: 1681A
Xuất xứ: Anh
Bảo hành: 12 tháng

Features
o Compact, light and robust
o Low maintenance
o Easy to operate
o Digital display
o Highly reliable
o Long battery life

SPECIFICATION

Model Ref: 1681A
Tester Body: Precision sand-cast aluminium alloy case with integral battery compartment.
Tester Weight: 2kg Excluding carrying case.
Tester Casing: Precision sand-cast aluminium case with integral battery compartment. Magnesium content less than 1%.
Tester Dimensions: 190 x 70mm (Front Panel).
Depth: 200mm excluding controls. 220mm including range switch.
Finish: Golden Yellow Semi Gloss Enamel BS381C Tint 356 stoved to DEF 1059.
Display: 3.5 digit LCD incorporating a battery condition annunciator. Character height; 12.7mm High Rel grade display with wide temperature range fluid.
Ranges: 
- 000.0 to 199.9m (resolution = 0.1m )*
- 0.000 to 1.999 (resolution = 0.001 )
- 00.00 to 19.99 (resolution = 0.01 )
- 000.0 to 199.9 (resolution = 0.1 )
- 0.000 to 1.999k (resolution = 1.0 )
- 00.00 to 19.99k (resolution = 10 )
Measurement Accuracy: 
- 0 to 200 ±1% of reading; ±1 digit
- 0 to 2k ±1.5% of reading; ±1 digit
- 0 to 20k ±2% of reading; ±3 digit
Zero Adjustment: Range covered 0 to 50m
Response Time: 3 seconds
Warm-up Time: Instantaneous
Measurement Frequency: 10Hz
Voltage Across Sample: 1mV at FSD
Max Test Voltage: 1V peak with Test Leads open circuit
Applied Test Currents: 
- 3.5mA rms on 000.0 to 199.9m range.
- 350µA rms on 0.000 to 1.999 range.
- 35µA rms on 00.00 to 19.99 range.
- 3.5µA rms on 000.0 to 199.9 range.
- 0.35µA rms on 0.000 to 1.999k range
- 0.035µA rms on 00.00 to 19.99k range
DPM Back-Lighting: L.E.D. (4 off), Red Operated by momentary action switch.
Power Requirement: Four AA size batteries, Manganese Alkaline, Duracell MN1500
Battery Life: 1 Year, non operational, 56 hours continuous at 20°C
Battery Protection: Series diode protects equipment against inadvertent attempts to fit the batteries incorrectly.
Battery State Check: Low battery condition annunciator incorporated in the LCD display indicates when approximately 90% of battery life is consumed.
Reliability: MTBF > 4000 hours (calculated), Source ref; MIL HDBK 217E Ground Mobile, Part stress analysis.
Test Leads Standard 1 metre cable (optional).
Calibration Period: 12 Months.
Operating Temp Range: -20˚C to +40˚C for intrinsic safety.
Storage Temp Range: -40˚C to +60˚C.
Desiccant: Sachet type with indicator. NSN 6850-99-341-5048. Replaced at calibration intervals.

ETCO.VN