characteristic:

1. The graphite furnace adopts PID control to ensure high reproducibility of heating.

2. Fast heating rate: ≥ 2000 ℃/s, equipped with multiple safety testing measures: graphite

Furnace body temperature detection, gas pressure detection, graphite tube fracture or unclamped detection

Measurement and transformer temperature detection.
3. The graphite furnace automatic sampler has an injection accuracy better than 0.5%.
1. Large temperature control range: room temperature~3000 ℃;
Fast heating rate: ≥ 2000℃/s；
High temperature control accuracy: ≤ 1%
2. It has multiple heating control methods: slope, step, and power.
3. It has multiple safety detection measures:
Graphite furnace body temperature detection, cooling water pressure detection, inert gas pressure detection, graphite tube fracture or unclamped detection.
4. Heating control method: using voltage feedback and overshoot voltage control methods.
5. Adopt pneumatic graphite furnace switch method
6. Has excellent detection capability

Detection limit (cd): ≤ 0.5 pg
Precision (cd): ≤ 2%
Specification of GF-5000
1. Temperature range: Room temperature to 3000 ℃
2. Heating control method: voltage feedback control method, 12 steps, heating method: ramp/step heating
3. Heating parameter setting: Graphite furnace concentration enrichment cycle: 100 times internal and external protective gas (argon) flow rate: 0-1 liter/minute
4. Safety detection function: graphite furnace body temperature detection, cooling water pressure detection, inert gas pressure detection, graphite tube fracture or unclamped detection

5. Power requirements: AC220V ± 10%, 2000VA (average), 50Hz ± 1Hz
6. Size and weight: W400 × D530 × H415mm, 55kg
AS-100 specifications
1. Number of sample cups: 49 sample cups (1.5ml) and 3 reagent cups (5ml)
2. Injection volume: 1-50 μ L
3. Repeatability: ≤ 1%（5～80μL）