产品名称Warner OC-725C 卵母细胞膜片钳

所属分类膜片钳数据采集系统

技术参数

OC-752C 卵母细胞双电极电压钳放大器是双电极电压钳记录的放大器，放大器常跟Heka 的LIH8+8 AD/DA 转换器和PatchMaster 记录分析软件配套使用。

产品描述

参数

产品概要

技术参数

OC-752C 卵母细胞双电极电压钳放大器是双电极电压钳记录的放大器，放大器常跟Heka 的LIH8+8 AD/DA 转换器和PatchMaster 记录分析软件配套使用。

详细参数

λ 具有两种电压钳制速度模式：慢模式（Slow mode）用于筛选卵母细胞或应用于不需要快速反应的情况。快模式（Fast mode）用于对快速的全细胞电流进行精确钳制，反应时间（10-90% 上升时间）为350μs/100 mV 步阶命令。
λ 具有浴电位测量及补偿功能。
λ 具有交流钳制增益与直流钳制增益，以保证快速、无饱和钳制性能。交流钳制增益达2,000，直流增益1x106。
λ 4.4 极Bessel 滤波。
λ 具有电极检测功能。

英文：

(OC-725D) Oocyte Voltage Clamp

Designed for Two-electrode whole-cell voltage clamping of Xenopus oocytes

• High compliance voltage (±180 V)
• Unique bath clamp circuitry
• Ideal for clamping large cells and cell structures
e.g. squid axons
• Extended current measuring range
• Decreased noise level and 4-pole Bessel filter
• Voltage and current electrode holders must be purchased separately

Test Condition #1	Model cell used to obtain specifications.
	Model membrane: 1 MΩ in parallel with 550 nF.
	Current and voltage electrodes: both 1 MΩ impedance.
Test Condition #2	Noise measurements made with an 8-pole Bessel filter.
Voltage Recording Channel (Vm)	V Probe Input Impedance	0.5 x 1012Ω, 1 pF
Voltage Recording Channel (Vm)	Output Resistance	100 Ω
	DC Offset	± 200 mV at input. Variations from zero with 10 turn control (20 mV/turn).
	Noise (0-10 kHz)	3 µV RMS with input grounded
	Noise (0-10 kHz)	20 µV RMS with model cell
	Electrode Test	10 mV/MΩ read on meter
	Electrode Test	100 mV/MΩ at Vm x10 output
	Meter Range	± 199.9 mV full scale
Current Sensing Channel (Bath Clamp) (Im)	Noise (0-1 kHz)	4.5 nA RMS with bath clamp
	Noise (0-1 kHz)	10 nA RMS in output leg
	I Monitor Output	1 nA/mV to 1 mA/10V in 7 steps and 3 ranges, x0.1, x1, and x10.
	Gain Telegraph Output	0.2 to 2.8 V in 8 steps (200 mV/step) and 3 ranges, x0.1, x1, and x10.
	Gain Telegraph Output	Compatible with data acquisition software
	Meter Range, full scale	Clamp Current: ± 199.9 µA
	Electrode Voltage (Ve)	± 199.9 mV; current meter reads Ve when clamp mode switch is off.
Current Electrode Channel	Compliance Voltage	± 180 V
Current Electrode Channel	Clamp Speed	550 µsec; (10-90%) with 100 mV square wave command applied to model cell
	Gain	Variable AC/DC: 0 to 2000
	Fixed DC Gain	Switch selected: 1 x 106
	Ve DC Offset	± 200 mV at input (20 mV/turn)
	Electrode Test	10 mV/MΩ read on current meter
	Electrode Test	100 mV/MΩ at Ve x10 output rear panel
Commands	Hold	Manually set with digital potentiometer, 2 digit resolution and 2 ranges:
		x10 range: 0 to ± 100 mV
		x20 range: 0 to ± 200 mV
	External	Signals applied to COMMAND IN÷10 are attenuated by a factor of 10,
	External	1 V applied = 100 mV command
Physical Dimensions	Case	8.9 cm x 43.2 cm x 30.5 cm (H x W x D)
Physical Dimensions	Voltage Headstage	12.5 mm D x 5 cm L with 1.8 m cable
	Mounting Handle	8.0 mm D x 6.3 cm L
	Bath Headstage	2.3 cm x 3.5 cm x 4.2 cm (H x W x D), with 1.8 m cable
Shipping Weight	6.0 kg
Warranty	One year, parts & labor
Power Requirements	Universal: 100-130 or 220-240 VAC, 50/60 Hz, 14 VA

地址：北京市西城区北三环中路甲29号

3号楼华龙大厦

电话：400-088-1922

传真：010-82559092

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