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testo 875-1: ��(bi��o)��V���R�^ 32° x 23

̽�y(c��)��160 x 120

2 GB SD ���Ƀ�(ch��)�����1500 ���D��

������10 cm��

testo 875-2: ��(bi��o)��V���R�^32° x 23

̽�y(c��)��160 x 120

2 GB SD ���Ƀ�(ch��)�����1500 ���D��

������10 cm

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ҕ��(ch��ng)��/��С�Ƕ� ��(bi��o)��(zh��n)�R�^:       32° x 23°/0.1 m (0.33 ft),��      �Htesto 875-2 (�x��):�L(zh��ng)���R�^: 9° x 7°/0.5 m (1.64 ft)

���`���� (NETD)��               < 0.08°C at 30 °C (86 °F)

���g�ֱ��� ��(bi��o)��(zh��n)�R�^:            3.3 mrad��     �L(zh��ng)���R�^: 1 mrad

���l ��                         9 Hz

�{(di��o)����                          �ք�(d��ng)�{(di��o)��

̽�y(c��)����ʽ��                    160 x 120 ����

���V������                       8 - 14 μm

�ˆDtesto875�ֳ֟����x�Ŀ�Ҋ(ji��n)��D���Ĕz (�Htesto 875-2)

ҕ��(ch��ng)��/��С���ࣺ                33° x 25°/0.4 m (1.31 ft)

̽�y(c��)�����أ�                     640 x 480 pixels

���l��                           8 to 15 Hz

�ˆDtesto875�ֳ֟����x�ĈD���@ʾ

�D���@ʾ��                       3.5" LCD �� 320 x 240 �����@ʾ

�@ʾ�x��                       testo 875-1:�t��D��

testo 875-2:                     ȫ�t��/ȫ��Ҋ(ji��n)��/���Ю�

ҕ�lݔ����                       USB 2.0